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Study on Comprehensive Characters of Maturation and Defoliation of Cotton
Author(s): 
Pages: 15-17
Year: Issue:  4
Journal: China Cotton

Keyword:  机采棉脱叶剂方差分析灰色综合评价;
Abstract: 采用方差分析法和灰色关联度综合评价法对棉花脱叶催熟剂不同处理的脱叶率、吐絮率、铃重、衣分和子指进行研究.方差分析结果表明,脱吐隆十乙烯利的脱叶率显著高于超脱十乙烯利、瑞脱龙十乙烯利和棉叶落清十乙烯利;4种脱叶剂加催熟剂处理吐絮率均明显高于对照,但相互之间差异不显著;除脱吐隆十乙烯利处理对铃重影响较大外,其余各处理对衣分和子指的影响差异不显著.通过灰色关联度评价,4 种脱叶催熟剂处理综合效果优劣排序为瑞脱龙、棉叶落清、超脱、脱吐隆.
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