草业学报 ›› 2022, Vol. 31 ›› Issue (5): 76-83.DOI: 10.11686/cyxb2021099
刘春增1(), 郑春风1(), 聂良鹏2, 张琳2, 张济世1, 吕玉虎2, 李本银1, 曹卫东3()
收稿日期:
2021-03-16
修回日期:
2021-05-12
出版日期:
2022-05-20
发布日期:
2022-03-30
通讯作者:
曹卫东
作者简介:
Corresponding author. E-mail: caoweidong@caas.cn基金资助:
Chun-zeng LIU1(), Chun-feng ZHENG1(), Liang-peng NIE2, Lin ZHANG2, Ji-shi ZHANG1, Yu-hu LV2, Ben-yin LI1, Wei-dong CAO3()
Received:
2021-03-16
Revised:
2021-05-12
Online:
2022-05-20
Published:
2022-03-30
Contact:
Wei-dong CAO
摘要:
以“信紫1号”为供试材料,清水为对照,通过花期和成熟期对紫云英主茎不同花序位的花序结实性状测定,研究紫云英现蕾期叶面分别喷施多效唑(PP333)、6-苄氨基腺嘌呤(6-BA)、芸苔素内酯(BR)、海藻酸钠寡糖(AOS)、复合营养制剂(NCD)对紫云英籽粒数和籽粒重的调控效应,以期为提高紫云英种子产量和应用调控技术提供参考。结果表明:与对照相比,不同喷素处理均能提高紫云英不同花序位结荚率和荚果结实率,增加紫云英不同花序位的籽粒数和籽粒重。各喷素处理对紫云英各花序位籽粒数的促进效果以NCD处理最佳,其中,基、中、顶部花序位籽粒数较对照分别提高27.79%、29.35%、71.25%;对不同花序位籽粒重的促进效果也以NCD处理最佳,其中,基、中、顶部花序位籽粒重较对照分别提高27.18%、28.65%、71.05%。分析产量构成发现,现蕾期喷施NCD、PP333、BR、6-BA、AOS处理种子产量均显著高于对照,较对照分别提高29.73%、22.02%、19.02%、10.52%、10.01%,以NCD处理产量最高,达601.37 kg·hm-2。其中,PP333、6-BA处理增粒效果显著,而对籽粒增重效果不明显;BR、AOS处理籽粒增重效果显著,而对增粒效果不明显;NCD处理增粒增重效果均显著。综上,在现蕾期叶面喷素可显著促进紫云英种子产量的增加,以NCD作用效果最优,PP333、BR、6-BA、AOS依次次之。
刘春增, 郑春风, 聂良鹏, 张琳, 张济世, 吕玉虎, 李本银, 曹卫东. 现蕾期叶面喷素对紫云英籽粒数和籽粒重的影响[J]. 草业学报, 2022, 31(5): 76-83.
Chun-zeng LIU, Chun-feng ZHENG, Liang-peng NIE, Lin ZHANG, Ji-shi ZHANG, Yu-hu LV, Ben-yin LI, Wei-dong CAO. Effects of foliar spray with various bioactive compounds on seed number and seed weight of Chinese milk vetch (Astragalus sinicus)[J]. Acta Prataculturae Sinica, 2022, 31(5): 76-83.
处理 Treatment | 花数Flower numbers (No.) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 21.11c | 20.32c | 17.53c |
PP333 | 25.41a | 22.96a | 21.33a |
6-BA | 23.35b | 21.93b | 19.26b |
BR | 25.25a | 22.73a | 21.21a |
AOS | 23.08b | 21.55b | 19.07b |
NCD | 25.96a | 23.07a | 21.96a |
表1 不同喷素处理对紫云英不同花序位花数的影响
Table 1 The effect of different spraying treatments on flower numbers in different florescences of Chinese milk vetch
处理 Treatment | 花数Flower numbers (No.) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 21.11c | 20.32c | 17.53c |
PP333 | 25.41a | 22.96a | 21.33a |
6-BA | 23.35b | 21.93b | 19.26b |
BR | 25.25a | 22.73a | 21.21a |
AOS | 23.08b | 21.55b | 19.07b |
NCD | 25.96a | 23.07a | 21.96a |
处理 Treatment | 结荚数Pod numbers (No.) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 12.11d | 8.22c | 3.05d |
PP333 | 15.90ab | 10.95a | 4.83b |
6-BA | 13.16c | 9.62b | 3.75c |
BR | 15.77b | 11.05a | 4.88b |
AOS | 13.01c | 9.47b | 3.54c |
NCD | 16.18a | 11.25a | 5.04a |
表2 不同喷素处理对紫云英不同花序位结荚数的影响
Table 2 The effect of different spraying treatments on pod numbers in different florescences of Chinese milk vetch
处理 Treatment | 结荚数Pod numbers (No.) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 12.11d | 8.22c | 3.05d |
PP333 | 15.90ab | 10.95a | 4.83b |
6-BA | 13.16c | 9.62b | 3.75c |
BR | 15.77b | 11.05a | 4.88b |
AOS | 13.01c | 9.47b | 3.54c |
NCD | 16.18a | 11.25a | 5.04a |
图1 紫云英主茎枝上不同花序位的结荚率、结实率PP333:多效唑;6-BA:6-苄氨基腺嘌呤;BR:芸苔素内酯;AOS:海藻酸钠寡糖;NCD:复合营养制剂;同一花序位不同小写字母表示不同处理间差异显著(P<0.05)。下同。PP333: Paclobutrazol; 6-BA: 6-benzylaminopurine; BR: Brassinolide; AOS: Alginate oligosaccharides; NCD: Compound; Different lowercase letters in the same inflorescence indicate significant differences among different treatments (P<0.05). The same below.
Fig.1 Pod and seed set rates in inflorescence at basal, central and apical position of the main branch of Chinese milk vetch
处理 Treatment | 籽粒数Seed numbers (No.) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 62.70c | 40.81b | 15.10c |
PP333 | 76.72ab | 50.18a | 25.86a |
6-BA | 70.15b | 45.25ab | 20.54b |
BR | 67.54bc | 43.14ab | 17.08bc |
AOS | 63.24c | 41.55b | 15.91c |
NCD | 80.13a | 52.79a | 24.99a |
表3 不同喷素处理对紫云英不同花序位籽粒数的影响
Table 3 The effect of different spraying treatments on seed numbers in different florescences of Chinese milk vetch
处理 Treatment | 籽粒数Seed numbers (No.) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 62.70c | 40.81b | 15.10c |
PP333 | 76.72ab | 50.18a | 25.86a |
6-BA | 70.15b | 45.25ab | 20.54b |
BR | 67.54bc | 43.14ab | 17.08bc |
AOS | 63.24c | 41.55b | 15.91c |
NCD | 80.13a | 52.79a | 24.99a |
处理 Treatment | 粒重Seed weight (g) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 0.309b | 0.171c | 0.038c |
PP333 | 0.332ab | 0.180bc | 0.044bc |
6-BA | 0.313b | 0.175bc | 0.042bc |
BR | 0.386a | 0.201ab | 0.062a |
AOS | 0.370a | 0.196b | 0.050b |
NCD | 0.393a | 0.220a | 0.065a |
表4 不同喷素处理对紫云英不同花序位粒重的影响
Table 4 The effect of different spraying treatments on seed weight in different florescences of Chinese milk vetch
处理 Treatment | 粒重Seed weight (g) | ||
---|---|---|---|
基部Basal | 中部Central | 顶部Apical | |
CK | 0.309b | 0.171c | 0.038c |
PP333 | 0.332ab | 0.180bc | 0.044bc |
6-BA | 0.313b | 0.175bc | 0.042bc |
BR | 0.386a | 0.201ab | 0.062a |
AOS | 0.370a | 0.196b | 0.050b |
NCD | 0.393a | 0.220a | 0.065a |
处理 Treatment | 荚数 Pod number (×104·hm-2) | 单荚籽粒数 Seed number per pod (No.) | 千粒重 1000-seed weight (g) | 产量 Seed yield (kg·hm-2) |
---|---|---|---|---|
CK | 4768.50c | 3.16c | 2.47c | 463.55d |
PP333 | 4875.95a | 4.08a | 2.69bc | 565.62b |
6-BA | 4809.87b | 3.84b | 2.60bc | 512.31c |
BR | 4869.20a | 3.38bc | 3.23a | 551.72b |
AOS | 4800.21b | 3.30bc | 2.99b | 509.97c |
NCD | 4884.34a | 4.11a | 3.28a | 601.37a |
表5 喷素对紫云英产量及其构成的影响
Table 5 The effect of foliar spray on seed yields and yield components of Chinese milk vetch
处理 Treatment | 荚数 Pod number (×104·hm-2) | 单荚籽粒数 Seed number per pod (No.) | 千粒重 1000-seed weight (g) | 产量 Seed yield (kg·hm-2) |
---|---|---|---|---|
CK | 4768.50c | 3.16c | 2.47c | 463.55d |
PP333 | 4875.95a | 4.08a | 2.69bc | 565.62b |
6-BA | 4809.87b | 3.84b | 2.60bc | 512.31c |
BR | 4869.20a | 3.38bc | 3.23a | 551.72b |
AOS | 4800.21b | 3.30bc | 2.99b | 509.97c |
NCD | 4884.34a | 4.11a | 3.28a | 601.37a |
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