草业学报 ›› 2026, Vol. 35 ›› Issue (2): 143-154.DOI: 10.11686/cyxb2025110
周诗杰1(
), 王义莲1, 孙攀1, 尚静1,2, 杨文钰1,2, 王学贵1(
), 杨继芝1,2(
)
收稿日期:2025-03-27
修回日期:2025-04-21
出版日期:2026-02-20
发布日期:2025-12-24
通讯作者:
王学贵,杨继芝
作者简介:yangjz72@sicau.edu.cn基金资助:
Shi-jie ZHOU1(
), Yi-lian WANG1, Pan SUN1, Jing SHANG1,2, Wen-yu YANG1,2, Xue-gui WANG1(
), Ji-zhi YANG1,2(
)
Received:2025-03-27
Revised:2025-04-21
Online:2026-02-20
Published:2025-12-24
Contact:
Xue-gui WANG,Ji-zhi YANG
摘要:
为明确四川省玉米大豆带状复合种植田杂草发生规律,于2023-2024年采用倒置“W”9点取样法对四川省13市29个乡镇田间杂草进行了调查,计算各地区杂草相对优势度(relative abundance)以明确优势杂草,然后计算优势度指数(Berger Parker index)、丰富度指数(Margalef index)、香农指数(Shannon Wiener index)、辛普森指数(Simpson index)以分析群落特征,最后采用索雷申(Sorensen)群落相似性系数来衡量群落相似程度。结果表明:四川省玉米大豆带状复合种植田共有杂草40科,114种,其中优势杂草8种,区域性优势杂草11种,常见杂草27种,一般杂草68种。2024年,川西南地区杂草优势度指数最高,Berger Parker指数为5.84,Simpson指数、Shannon Wiener指数、Pielou指数均低于其他地区,优势杂草为马唐、空心莲子草、鸭跖草、羽叶蓼,相对优势度分别为25.92、18.11、13.48、10.00;川东地区杂草优势度仅次于川西南地区,优势杂草为稗草、马唐、空心莲子草,相对优势度分别为35.65、11.82、11.76;川西地区Simpson指数、Shannon Wiener指数、Pielou指数均高于其他地区,优势杂草为马唐、荩草、稗草、空心莲子草,相对优势度分别为33.46、33.41、7.61、6.68;川中地区优势杂草为马唐、荩草、打碗花、香附子,相对优势度分别为36.16、14.20、7.95、7.11。由索雷申群落相似性系数得出,不同地区杂草群落结构差异大,相似性指数均在0.5~0.6。因此,马唐、荩草、空心莲子草和稗草是四川玉米大豆带状复合种植不同区域的优势杂草,该研究结果为科学选择防控药剂提供了理论依据。
周诗杰, 王义莲, 孙攀, 尚静, 杨文钰, 王学贵, 杨继芝. 四川省玉米大豆带状复合种植田杂草发生种类及群落特征分析[J]. 草业学报, 2026, 35(2): 143-154.
Shi-jie ZHOU, Yi-lian WANG, Pan SUN, Jing SHANG, Wen-yu YANG, Xue-gui WANG, Ji-zhi YANG. Analysis of weed species and community characteristics in soybean-maize fields with a banded compound planting pattern in Sichuan Province[J]. Acta Prataculturae Sinica, 2026, 35(2): 143-154.
区域 Region | 调查位置 Investigation location | 经纬度 Longitude&latitude | 土壤类型 Soil type | 除草方式 Weeding method | 年平均降水量 Annual average precipitation (mm) | 年平均温度Annual average temperature (℃) |
|---|---|---|---|---|---|---|
川东地区 Eastern Sichuan region | 达州市渠县中滩镇Zhongtan Town, Qu County, Dazhou City | 106°54'33.448" E, 30°48'6.502" N | 黄壤土、棕壤土Yellow soil, brown soil | 人工除草Manual weeding | 1068.5 | 16.2 |
| 达州市宣汉县桃花镇Taohua Town, Xuanhan County, Dazhou City | 107°57'22.320" E, 31°28'53.108" N | 人工除草Manual weeding | 1230.2 | 16.8 | ||
| 广元市剑阁县公兴镇Gongxing Town, Jiange County, Guangyuan City | 105°30'1.231" E, 32°10'22.494" N | 化学除草Chemical weeding | 1039.4 | 15.4 | ||
| 广元市旺苍县高阳镇Gaoyang Town, Wangcang County, Guangyuan City | 106°13'25.475" E, 32°17'54.712" N | 人工除草Manual weeding | 1136.1 | 16.1 | ||
| 巴中市平昌县邱家镇Qiujia Town, Pingchang County, Bazhong City | 107°19'46.128" E, 31°37'30.828" N | 人工除草Manual weeding | 1371.1 | 16.1 | ||
| 巴中市通江县龙凤场镇Longfengchang Town, Tongjiang County, Bazhong City | 107°34'20.460" E, 32°1'13.660" N | 人工除草Manual weeding | 1279.8 | 16.6 | ||
| 巴中市南江县正直镇Zhengzhi Town, Nanjiang County, Bazhong City | 106°36'0.025" E, 31°58'16.882" N | 人工除草Manual weeding | 1263.7 | 16.7 | ||
川中地区 Central Sichuan region | 自贡市荣县乐德镇Lede Town, Rong County, Zigong City | 104°24'10.876" E, 29°20'46.820" N | 熟化紫泥土、熟化黄泥土Mature purple soil, matured yellow soil | 人工除草Manual weeding | 771.5 | 19.1 |
| 自贡市富顺县春光村Chunguang Village, Fushun County, Zigong City | 104°56'25.969" E, 29°13'34.112" N | 人工除草Manual weeding | 942.3 | 18.2 | ||
| 遂宁市安居区白马镇Baima Town, Anju District, Suining City | 105°21'57.334" E, 30°23'43.109" N | 化学除草Chemical weeding | 907.3 | 18.4 | ||
| 遂宁市东岳镇观龙村Guanlong Village, Dongyue Town, Suining City | 105°21'59.890" E, 30°59'25.271" N | 人工除草Manual weeding | 873.2 | 18.3 | ||
| 遂宁市大英县象山镇Xiangshan Town, Daying County, Suining City | 105°11'58.704" E, 30°40'43.497" N | 人工除草Manual weeding | 946.5 | 18.6 | ||
| 内江市东兴区田家镇Tianjia Town, Dongxing District, Neijiang City | 105°11'51.306" E, 29°41'46.040" N | 人工除草Manual weeding | 927.2 | 17.2 | ||
| 内江市资中县公民镇Gongmin Town, Zizhong County, Neijiang City | 104°51'49.975" E, 29°39'11.672" N | 人工除草Manual weeding | 977.6 | 17.4 | ||
川西地区 Western Sichuan region | 雅安市芦山县杨头村Yangtou Village, Lushan County, Ya'an City | 102°50'20.530" E, 29°45'48.759" N | 黄壤土、棕壤土 Yellow soil, brown soil | 化学除草Chemical weeding | 1276.7 | 15.9 |
| 雅安市雨城区碧峰峡镇Bifengxia Town, Yucheng District, Ya'an City | 102°53'48.494" E, 30°9'3.416" N | 化学除草Chemical weeding | 1800.3 | 16.1 | ||
| 眉山市仁寿县朱嘉镇Zhujia Town, Renshou County, Meishan City | 104°12'48.492" E, 30°3'49.075" N | 人工除草Manual weeding | 1009.4 | 17.4 | ||
| 眉山市洪雅县莲花坝Lianhua Dam, Hongya County, Meishan City | 103°17'57.919" E, 29°51'28.764" N | 化学除草Chemical weeding | 1435.5 | 16.6 | ||
| 眉山市青神县桥楼村Qiaolou Village, Qingshen County, Meishan City | 103°49'2.680" E, 29°53'11.490" N | 人工除草Manual weeding | 1132.1 | 17.1 | ||
| 绵阳市盐亭县岐伯镇Qibo Town, Yanting County, Mianyang City | 105°20'28.147" E, 31°19'19.218" N | 化学除草Chemical weeding | 859.7 | 17.0 | ||
| 绵阳市平武县古城镇Gucheng Town, Pingwu County, Mianyang City | 104°41'16.303" E, 32°20'34.735" N | 人工除草Manual weeding | 866.5 | 14.7 | ||
| 绵阳市三台县西平镇Xiping Town, Santai County, Mianyang City | 104°55'57.590" E, 31°3'36.058" N | 化学除草Chemical weeding | 959.4 | 16.7 | ||
川西南地区 Southwestern Sichuan region | 泸州市叙永县后山镇Houshan Town, Xuyong County, Luzhou City | 105°29'1.363" E, 27°59'59.309" N | 红壤土、山地褐土、棕壤土Red soil, mountainous cinnamon soil, brown soil | 化学除草Chemical weeding | 1172.6 | 17.9 |
| 泸州市古蔺县双沙镇Shuangsha Town, Gulin County, Luzhou City | 105°49'13.501" E, 27°50'18.604" N | 人工除草Manual weeding | 1035.3 | 17.9 | ||
| 宜宾市南溪区长兴镇Changxing Town, Nanxi District, Yibin City | 105°1'30.889" E, 28°55'36.289" N | 人工除草Manual weeding | 1072.7 | 18.7 | ||
| 宜宾市筠连县蒿坝镇Haoba Town, Junlian County, Yibin City | 104°34'26.130" E, 27°55'32.452" N | 化学除草Chemical weeding | 1070.1 | 17.8 | ||
| 乐山市井研县千佛镇Qianfo Town, Jingyan County, Leshan City | 104°2'34.206" E, 29°35'51.871" N | 人工除草Manual weeding | 1025.8 | 17.2 | ||
| 乐山市沙湾区福禄镇Fulu Town, Shawan District, Leshan City | 103°39'45.203" E, 29°17'55.536" N | 化学除草Chemical weeding | 1023.1 | 17.3 | ||
| 乐山市犍为县孝姑镇Xiaogu Town, Jianwei County, Leshan City | 104°2'18.141" E, 29°7'24.205" N | 人工除草Manual weeding | 1141.3 | 17.5 |
表1 杂草调查地基本信息
Table 1 Weed survey location information
区域 Region | 调查位置 Investigation location | 经纬度 Longitude&latitude | 土壤类型 Soil type | 除草方式 Weeding method | 年平均降水量 Annual average precipitation (mm) | 年平均温度Annual average temperature (℃) |
|---|---|---|---|---|---|---|
川东地区 Eastern Sichuan region | 达州市渠县中滩镇Zhongtan Town, Qu County, Dazhou City | 106°54'33.448" E, 30°48'6.502" N | 黄壤土、棕壤土Yellow soil, brown soil | 人工除草Manual weeding | 1068.5 | 16.2 |
| 达州市宣汉县桃花镇Taohua Town, Xuanhan County, Dazhou City | 107°57'22.320" E, 31°28'53.108" N | 人工除草Manual weeding | 1230.2 | 16.8 | ||
| 广元市剑阁县公兴镇Gongxing Town, Jiange County, Guangyuan City | 105°30'1.231" E, 32°10'22.494" N | 化学除草Chemical weeding | 1039.4 | 15.4 | ||
| 广元市旺苍县高阳镇Gaoyang Town, Wangcang County, Guangyuan City | 106°13'25.475" E, 32°17'54.712" N | 人工除草Manual weeding | 1136.1 | 16.1 | ||
| 巴中市平昌县邱家镇Qiujia Town, Pingchang County, Bazhong City | 107°19'46.128" E, 31°37'30.828" N | 人工除草Manual weeding | 1371.1 | 16.1 | ||
| 巴中市通江县龙凤场镇Longfengchang Town, Tongjiang County, Bazhong City | 107°34'20.460" E, 32°1'13.660" N | 人工除草Manual weeding | 1279.8 | 16.6 | ||
| 巴中市南江县正直镇Zhengzhi Town, Nanjiang County, Bazhong City | 106°36'0.025" E, 31°58'16.882" N | 人工除草Manual weeding | 1263.7 | 16.7 | ||
川中地区 Central Sichuan region | 自贡市荣县乐德镇Lede Town, Rong County, Zigong City | 104°24'10.876" E, 29°20'46.820" N | 熟化紫泥土、熟化黄泥土Mature purple soil, matured yellow soil | 人工除草Manual weeding | 771.5 | 19.1 |
| 自贡市富顺县春光村Chunguang Village, Fushun County, Zigong City | 104°56'25.969" E, 29°13'34.112" N | 人工除草Manual weeding | 942.3 | 18.2 | ||
| 遂宁市安居区白马镇Baima Town, Anju District, Suining City | 105°21'57.334" E, 30°23'43.109" N | 化学除草Chemical weeding | 907.3 | 18.4 | ||
| 遂宁市东岳镇观龙村Guanlong Village, Dongyue Town, Suining City | 105°21'59.890" E, 30°59'25.271" N | 人工除草Manual weeding | 873.2 | 18.3 | ||
| 遂宁市大英县象山镇Xiangshan Town, Daying County, Suining City | 105°11'58.704" E, 30°40'43.497" N | 人工除草Manual weeding | 946.5 | 18.6 | ||
| 内江市东兴区田家镇Tianjia Town, Dongxing District, Neijiang City | 105°11'51.306" E, 29°41'46.040" N | 人工除草Manual weeding | 927.2 | 17.2 | ||
| 内江市资中县公民镇Gongmin Town, Zizhong County, Neijiang City | 104°51'49.975" E, 29°39'11.672" N | 人工除草Manual weeding | 977.6 | 17.4 | ||
川西地区 Western Sichuan region | 雅安市芦山县杨头村Yangtou Village, Lushan County, Ya'an City | 102°50'20.530" E, 29°45'48.759" N | 黄壤土、棕壤土 Yellow soil, brown soil | 化学除草Chemical weeding | 1276.7 | 15.9 |
| 雅安市雨城区碧峰峡镇Bifengxia Town, Yucheng District, Ya'an City | 102°53'48.494" E, 30°9'3.416" N | 化学除草Chemical weeding | 1800.3 | 16.1 | ||
| 眉山市仁寿县朱嘉镇Zhujia Town, Renshou County, Meishan City | 104°12'48.492" E, 30°3'49.075" N | 人工除草Manual weeding | 1009.4 | 17.4 | ||
| 眉山市洪雅县莲花坝Lianhua Dam, Hongya County, Meishan City | 103°17'57.919" E, 29°51'28.764" N | 化学除草Chemical weeding | 1435.5 | 16.6 | ||
| 眉山市青神县桥楼村Qiaolou Village, Qingshen County, Meishan City | 103°49'2.680" E, 29°53'11.490" N | 人工除草Manual weeding | 1132.1 | 17.1 | ||
| 绵阳市盐亭县岐伯镇Qibo Town, Yanting County, Mianyang City | 105°20'28.147" E, 31°19'19.218" N | 化学除草Chemical weeding | 859.7 | 17.0 | ||
| 绵阳市平武县古城镇Gucheng Town, Pingwu County, Mianyang City | 104°41'16.303" E, 32°20'34.735" N | 人工除草Manual weeding | 866.5 | 14.7 | ||
| 绵阳市三台县西平镇Xiping Town, Santai County, Mianyang City | 104°55'57.590" E, 31°3'36.058" N | 化学除草Chemical weeding | 959.4 | 16.7 | ||
川西南地区 Southwestern Sichuan region | 泸州市叙永县后山镇Houshan Town, Xuyong County, Luzhou City | 105°29'1.363" E, 27°59'59.309" N | 红壤土、山地褐土、棕壤土Red soil, mountainous cinnamon soil, brown soil | 化学除草Chemical weeding | 1172.6 | 17.9 |
| 泸州市古蔺县双沙镇Shuangsha Town, Gulin County, Luzhou City | 105°49'13.501" E, 27°50'18.604" N | 人工除草Manual weeding | 1035.3 | 17.9 | ||
| 宜宾市南溪区长兴镇Changxing Town, Nanxi District, Yibin City | 105°1'30.889" E, 28°55'36.289" N | 人工除草Manual weeding | 1072.7 | 18.7 | ||
| 宜宾市筠连县蒿坝镇Haoba Town, Junlian County, Yibin City | 104°34'26.130" E, 27°55'32.452" N | 化学除草Chemical weeding | 1070.1 | 17.8 | ||
| 乐山市井研县千佛镇Qianfo Town, Jingyan County, Leshan City | 104°2'34.206" E, 29°35'51.871" N | 人工除草Manual weeding | 1025.8 | 17.2 | ||
| 乐山市沙湾区福禄镇Fulu Town, Shawan District, Leshan City | 103°39'45.203" E, 29°17'55.536" N | 化学除草Chemical weeding | 1023.1 | 17.3 | ||
| 乐山市犍为县孝姑镇Xiaogu Town, Jianwei County, Leshan City | 104°2'18.141" E, 29°7'24.205" N | 人工除草Manual weeding | 1141.3 | 17.5 |
科名 Family | 杂草 Weed | 种数Number of species | 占所有种数的比例Percentage of total species (%) |
|---|---|---|---|
| 菊科Asteraceae | 滇苦菜Picris divaricata、马兰Aster indicus、鼠麴Pseudognaphalium affine、翅果菊Lactuca indica、刺儿菜Cirsium arvense var. integrifolium、中华苦荬菜Ixeris polycephala、鬼针草Bidens pilosa、藿香蓟Ageratum conyzoides、羊蹄草Emilia sonchifolia、艾草Artemisia argyi、苦苣菜Sonchus oleraceus、鳢肠Eclipta prostrata、苍耳Xanthium strumarium、白花鬼针草Bidens alba、鱼眼草Dichrocephala integrifolia、粗毛牛膝菊Galinsoga quadriradiata、豨莶Sigesbeckia orientalis、异叶黄鹌菜Youngia heterophylla、野茼蒿Crassocephalum crepidioides、钻叶紫菀Symphyotrichum subulatum、苏门白酒草Erigeron sumatrensis、黄花蒿Artemisia annua | 22 | 19.30 |
| 禾本科Gramineae | 马唐D. sanguinalis、狗尾草S. viridis、狗牙根Cynodon dactylon、茅草Imperata cylindrica、稗草E. crus-galli、自生麦苗Cyperus iria、牛筋草Eleusine indica、荩草Arthraxon hispidus、竹叶草Oplismenus compositus | 9 | 7.89 |
| 蓼科Polygonaceae | 酸模叶蓼Persicaria lapathifolia、长鬃蓼Persicaria longiseta、杠板归Persicaria perfoliata、水蓼Persicaria hydropiper、春蓼Persicaria maculosa、羽叶蓼Persicaria runcinata、荞麦Fagopyrum esculentum | 7 | 6.14 |
| 大戟科Euphorbiaceae | 苦味叶下珠Phyllanthus amarus、地锦草E.uphorbia humifusa、泽漆Euphorbia helioscopia、千金子Leptochloa chinensis、铁苋菜A. australis、裂苞铁苋菜Acalypha supera | 6 | 5.26 |
| 玄参科Scrophulariaceae | 公母草Lindernia oblonega、阿拉伯婆婆纳Veronica persica、通泉草Mazus japonicus、蓝花猪耳Torenia fournieri、婆婆纳Veronica polita、蚊母草Veronica peregrina | 6 | 5.26 |
| 苋科Amaranthaceae | 反枝苋Amaranthus retroflexus、绿穗苋Amaranthus hybridus、空心莲子草Alternanthera philoxeroides、凹头苋Amaranthus blitum 、苋Amaranthus tricolor | 5 | 4.39 |
| 唇形科Lamiaceae | 益母草Leonurus japonicus、辣薄荷Mentha piperita、紫苏Perilla frutescens、藿香Agastache rugosa、白绒草Leucas mollisima | 5 | 4.39 |
| 鸭跖草科Commelinaceae | 饭包草Commelina benghalensis、白花紫露草Tradescantia fluminensis、鸭跖草C. communis、裸花水竹叶Murdannianudiflora | 4 | 3.51 |
| 十字花科Brassicaceae | 荠菜Capsella bursa-pastoris、自生油菜Brassica rapa、弯曲碎米荠Cardamine flexuosa、野油菜Rorippa indica | 4 | 3.51 |
| 豆科Fabaceae | 钝叶决明Senna obtusifolia、小巢菜Vicia hirsuta、扁豆Lablab purpureus、截叶铁扫帚Lespedeza cuneata | 4 | 3.51 |
| 莎草科Cyperaceae | 香附子Cyperus rotundus、短叶水蜈蚣Kyllinga brevifolia、碎米莎草Cyperus iria | 3 | 2.63 |
| 茄科Solanaceae | 灯笼草Clinopodium polycephalum、苦蘵Physalis angulata、龙葵Solanum nigrum | 3 | 2.63 |
| 天南星科Araceae | 犁头尖Typhonium divaricatum、天南星Arisaema heterophyllum、半夏Pinellia ternata | 3 | 2.63 |
| 旋花科Convolvulaceae | 打碗花Calystegia hederacea、旋花Calystegia sepium | 2 | 1.75 |
| 荨麻科Urticaceae | 雾水葛Pouzolzia zeylanica、糯米团Gonostegia hirta | 2 | 1.75 |
| 石竹科Caryophyllaceae | 繁缕Stellaria media、球序卷耳Cerastium glomeratum | 2 | 1.75 |
| 伞形科Apiaceae | 水芹Oenanthe javanica、天胡荽Hydrocotyle sibthorpioides | 2 | 1.75 |
| 牻牛儿苗科Geraniaceae | 老鹳草Geranium wilfordii、野老鹳草Geranium carolinianum | 2 | 1.75 |
| 马齿苋科Portulacaceae | 马齿苋Portulaca oleracea、树马齿苋Portulacaria afra | 2 | 1.75 |
| 蔷薇科Rosaceae | 覆盆子Rubus idaeus | 1 | 0.88 |
| 葡萄科Vitaceae | 乌敛梅Causonis japonica | 1 | 0.88 |
| 母草科Linderniaceae | 泥花草Lindernia antipoda | 1 | 0.88 |
| 毛茛科Ranunculaceae | 毛茛Ranunculus japonicus | 1 | 0.88 |
| 木贼科Equisetaceae | 问荆Equisetum arvense | 1 | 0.88 |
| 马桑科Coriariaceae | 马桑Coriaria nepalensis | 1 | 0.88 |
| 酢浆草科Oxalis | 黄花酢浆草Oxalis pes-caprae | 1 | 0.88 |
| 落葵科Basellaceae | 落葵薯Anredera cordifolia | 1 | 0.88 |
| 柳叶菜科Onagraceae | 细花丁香蓼Ludwigia perennis | 1 | 0.88 |
| 栗米草科Molluginaceae | 栗米草Trigastrotheca stricta | 1 | 0.88 |
| 藜科Chenopodiaceae | 藜Chenopodium album | 1 | 0.88 |
| 兰科Orchidaceae | 石斛荽Centipeda minima | 1 | 0.88 |
| 爵床科Acanthaceae | 爵床Justicia procumbens | 1 | 0.88 |
| 景天科Crassulaceae | 垂盆草Sedum sarmentosum | 1 | 0.88 |
| 锦葵科Malvaceae | 苘麻Abutilon theophrasti | 1 | 0.88 |
| 堇菜科Violaceae | 七星莲Viola diffusa | 1 | 0.88 |
| 葫芦科Cucurbitaceae | 赤爮Thladiantha henryi | 1 | 0.88 |
| 凤尾蕨科Pteridaceae | 蜈蚣凤尾蕨Pteris vittata | 1 | 0.88 |
| 大麻科Cannabaceae | 葎草Humulus scandens | 1 | 0.88 |
| 车前科Plantaginaceae | 车前草Plantago asiatica | 1 | 0.88 |
| 阿福花科Asphodelaceae | 黄花菜Hemerocallis citrina | 1 | 0.88 |
表2 四川省玉米大豆带状复合田杂草种类
Table 2 Weed species in soybean-corn banded compound planting pattern fields in Sichuan Province
科名 Family | 杂草 Weed | 种数Number of species | 占所有种数的比例Percentage of total species (%) |
|---|---|---|---|
| 菊科Asteraceae | 滇苦菜Picris divaricata、马兰Aster indicus、鼠麴Pseudognaphalium affine、翅果菊Lactuca indica、刺儿菜Cirsium arvense var. integrifolium、中华苦荬菜Ixeris polycephala、鬼针草Bidens pilosa、藿香蓟Ageratum conyzoides、羊蹄草Emilia sonchifolia、艾草Artemisia argyi、苦苣菜Sonchus oleraceus、鳢肠Eclipta prostrata、苍耳Xanthium strumarium、白花鬼针草Bidens alba、鱼眼草Dichrocephala integrifolia、粗毛牛膝菊Galinsoga quadriradiata、豨莶Sigesbeckia orientalis、异叶黄鹌菜Youngia heterophylla、野茼蒿Crassocephalum crepidioides、钻叶紫菀Symphyotrichum subulatum、苏门白酒草Erigeron sumatrensis、黄花蒿Artemisia annua | 22 | 19.30 |
| 禾本科Gramineae | 马唐D. sanguinalis、狗尾草S. viridis、狗牙根Cynodon dactylon、茅草Imperata cylindrica、稗草E. crus-galli、自生麦苗Cyperus iria、牛筋草Eleusine indica、荩草Arthraxon hispidus、竹叶草Oplismenus compositus | 9 | 7.89 |
| 蓼科Polygonaceae | 酸模叶蓼Persicaria lapathifolia、长鬃蓼Persicaria longiseta、杠板归Persicaria perfoliata、水蓼Persicaria hydropiper、春蓼Persicaria maculosa、羽叶蓼Persicaria runcinata、荞麦Fagopyrum esculentum | 7 | 6.14 |
| 大戟科Euphorbiaceae | 苦味叶下珠Phyllanthus amarus、地锦草E.uphorbia humifusa、泽漆Euphorbia helioscopia、千金子Leptochloa chinensis、铁苋菜A. australis、裂苞铁苋菜Acalypha supera | 6 | 5.26 |
| 玄参科Scrophulariaceae | 公母草Lindernia oblonega、阿拉伯婆婆纳Veronica persica、通泉草Mazus japonicus、蓝花猪耳Torenia fournieri、婆婆纳Veronica polita、蚊母草Veronica peregrina | 6 | 5.26 |
| 苋科Amaranthaceae | 反枝苋Amaranthus retroflexus、绿穗苋Amaranthus hybridus、空心莲子草Alternanthera philoxeroides、凹头苋Amaranthus blitum 、苋Amaranthus tricolor | 5 | 4.39 |
| 唇形科Lamiaceae | 益母草Leonurus japonicus、辣薄荷Mentha piperita、紫苏Perilla frutescens、藿香Agastache rugosa、白绒草Leucas mollisima | 5 | 4.39 |
| 鸭跖草科Commelinaceae | 饭包草Commelina benghalensis、白花紫露草Tradescantia fluminensis、鸭跖草C. communis、裸花水竹叶Murdannianudiflora | 4 | 3.51 |
| 十字花科Brassicaceae | 荠菜Capsella bursa-pastoris、自生油菜Brassica rapa、弯曲碎米荠Cardamine flexuosa、野油菜Rorippa indica | 4 | 3.51 |
| 豆科Fabaceae | 钝叶决明Senna obtusifolia、小巢菜Vicia hirsuta、扁豆Lablab purpureus、截叶铁扫帚Lespedeza cuneata | 4 | 3.51 |
| 莎草科Cyperaceae | 香附子Cyperus rotundus、短叶水蜈蚣Kyllinga brevifolia、碎米莎草Cyperus iria | 3 | 2.63 |
| 茄科Solanaceae | 灯笼草Clinopodium polycephalum、苦蘵Physalis angulata、龙葵Solanum nigrum | 3 | 2.63 |
| 天南星科Araceae | 犁头尖Typhonium divaricatum、天南星Arisaema heterophyllum、半夏Pinellia ternata | 3 | 2.63 |
| 旋花科Convolvulaceae | 打碗花Calystegia hederacea、旋花Calystegia sepium | 2 | 1.75 |
| 荨麻科Urticaceae | 雾水葛Pouzolzia zeylanica、糯米团Gonostegia hirta | 2 | 1.75 |
| 石竹科Caryophyllaceae | 繁缕Stellaria media、球序卷耳Cerastium glomeratum | 2 | 1.75 |
| 伞形科Apiaceae | 水芹Oenanthe javanica、天胡荽Hydrocotyle sibthorpioides | 2 | 1.75 |
| 牻牛儿苗科Geraniaceae | 老鹳草Geranium wilfordii、野老鹳草Geranium carolinianum | 2 | 1.75 |
| 马齿苋科Portulacaceae | 马齿苋Portulaca oleracea、树马齿苋Portulacaria afra | 2 | 1.75 |
| 蔷薇科Rosaceae | 覆盆子Rubus idaeus | 1 | 0.88 |
| 葡萄科Vitaceae | 乌敛梅Causonis japonica | 1 | 0.88 |
| 母草科Linderniaceae | 泥花草Lindernia antipoda | 1 | 0.88 |
| 毛茛科Ranunculaceae | 毛茛Ranunculus japonicus | 1 | 0.88 |
| 木贼科Equisetaceae | 问荆Equisetum arvense | 1 | 0.88 |
| 马桑科Coriariaceae | 马桑Coriaria nepalensis | 1 | 0.88 |
| 酢浆草科Oxalis | 黄花酢浆草Oxalis pes-caprae | 1 | 0.88 |
| 落葵科Basellaceae | 落葵薯Anredera cordifolia | 1 | 0.88 |
| 柳叶菜科Onagraceae | 细花丁香蓼Ludwigia perennis | 1 | 0.88 |
| 栗米草科Molluginaceae | 栗米草Trigastrotheca stricta | 1 | 0.88 |
| 藜科Chenopodiaceae | 藜Chenopodium album | 1 | 0.88 |
| 兰科Orchidaceae | 石斛荽Centipeda minima | 1 | 0.88 |
| 爵床科Acanthaceae | 爵床Justicia procumbens | 1 | 0.88 |
| 景天科Crassulaceae | 垂盆草Sedum sarmentosum | 1 | 0.88 |
| 锦葵科Malvaceae | 苘麻Abutilon theophrasti | 1 | 0.88 |
| 堇菜科Violaceae | 七星莲Viola diffusa | 1 | 0.88 |
| 葫芦科Cucurbitaceae | 赤爮Thladiantha henryi | 1 | 0.88 |
| 凤尾蕨科Pteridaceae | 蜈蚣凤尾蕨Pteris vittata | 1 | 0.88 |
| 大麻科Cannabaceae | 葎草Humulus scandens | 1 | 0.88 |
| 车前科Plantaginaceae | 车前草Plantago asiatica | 1 | 0.88 |
| 阿福花科Asphodelaceae | 黄花菜Hemerocallis citrina | 1 | 0.88 |
杂草种类 Weed species | 相对优势度Relative dominance | 综合优势度 Overall dominance | |||
|---|---|---|---|---|---|
川东地区 Eastern Sichuan region | 川中地区 Central Sichuan region | 川西地区 Western Sichuan region | 川西南地区 Southwestern Sichuan region | ||
| 马唐D. sanguinalis | 17.35 | 0.98 | 11.06 | 32.82 | 15.55 |
| 荩草A. hispidus | 0.00 | 0.00 | 31.32 | 30.63 | 15.49 |
| 空心莲子草A. philoxeroides | 19.58 | 21.01 | 9.67 | 9.73 | 15.00 |
| 香附子C. rotundus | 15.27 | 15.48 | 4.68 | 0.00 | 8.86 |
| 稗草E. crus-galli | 24.76 | 0.00 | 2.08 | 2.81 | 7.41 |
| 狗尾草S. viridis | 6.86 | 6.92 | 0.00 | 9.35 | 5.78 |
| 千金子L. chinensis | 0.00 | 10.14 | 4.13 | 2.14 | 4.10 |
| 节节草E. ramosissimum | 0.64 | 12.44 | 2.76 | 0.00 | 3.96 |
| 苦味叶下珠P. amarus | 5.69 | 0.00 | 5.47 | 4.28 | 3.86 |
| 铁苋菜A. australis | 4.27 | 4.37 | 5.73 | 0.55 | 3.73 |
| 地锦草E. humifusa | 0.00 | 0.00 | 14.44 | 0.00 | 3.61 |
| 鸭跖草C. communis | 2.66 | 8.64 | 0.00 | 1.98 | 3.32 |
| 艾草A. argyi | 0.00 | 9.32 | 0.00 | 1.53 | 2.71 |
| 黄花酢浆草O. pes-caprae | 1.53 | 2.13 | 5.30 | 1.55 | 2.63 |
| 鬼针草B. pilosa | 0.00 | 7.73 | 0.00 | 0.97 | 2.18 |
| 白花紫露草T. fluminensis | 0.00 | 0.00 | 0.00 | 8.05 | 2.01 |
| 雾水葛P. zeylanica | 0.00 | 0.00 | 7.81 | 0.00 | 1.95 |
| 饭包草C. benghalensis | 6.08 | 0.00 | 0.52 | 0.00 | 1.65 |
| 白花鬼针草B. alba | 0.00 | 0.00 | 0.00 | 5.51 | 1.38 |
| 苍耳X. strumarium | 1.24 | 4.24 | 0.00 | 0.00 | 1.37 |
| 细花丁香蓼L. perennis | 0.00 | 0.00 | 0.00 | 4.87 | 1.22 |
| 打碗花C. hederacea | 2.28 | 0.00 | 1.48 | 0.48 | 1.06 |
| 鳢肠E. prostrata | 0.59 | 2.31 | 0.00 | 1.10 | 1.00 |
| 阿拉伯婆婆纳V. persica | 0.00 | 0.00 | 3.89 | 0.00 | 0.97 |
| 牛筋草E. indica | 3.06 | 0.00 | 0.49 | 0.00 | 0.89 |
| 异叶黄鹌菜Y. heterophylla | 0.97 | 0.00 | 2.35 | 0.00 | 0.83 |
| 钻叶紫菀S. subulatum | 2.28 | 0.00 | 0.00 | 0.00 | 0.57 |
| 扁豆L. purpureus | 0.00 | 0.00 | 2.27 | 0.00 | 0.57 |
| 白绒草L. mollisima | 0.00 | 0.00 | 0.00 | 2.13 | 0.53 |
| 苦苣菜S. oleraceus | 0.00 | 0.00 | 2.05 | 0.00 | 0.51 |
表3 2023年四川省玉米大豆带状复合田主要杂草的优势度
Table 3 The dominance in soybean-corn banded compound planting pattern fields in Sichuan Province in 2023
杂草种类 Weed species | 相对优势度Relative dominance | 综合优势度 Overall dominance | |||
|---|---|---|---|---|---|
川东地区 Eastern Sichuan region | 川中地区 Central Sichuan region | 川西地区 Western Sichuan region | 川西南地区 Southwestern Sichuan region | ||
| 马唐D. sanguinalis | 17.35 | 0.98 | 11.06 | 32.82 | 15.55 |
| 荩草A. hispidus | 0.00 | 0.00 | 31.32 | 30.63 | 15.49 |
| 空心莲子草A. philoxeroides | 19.58 | 21.01 | 9.67 | 9.73 | 15.00 |
| 香附子C. rotundus | 15.27 | 15.48 | 4.68 | 0.00 | 8.86 |
| 稗草E. crus-galli | 24.76 | 0.00 | 2.08 | 2.81 | 7.41 |
| 狗尾草S. viridis | 6.86 | 6.92 | 0.00 | 9.35 | 5.78 |
| 千金子L. chinensis | 0.00 | 10.14 | 4.13 | 2.14 | 4.10 |
| 节节草E. ramosissimum | 0.64 | 12.44 | 2.76 | 0.00 | 3.96 |
| 苦味叶下珠P. amarus | 5.69 | 0.00 | 5.47 | 4.28 | 3.86 |
| 铁苋菜A. australis | 4.27 | 4.37 | 5.73 | 0.55 | 3.73 |
| 地锦草E. humifusa | 0.00 | 0.00 | 14.44 | 0.00 | 3.61 |
| 鸭跖草C. communis | 2.66 | 8.64 | 0.00 | 1.98 | 3.32 |
| 艾草A. argyi | 0.00 | 9.32 | 0.00 | 1.53 | 2.71 |
| 黄花酢浆草O. pes-caprae | 1.53 | 2.13 | 5.30 | 1.55 | 2.63 |
| 鬼针草B. pilosa | 0.00 | 7.73 | 0.00 | 0.97 | 2.18 |
| 白花紫露草T. fluminensis | 0.00 | 0.00 | 0.00 | 8.05 | 2.01 |
| 雾水葛P. zeylanica | 0.00 | 0.00 | 7.81 | 0.00 | 1.95 |
| 饭包草C. benghalensis | 6.08 | 0.00 | 0.52 | 0.00 | 1.65 |
| 白花鬼针草B. alba | 0.00 | 0.00 | 0.00 | 5.51 | 1.38 |
| 苍耳X. strumarium | 1.24 | 4.24 | 0.00 | 0.00 | 1.37 |
| 细花丁香蓼L. perennis | 0.00 | 0.00 | 0.00 | 4.87 | 1.22 |
| 打碗花C. hederacea | 2.28 | 0.00 | 1.48 | 0.48 | 1.06 |
| 鳢肠E. prostrata | 0.59 | 2.31 | 0.00 | 1.10 | 1.00 |
| 阿拉伯婆婆纳V. persica | 0.00 | 0.00 | 3.89 | 0.00 | 0.97 |
| 牛筋草E. indica | 3.06 | 0.00 | 0.49 | 0.00 | 0.89 |
| 异叶黄鹌菜Y. heterophylla | 0.97 | 0.00 | 2.35 | 0.00 | 0.83 |
| 钻叶紫菀S. subulatum | 2.28 | 0.00 | 0.00 | 0.00 | 0.57 |
| 扁豆L. purpureus | 0.00 | 0.00 | 2.27 | 0.00 | 0.57 |
| 白绒草L. mollisima | 0.00 | 0.00 | 0.00 | 2.13 | 0.53 |
| 苦苣菜S. oleraceus | 0.00 | 0.00 | 2.05 | 0.00 | 0.51 |
杂草种类 Weed species | 相对优势度Relative dominance | 综合优势度 Overall dominance | |||
|---|---|---|---|---|---|
川东地区 Eastern Sichuan region | 川中地区 Central Sichuan region | 川西地区 Western Sichuan region | 川西南地区 Southwestern Sichuan region | ||
| 马唐D. sanguinalis | 11.82 | 36.16 | 33.46 | 25.92 | 26.84 |
| 荩草A. hispidus | 0.88 | 14.20 | 33.41 | 0.29 | 12.20 |
| 稗草E. crus-galli | 35.65 | 2.55 | 7.61 | 0.00 | 11.45 |
| 空心莲子草A. philoxeroides | 11.76 | 2.90 | 6.68 | 18.11 | 9.86 |
| 雾水葛P. zeylanica | 5.53 | 5.16 | 5.60 | 7.09 | 5.85 |
| 饭包草C. benghalensis | 7.89 | 6.60 | 0.81 | 6.08 | 5.35 |
| 狗尾草S. viridis | 7.06 | 3.88 | 4.47 | 4.12 | 4.88 |
| 牛筋草E. indica | 5.68 | 4.32 | 6.51 | 2.25 | 4.69 |
| 香附子C. rotundus | 3.23 | 7.11 | 3.71 | 2.46 | 4.13 |
| 弯曲碎米荠C. flexuosa | 0.00 | 2.14 | 3.25 | 9.32 | 3.68 |
| 鸭跖草C. communis | 0.78 | 0.00 | 0.00 | 13.48 | 3.57 |
| 铁苋菜A. australis | 5.75 | 1.17 | 2.66 | 4.41 | 3.50 |
| 打碗花C. hederacea | 1.34 | 7.95 | 2.08 | 2.17 | 3.39 |
| 羽叶蓼P. runcinata | 0.37 | 0.00 | 0.58 | 10.00 | 2.74 |
| 苦味叶下珠P. amarus | 2.45 | 2.44 | 5.25 | 0.39 | 2.63 |
| 地锦草E. humifusa | 0.50 | 2.00 | 5.60 | 0.00 | 2.03 |
| 公母草L. oblonega | 0.22 | 2.44 | 5.26 | 0.00 | 1.98 |
| 碎米莎草C. iria | 2.42 | 0.00 | 2.12 | 2.43 | 1.74 |
| 自生麦苗T. aestivum | 4.86 | 0.00 | 1.99 | 0.00 | 1.71 |
| 问荆E. arvense | 1.59 | 1.42 | 2.25 | 1.52 | 1.70 |
| 粗毛牛膝菊G. quadriradiata | 0.00 | 0.00 | 0.83 | 5.48 | 1.58 |
| 异叶黄鹌菜Y. heterophylla | 1.60 | 3.34 | 0.00 | 1.24 | 1.55 |
| 藜C. album | 0.00 | 0.00 | 5.06 | 1.09 | 1.54 |
| 马兰A. indicus | 1.14 | 1.44 | 0.00 | 3.52 | 1.53 |
| 鳢肠E. prostrata | 0.53 | 0.23 | 4.04 | 1.18 | 1.50 |
| 通泉草M. pumilus | 0.27 | 0.49 | 0.00 | 4.74 | 1.38 |
| 黄花酢浆草O. pes-caprae | 0.78 | 2.04 | 0.40 | 1.60 | 1.21 |
| 苘麻A. theophrasti | 4.68 | 0.00 | 0.00 | 0.00 | 1.17 |
| 龙葵S. nigrum | 1.58 | 1.59 | 0.67 | 0.38 | 1.06 |
| 糯米团G. hirta | 0.00 | 0.00 | 0.00 | 4.11 | 1.03 |
| 藿香蓟A. conyzoides | 0.00 | 1.19 | 0.00 | 2.84 | 1.01 |
| 野油菜R. indica | 3.08 | 0.45 | 0.19 | 0.19 | 0.98 |
| 益母草L. japonicus | 3.09 | 0.00 | 0.00 | 0.00 | 0.77 |
| 藿香A. rugosa | 0.00 | 2.79 | 0.00 | 0.00 | 0.70 |
| 蓝花猪耳T. fournieri | 0.00 | 0.00 | 0.00 | 2.78 | 0.70 |
| 繁缕S. media | 0.88 | 0.00 | 0.00 | 1.85 | 0.68 |
| 马齿苋P. oleracea | 0.00 | 0.25 | 1.44 | 0.90 | 0.65 |
| 裂苞铁苋菜A. supera | 0.00 | 0.00 | 0.00 | 2.57 | 0.64 |
| 豨莶S. orientalis | 0.00 | 0.00 | 0.00 | 2.19 | 0.55 |
| 反枝苋A. retroflexus | 0.91 | 0.17 | 1.04 | 0.00 | 0.53 |
| 犁头尖T. divaricatum | 0.54 | 0.00 | 0.00 | 1.51 | 0.51 |
表4 2024年四川省玉米大豆带状复合田主要杂草的优势度
Table 4 The dominance in soybean-corn banded compound planting pattern fields in Sichuan Province in 2024
杂草种类 Weed species | 相对优势度Relative dominance | 综合优势度 Overall dominance | |||
|---|---|---|---|---|---|
川东地区 Eastern Sichuan region | 川中地区 Central Sichuan region | 川西地区 Western Sichuan region | 川西南地区 Southwestern Sichuan region | ||
| 马唐D. sanguinalis | 11.82 | 36.16 | 33.46 | 25.92 | 26.84 |
| 荩草A. hispidus | 0.88 | 14.20 | 33.41 | 0.29 | 12.20 |
| 稗草E. crus-galli | 35.65 | 2.55 | 7.61 | 0.00 | 11.45 |
| 空心莲子草A. philoxeroides | 11.76 | 2.90 | 6.68 | 18.11 | 9.86 |
| 雾水葛P. zeylanica | 5.53 | 5.16 | 5.60 | 7.09 | 5.85 |
| 饭包草C. benghalensis | 7.89 | 6.60 | 0.81 | 6.08 | 5.35 |
| 狗尾草S. viridis | 7.06 | 3.88 | 4.47 | 4.12 | 4.88 |
| 牛筋草E. indica | 5.68 | 4.32 | 6.51 | 2.25 | 4.69 |
| 香附子C. rotundus | 3.23 | 7.11 | 3.71 | 2.46 | 4.13 |
| 弯曲碎米荠C. flexuosa | 0.00 | 2.14 | 3.25 | 9.32 | 3.68 |
| 鸭跖草C. communis | 0.78 | 0.00 | 0.00 | 13.48 | 3.57 |
| 铁苋菜A. australis | 5.75 | 1.17 | 2.66 | 4.41 | 3.50 |
| 打碗花C. hederacea | 1.34 | 7.95 | 2.08 | 2.17 | 3.39 |
| 羽叶蓼P. runcinata | 0.37 | 0.00 | 0.58 | 10.00 | 2.74 |
| 苦味叶下珠P. amarus | 2.45 | 2.44 | 5.25 | 0.39 | 2.63 |
| 地锦草E. humifusa | 0.50 | 2.00 | 5.60 | 0.00 | 2.03 |
| 公母草L. oblonega | 0.22 | 2.44 | 5.26 | 0.00 | 1.98 |
| 碎米莎草C. iria | 2.42 | 0.00 | 2.12 | 2.43 | 1.74 |
| 自生麦苗T. aestivum | 4.86 | 0.00 | 1.99 | 0.00 | 1.71 |
| 问荆E. arvense | 1.59 | 1.42 | 2.25 | 1.52 | 1.70 |
| 粗毛牛膝菊G. quadriradiata | 0.00 | 0.00 | 0.83 | 5.48 | 1.58 |
| 异叶黄鹌菜Y. heterophylla | 1.60 | 3.34 | 0.00 | 1.24 | 1.55 |
| 藜C. album | 0.00 | 0.00 | 5.06 | 1.09 | 1.54 |
| 马兰A. indicus | 1.14 | 1.44 | 0.00 | 3.52 | 1.53 |
| 鳢肠E. prostrata | 0.53 | 0.23 | 4.04 | 1.18 | 1.50 |
| 通泉草M. pumilus | 0.27 | 0.49 | 0.00 | 4.74 | 1.38 |
| 黄花酢浆草O. pes-caprae | 0.78 | 2.04 | 0.40 | 1.60 | 1.21 |
| 苘麻A. theophrasti | 4.68 | 0.00 | 0.00 | 0.00 | 1.17 |
| 龙葵S. nigrum | 1.58 | 1.59 | 0.67 | 0.38 | 1.06 |
| 糯米团G. hirta | 0.00 | 0.00 | 0.00 | 4.11 | 1.03 |
| 藿香蓟A. conyzoides | 0.00 | 1.19 | 0.00 | 2.84 | 1.01 |
| 野油菜R. indica | 3.08 | 0.45 | 0.19 | 0.19 | 0.98 |
| 益母草L. japonicus | 3.09 | 0.00 | 0.00 | 0.00 | 0.77 |
| 藿香A. rugosa | 0.00 | 2.79 | 0.00 | 0.00 | 0.70 |
| 蓝花猪耳T. fournieri | 0.00 | 0.00 | 0.00 | 2.78 | 0.70 |
| 繁缕S. media | 0.88 | 0.00 | 0.00 | 1.85 | 0.68 |
| 马齿苋P. oleracea | 0.00 | 0.25 | 1.44 | 0.90 | 0.65 |
| 裂苞铁苋菜A. supera | 0.00 | 0.00 | 0.00 | 2.57 | 0.64 |
| 豨莶S. orientalis | 0.00 | 0.00 | 0.00 | 2.19 | 0.55 |
| 反枝苋A. retroflexus | 0.91 | 0.17 | 1.04 | 0.00 | 0.53 |
| 犁头尖T. divaricatum | 0.54 | 0.00 | 0.00 | 1.51 | 0.51 |
年份 Year | 区域 Region | 优势度指数 Berger Parker index (d) | 丰富度指数 Margalef index (dMa) | 辛普森指数 Simpson index (D) | 香农指数 Shannon Wiener index (He ) | 均匀度指数 Pielou index (Je ) |
|---|---|---|---|---|---|---|
| 2024 | 川东地区Eastern Sichuan region | 3.96 | 3.92 | 0.11 | 0.39 | 0.11 |
| 川中地区Central Sichuan region | 2.79 | 3.28 | 0.16 | 0.43 | 0.13 | |
| 川西地区Western Sichuan region | 2.37 | 3.74 | 0.25 | 0.54 | 0.15 | |
| 川西南地区Southwestern Sichuan region | 5.84 | 3.54 | 0.08 | 0.35 | 0.09 | |
| 2023 | 川东地区Eastern Sichuan region | 4.77 | 3.75 | 0.14 | 0.50 | 0.14 |
| 川中地区Central Sichuan region | 3.24 | 2.16 | 0.17 | 0.54 | 0.20 | |
| 川西地区Western Sichuan region | 2.84 | 3.23 | 0.23 | 0.57 | 0.17 | |
| 川西南地区Southwestern Sichuan region | 2.45 | 2.30 | 0.31 | 0.63 | 0.20 |
表5 2023-2024年四川省不同地区玉米大豆复合田杂草群落的物种多样性
Table 5 Species diversity of weed communities in soybean-corn banded compound planting pattern fields in Sichuan Province from 2023 to 2024
年份 Year | 区域 Region | 优势度指数 Berger Parker index (d) | 丰富度指数 Margalef index (dMa) | 辛普森指数 Simpson index (D) | 香农指数 Shannon Wiener index (He ) | 均匀度指数 Pielou index (Je ) |
|---|---|---|---|---|---|---|
| 2024 | 川东地区Eastern Sichuan region | 3.96 | 3.92 | 0.11 | 0.39 | 0.11 |
| 川中地区Central Sichuan region | 2.79 | 3.28 | 0.16 | 0.43 | 0.13 | |
| 川西地区Western Sichuan region | 2.37 | 3.74 | 0.25 | 0.54 | 0.15 | |
| 川西南地区Southwestern Sichuan region | 5.84 | 3.54 | 0.08 | 0.35 | 0.09 | |
| 2023 | 川东地区Eastern Sichuan region | 4.77 | 3.75 | 0.14 | 0.50 | 0.14 |
| 川中地区Central Sichuan region | 3.24 | 2.16 | 0.17 | 0.54 | 0.20 | |
| 川西地区Western Sichuan region | 2.84 | 3.23 | 0.23 | 0.57 | 0.17 | |
| 川西南地区Southwestern Sichuan region | 2.45 | 2.30 | 0.31 | 0.63 | 0.20 |
区域 Region | 群落A杂草种数 Weed species number of community A (a) | 群落B杂草种数 Weed species number of community B (b) | 群落A+B共有杂草种数Weed species number of community A & B (j) | 索雷申相似性系数Sorensen similarity coefficient (CS ) |
|---|---|---|---|---|
| 川东地区与川中地区Eastern and Central Sichuan region | 55 | 45 | 29 | 0.58 |
| 川东地区与川西地区Eastern and Western Sichuan region | 55 | 34 | 23 | 0.52 |
| 川东地区与川西南地区Eastern and Southwest Sichuan region | 55 | 64 | 34 | 0.57 |
| 川中地区与川西地区Central and Western Sichuan region | 45 | 34 | 23 | 0.58 |
| 川中地区与川西南地区Central and Southwest Sichuan region | 45 | 64 | 29 | 0.53 |
| 川西地区与川西南地区Western and Southwest Sichuan region | 34 | 64 | 26 | 0.53 |
表6 2024年四川省不同地区玉米大豆复合田杂草群落的相似性
Table 6 The similarity of weed communities in soybean-corn banded compound planting pattern fields in different regions of Sichuan Province in 2024
区域 Region | 群落A杂草种数 Weed species number of community A (a) | 群落B杂草种数 Weed species number of community B (b) | 群落A+B共有杂草种数Weed species number of community A & B (j) | 索雷申相似性系数Sorensen similarity coefficient (CS ) |
|---|---|---|---|---|
| 川东地区与川中地区Eastern and Central Sichuan region | 55 | 45 | 29 | 0.58 |
| 川东地区与川西地区Eastern and Western Sichuan region | 55 | 34 | 23 | 0.52 |
| 川东地区与川西南地区Eastern and Southwest Sichuan region | 55 | 64 | 34 | 0.57 |
| 川中地区与川西地区Central and Western Sichuan region | 45 | 34 | 23 | 0.58 |
| 川中地区与川西南地区Central and Southwest Sichuan region | 45 | 64 | 29 | 0.53 |
| 川西地区与川西南地区Western and Southwest Sichuan region | 34 | 64 | 26 | 0.53 |
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