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Position: Home > Articles > Effects of different seeding dates on ratio of root,stem and branch,flower bud and pod to single plant fresh weight of Youyan No.9 and correlation with yields Journal of Mountain Agriculture and Biology 2004,23 (4) 3-7

播期对油研九号根、茎枝等的影响及其与产量的相关性

作者：

赵继献;任廷波;陈长艳

单位：

贵州省油料科学研究所

关键词：

油研九号;播期;根重比例;茎枝比例;蕾花角果比例

摘要：

对油研九号播期生长中心定期取样考种结果的研究表明,不同播期对油研九号不同时期根鲜重比例的平均值、蕾花角果鲜重比例的平均值间均无显著影响,对不同时期茎枝所占比例的平均值有显著影响,不同播期不同时期的茎枝所占比例的平均值与播期间呈一元二次抛物线关系,不同时期茎枝所占比例、蕾花角果所占比例均各与其生育进程中的时间呈y=b0+b1x+b2x2b3x3的数学关系。不同时期的根、茎枝、蕾花角果鲜重比例与产量间的相关及其显著性是不同的。

译名：

Effects of different seeding dates on ratio of root,stem and branch,flower bud and pod to single plant fresh weight of Youyan No.9 and correlation with yields

作者：

ZHAO Ji-xian,REN Ting-bo,CHEN Chang-yan(Guizhou Institute of Oil Crop,Guizhou Sinan 565109,China)

关键词：

Youyan No.9;seeding date;ratio of root to single plant fresh weight;ratio of stem and branch to single plant fresh weight;ratio of flower bud and pod to single plant fresh weight

摘要：

Study on change of development center for Youyan No.9 in different period on designated time showed that there were no significant differences among effects of different seeding dates on average ratios of root,flower bud and pod to single plant fresh weight.There were very significant differences among effects of different seeding dates on average ratio of stem and branch to single plant fresh weight.There were parabolical curves correlation between average ratio of stem and branch to single plant fresh weight in different periods on different sowing dates.There were low-high-low-high change tendency in ratio of stem and branch to single plant fresh weight in whole course of growth.There were multinomial function relationship between ratio of stem and branch to single plant fresh weight,ratio of flower bud and pod to single plant fresh weight in different periods of growth course.Its correlation and significance were different between proportion of root,stem and branch,flower bud and pod and yield in different developing periods.

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播期对油研九号根、茎枝等的影响及其与产量的相关性

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