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作 者:赵中亭 樊海潮 张志恒 张桂花 ZHAO Zhongting;FAN Haichao;ZHANG Zhiheng;ZHANG Guihua(Economic Crops Reseach Institute,Heze Academy of Agricultural Sciences,Heze 274000,Shandong;Test Demonstration Development Service Center,Heze Academy of Agricultural Sciences,Heze 274000,Shandong)
机构地区:[1]菏泽市农业科学院经济作物研究所,山东菏泽274000 [2]菏泽市农业科学院试验示范开发服务中心,山东菏泽274000
出 处:《浙江农业科学》2025年第3期600-603,共4页Journal of Zhejiang Agricultural Sciences
基 金:山东省棉花产业技术体系项目(SDAIT-03-15);山东省农业良种工程项目(2020LZGC002-02-04)。
摘 要:以杂交棉瑞杂818为材料,研究不同脱叶催熟时间对棉花产量和品质的影响。结果表明,脱叶催熟对棉花的单铃重影响较大,脱叶催熟影响了上部棉铃的后期生长发育;脱叶催熟后的小区霜前籽棉产量明显高于对照,霜后籽棉产量明显低于对照,总产量略高于对照。早期脱叶催熟降低了棉花的衣分、纤维长度、断裂比强度、马克隆值,但随着脱叶催熟时间的推迟,棉花的衣分、纤维长度、断裂比强度、马克隆值与对照差异不明显。In this study,the effects of different defoliation and ripening time on cotton yield and quality were studied using hybrid cotton variety Ruiza 818 as the material.The results showed that defoliation and ripening had a great effect on the single boll weight of cotton,and defoliation and ripening affected the later growth and development of the upper boll.The yield of pre-frost seed cotton in the plot after defoliation and ripening was significantly higher than that of the control,and the yield of seed cotton after frost was significantly lower than that of the control,and the total yield was slightly higher than that of the control.Early defoliation and ripening reduced the lint percentage,fiber length,breaking strength and micronaire value of cotton.However,with the delay of defoliation and ripening time,the lint percentage,fiber length,breaking strength and micronaire value of cotton were not significantly different from those of the control.
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