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棉花学报  2008 

滨海盐碱地不同抗虫棉品种的产量和熟相及去早果枝的效应

DOI: 1002-7807(2008)06-0431-05, PP. 431-435

Keywords: 滨海盐碱地,抗虫棉,去早果枝,皮棉产量,早衰

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Abstract:

为探讨不同抗虫棉品种在滨海盐碱地的产量和熟相及其对去早果枝的反应,以早发型(鲁棉研17、21)、晚发型(鲁棉研18、22)抗虫棉和两者的F1杂交种(01H00、01H01)为材料,于2006-2007年在东营市盐碱棉田进行了试验观察。结果表明,早发型和晚发型抗虫棉品种间的早熟性和熟相存在显著差异,两者的杂交种在2006和2007年分别比常规种增产5.7%~14.5%和4.7%~6.8%,并表现出较好的熟相。早发型常规抗虫棉去早果枝增产5.6%~8.4%,早衰得到延缓;晚发型常规抗虫棉去早果枝减产9.3%~13.1%,表现晚熟。利用不同熟相类型的常规抗虫棉配置杂交组合以及对早发抗虫棉品种去早果枝都是延缓早衰、提高盐碱地棉花产量的有效途径。

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