15个苦荬菜新品种(系)在川西南地区农艺性状综合评价

doi:10.11686/cyxb2015146

草业学报 ›› 2016, Vol. 25 ›› Issue (2): 37-46.DOI: 10.11686/cyxb2015146

15个苦荬菜新品种(系)在川西南地区农艺性状综合评价

班骞¹, 黄琳凯¹, 张新全^1*, 蒋林峰²

1.四川农业大学动物科技学院草业科学系,四川雅安625014;
2.重庆市垫江县畜牧生产站,重庆垫江 408300

收稿日期:2015-03-17 出版日期:2016-02-20 发布日期:2016-02-20
通讯作者: E-mail: zhangxq@sicau.edu.cn
作者简介:班骞(1990-),男,贵州贵阳人,在读硕士。E-mail:devilanson@126.com
基金资助:
国家现代牧草产业技术体系(CARS-35-05)和国家科技支撑计划项目(2011BAD17B03)资助

Agronomic traits of 15 annual Ixeris polycephala varieties in the southwest of Sichuan Province

BAN Qian¹, HUANG Lin-Kai¹, ZHANG Xin-Quan^1,*, JIANG Lin-Feng²

1. Department of Grassland Science, Sichuan Agricultural University, Ya’an 625014, China;
2. Department of Livestock Production Station, Dianjiang, Chongqing, Dianjiang 408300, China

Received:2015-03-17 Online:2016-02-20 Published:2016-02-20

摘要/Abstract

摘要： 通过田间试验,对15个苦荬菜品种(系)在川西南地区进行农艺性状综合评价。结果表明,1)新品系川选1号和L5-4生育期相对较长,与对照品种龙牧差异极显著(P<0.01),属于晚熟品系。 2)产草量以新品系川选1号产量最高,在刈割第2茬产量有明显优势,且刈割后再生性好。新品系川选1号在2013-2014两年平均干草产量达5585 kg/hm²,比对照增产64.75%,差异极显著(P<0.01)。 3)茎叶比方面,L5-4叶片含量最高,茎叶比0.52,川选1号次之,茎叶比0.55。 4)营养成分方面,川选1号粗蛋白达26.12%,粗纤维12.11%,营养价值高。综合分析,新品系川选1号和L5-4产草量高,叶量丰富,适合在川西南地区种植推广。

Abstract: Agronomic traits of 15 Ixeris polycephala varieties were studied in field trials in Ya’an, in the southwest of Sichuan Province. The growth periods of new lines Chuanxuan No.1 and L5-4 were longer than Longmu (P<0.01). In the two years 2013 and 2014, the yields of new line Chuanxuan No.1 were the highest, with a notable yield advantage at the second defoliation and regeneration. The average hay yield of the new line Chuanxuan No.1 was 5585 kg/ha, a 64.75% (P<0.01) increase, compared with Longmu. With respect to stem∶leaf ratio, the highest leaf content was found in the new line L5-4, and the second ranked was new line Chuanxuan No.1; the stem∶leaf ratios were 0.52 and 0.55, respectively. In terms of nutrients, the new line Chuanxuan No.1 had abundant minerals and high nutritional value, the crude protein was 26.12%, while crude fiber was 12.11%. Thus, the new lines Chuanxuan No.1 and L5-4 with high yields and leaves of high feeding value were suitable for recommendation for planting in the southwest of Sichuan Province.

班骞, 黄琳凯, 张新全, 蒋林峰. 15个苦荬菜新品种(系)在川西南地区农艺性状综合评价[J]. 草业学报, 2016, 25(2): 37-46.

BAN Qian, HUANG Lin-Kai, ZHANG Xin-Quan, JIANG Lin-Feng. Agronomic traits of 15 annual Ixeris polycephala varieties in the southwest of Sichuan Province[J]. Acta Prataculturae Sinica, 2016, 25(2): 37-46.

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15个苦荬菜新品种(系)在川西南地区农艺性状综合评价

Agronomic traits of 15 annual Ixeris polycephala varieties in the southwest of Sichuan Province

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