播种量和品种对紫花苜蓿分枝数和株高的影响

doi:10.11686/cyxb2016426

草业学报 ›› 2017, Vol. 26 ›› Issue (3): 183-190.DOI: 10.11686/cyxb2016426

播种量和品种对紫花苜蓿分枝数和株高的影响

王彦华^{1, 2}, 李德锋¹, 齐胜利¹, 王成章^1*, 高永革³, 郑春雷⁴, 李鹏飞²

1.河南农业大学牧医工程学院,河南郑州 450002；
2.河南省饲草饲料站,河南郑州 450008；
3.河南省畜牧局,河南郑州 450008；
4.河南省畜牧总站,河南郑州 450008

收稿日期:2016-11-14 修回日期:2016-12-14 出版日期:2017-03-20 发布日期:2017-03-20
通讯作者: *wangchengzhang@263.net
作者简介:王彦华(1980-),男,河南西平人,高级畜牧师,在读博士。E-mail:13676938371@163.com
基金资助:
公益性行业科研专项(201403048-6),国家星火计划项目(2015GA750003)和国家牧草产业技术体系建设专项基金(CARS-35-20)资助

Effects of seeding rate and variety on branch number and plant height of alfalfa

WANG Yan-Hua^{1, 2}, LI De-Feng¹, QI Sheng-Li¹, WANG Cheng-Zhang^{1, *}, GAO Yong-Ge³, ZHENG Chun-Lei⁴, LI Peng-Fei²

1.College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China;
2.Forage and Feed Station of Henan Province, Zhengzhou 450008, China;
3.Animal Husbandry Bureau of Henan Province, Zhengzhou 450008, China;
4.Animal Husbandry Station of Henan Province, Zhengzhou 450008, China

Received:2016-11-14 Revised:2016-12-14 Online:2017-03-20 Published:2017-03-20

摘要/Abstract

摘要： 采用裂区设计,以播量(15.0,22.5,30.0 kg/hm²)为主区,8个不同秋眠级紫花苜蓿品种为副区,研究其对植株分枝数和植株高度的影响,旨在为紫花苜蓿生产提供科学依据。结果表明,1)苜蓿的播种量不同对其1、2级分枝数均无显著差异,且不同品种之间分枝数差异也多不显著;从不同年度看,不同品种的1、2级分枝数均表现出2014年>2013年>2012年的变化趋势。2)不同品种间2级/1级分枝数比值,2012和2013年之间差异不显著,但绝大部分显著高于2014年。3)播种量对植株高度有一定影响,大部分品种的植株高度表现出30.0 kg/hm²<22.5 kg/hm²<15.0 kg/hm²的趋势。因此,适当减少紫花苜蓿播种量对1、2级分枝数没有影响,但提高了植株高度。

Abstract: In order to explore the effects of the seeding rate and alfalfa varieties on the branch number and plant height, we carried out a field experiment comprising a split plot design with 3 seeding rates (15.0, 22.5, 30.0 kg/ha) as the main plots and 8 alfalfa varieties with different fall dormant classes as subplots in 2012-2014 (Concept, WL-319HQ, Adrenalin, WL-343HQ, WL-363HQ, Icon, WL-525HQ, WL-903HQ). The results indicated: 1) Seeding rate had no significant effects on the primary and secondary branch number in alfalfa, and the primary and secondary branch number differences among varieties also were not significant. With increase in stand age, the primary and secondary branch number of all varieties increased (planted in 2012>2013>2014). 2) Average branch number of different varieties did not differ significantly between 2012 and 2013, but in both cases was higher than that of 2014-sown plants. 3) Seeding rate and stand age did influence plant height. With increase in seeding rate from 15.0 to 30.0 kg/ha, plant heights of most varieties were gradually decreased, but branch number was unchanged. Plant height was greater for 2013-sown plants, than for those sown in 2012 and in 2014.

王彦华, 李德锋, 齐胜利, 王成章, 高永革, 郑春雷, 李鹏飞. 播种量和品种对紫花苜蓿分枝数和株高的影响[J]. 草业学报, 2017, 26(3): 183-190.

WANG Yan-Hua, LI De-Feng, QI Sheng-Li, WANG Cheng-Zhang, GAO Yong-Ge, ZHENG Chun-Lei, LI Peng-Fei. Effects of seeding rate and variety on branch number and plant height of alfalfa[J]. Acta Prataculturae Sinica, 2017, 26(3): 183-190.

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播种量和品种对紫花苜蓿分枝数和株高的影响

Effects of seeding rate and variety on branch number and plant height of alfalfa

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