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高产抗病柱花草新品种选育 I 灰色关联分析法评价柱花草新种质
Breeding for a high-producing disease-resistant Stylosanthes guianensis new cultivar (Ⅰ) Grey relational analysis to evaluate new germ plasm
【摘要】 用灰色局势决策模型对 34个柱花草Stylosanthesguianensis种质 1 996 - 1 997年的产草量和抗病性等性状进行综合分析 ,结果表明 :在新引进柱花草种质中 ,GC1 5 81柱花草和Mineirao柱花草具有抗病、高产的特点 ,两者草产量与热研 2号、热研 5号柱花草相当 ,但抗病性强 ,综合评价优良
【Abstract】 An integrated analysis was made on 34 germ plasm lines of Stylosanthes guianensis using the grey state decision making model, looking at properties measured in 1996-1997 including forage yield and disease resistance The results indicated that from within the newly imported germ plasm, GC1581 and Mineirao had disease resistance and high production characteristics They had similar forage yields to Reyan No 2 and Reyan No 5, but were more disease resistant Evaluated overall, they were choice varieties
【关键词】 柱花草;
种质评价;
灰色局势决策模型;
【Key words】 Stylosanthes guianensis; germ plasm evaluation; grey state decision making model;
【Key words】 Stylosanthes guianensis; germ plasm evaluation; grey state decision making model;
【基金】 “UseofHighYieldingAnthracnoseResistantSty losanthesforAgriculturalSystems(SCI/ 95 / 12 9)”项目的第一阶段内容
- 【文献出处】 草业科学 ,Pratacultural Science , 编辑部邮箱 ,2004年04期
- 【分类号】S54
- 【被引频次】15
- 【下载频次】154