收割时期对双低油菜生长和饲草产量的影响  

Effects of Harvesting Periods on Growth and Forage Yield of Double Low Rape

作　　者：徐爱玲 李孟良 XU Ailing;LI Mengliang(College of Resources and Environment,Anhui Science and Technology University,Fengyang 233100,China;Agricultural and Rural Bureau of Dingyuan County,Dingyuan 233200,China)

机构地区：[1]安徽科技学院资源与环境学院,安徽凤阳233100 [2]定远县农业农村局,安徽定远233200

出　　处：《安徽科技学院学报》2021年第6期54-58,共5页Journal of Anhui Science and Technology University

基　　金：安徽省油菜棉花产业技术体系项目(AHCYTX-04)。

摘　　要：目的:研究不同收割时期对双低油菜生长和饲草产量的影响,以期获得最高经济效益。方法:采用单因素随机区组田间试验,研究比较5个不同收割时期(3月8日、3月15日、3月29日、4月5日、4月12日)双低油菜秦优7号的生长性状和产量性状。结果:不同收割时期的根颈粗、无效分枝数的差异达到显著水平,株高、有效分枝起点、有效分枝数、一次分枝数、二次分枝数、顶生分枝花序长度、顶生分枝花序有效角果数、顶生分枝花序结角密度、鲜草产量、每角粒数、小区干草重、全株有效角果数、千粒重、小区籽粒重的差异达到极显著水平。结论:3月29日收割双低油菜,菜籽产量和饲草产量都比较高,综合经济效益最好。Objective: To study the effects of harvesting periods on the growth and forage yield of double-low rapeseed, select the appropriate harvesting period to harvest the best rapeseed yield and forage yield, and get the highest economic benefits. Methods: A single-factor randomized block field experiment was used to study and compare the growth and yield traits of Qinyou 7 harvested in five different periods(March 8, March 15, March 29, April 5 and April 12). Results: The diameter of root neck and the number of invalid branches were significantly different at different harvesting stages. Plant high starting point, effective branches and effective branch number, the first branch number, number of second branch, inflorescence apical branches effective length, inflorescence apical branches and effective pod numbers, inflorescence apical branches knot Angle density, grass yield, pod seed number, dry weight, whole plant effective pod Numbers per spike, and kernel weight difference reached significant level. Conclusion: The rapeseed yield and forage yield were high when the rapeseed yield and forage yield were harvested on March 29, and the comprehensive economic benefit was the best.

关 键 词：双低油菜 收割时期 饲草产量 菜籽产量 经济效益 

分 类 号：S548[农业科学—作物学]