摘要
对油研５号制种中，其母本植株上不同角粒数角果诸性状研究表明：角粒数的多少与角果大小有关，角果各组成部分重对角粒重起着重要作用。随着角粒数的增加，角果的结籽率、形成种子粒数、角粒重、生产力、经济系数、总角果壳重、角果生物产量、对产量的贡献率呈现有规律的递增，千粒重和角果百分率呈现有规律的递减。不同角粒数角果百分率中，萝卜角占有效角的比例为２／５，对产量的贡献率约为１／１０。除千粒重外，其他性状都是正常角优于萝卜角。
The characters of pod with different seed number in sterile line of hybrid rape Youyan 5 were studied.The results showed as follows.The seed number per pod was related to the pod size,and the seed weight per pod were effected by each components of pod.With the seed number per pod increasing,the bearing percentage of pod,seed /cm 2,seed weight per pod,yielding capacity(mg/cm 2),economic coefficient,total shell weight per pod,biological yield per pod and the rate of contribution to yield increased regularly,but 1000 grain weight and percentage of pod reduced regularly.The Proportion of radish like pod to effective pod number was about 2/5,the rate of contribution to yield was about 1/10.Except to 1000 grain weight,all characters for normal pods were superior to that of radish like pod
出处
《贵州农业科学》
CAS
1998年第3期11-16,共6页
Guizhou Agricultural Sciences
关键词
角粒数
产量
角果性状
油菜
制种
油研5号
seed number per pod
pod character
correlation
percentage of pod
rate of contribution to yield
