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《Journal of Anhui Agricultural Sciences》 2008-15
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Effect of Correlativity between Quality Character and Plant Character of Yellow-seeded Hybrid Rapeseed Brassica Napus under Different N application Rates

HU Teng-wen et al(Guizhou Institute of Rapeseed,Sinan,Guizhou 565109)  
[Objective] The aim was to study the correlativity between quality character and plant character of yellow-seeded hybrid Brassica napus under different nitrogen application rates.[Method] In the field test with two-factor random block design,with Youyan No.9 No.10 as test material,6 treatments of applying pure nitrogen at 0,75,150,225,300,375 kg/hm2 were set up,and the economic traits and quality characters of samples were examined and analyzed when the rape was harvested.[Result] Except 2 economic characters of pod number and kernel weight,the oil content,glucosinolate,meal protein,linoleic acid of hybrid rapeseed had the negative correlations with plant height,thickness of root crown,height of effective branch part,effective branchs of primary branches and secondary branches per plant,effective pods per plant,yield per plant,dry weight per plant and that showed a positive correlation with the length of main inflorescence.The erucic acid,seed protein,oleic acid,linolenic acid,arachidonic acid had the positive correlations with that above mentioned economic characters and that showed a negative correlation with the length of main inflorescence.There were some difference in significance of correlation among various varieties and different characters.[Conclusion] Nitrogen fertilizer would produce influence on plant character in meanwhile of producing affection on quality character of hybrid rape.
【Fund】: 国家科技部成果转化资金项目(04EFN215200268);; 省长基金项目[黔省专合字2005(77)][黔科合重大专项字(2006)6001]资助
【CateGory Index】: S565.4
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