鄂北棉区麦后直播棉开花成铃动态与最佳成铃期  

Dynamics of blossoming into boll and optimum boll forming period of cotton direct seeded after wheat in northern Hubei Province

作　　者：付永红[1] 梅汉成[1] 刘克钊[1] 黄梅芳[1] 彭亚博 龚泽丹 FU Yong-hong;MEI Han-cheng;LIU Ke-zhao;HUANG Mei-fang;PENG Ya-bo;GONG Ze-dan(Xiangyang Academy of Agricultural Sciences,Xiangyang 441057,Hubei,China)

机构地区：[1]襄阳市农业科学院,湖北襄阳441057

出　　处：《湖北农业科学》2022年第24期31-35,共5页Hubei Agricultural Sciences

基　　金：湖北省农业科技创新基金资助项目(2021-620-000-001-006)。

摘　　要：通过田间挂花试验,分析鄂北棉区麦后直播棉开花成铃动态和最佳成铃期。结果表明,鄂北棉区麦后直播棉开花期为7月25日至9月17日,成铃期为7月25日至9月11日,成铃高峰期为7月30日至9月2日,开花成铃始期、高峰期视当年气候提早或推迟;开花前中期成铃率高,上桃快,日成铃最大时期较日开花最大时期提早10~15 d。鄂北棉区麦后直播棉最佳成铃期为7月25日至8月28日,此期所成的伏桃和早秋桃,其铃重、衣分变幅较小,纤维品质符合纺织工业要求,是鄂北棉区麦后直播棉产量的主体。Through the field experiment of flowering,the dynamics of blossoming into boll and optimum boll forming period of cotton direct-seeded after wheat in northern Hubei Province were analyzed.The results showed that the flowering period of cotton direct-seeded after wheat in northern Hubei Province was from July 25th to September 17th,the boll-forming period was from July 25th to September 11th,and the peak boll forming period was from July 30th to September 2nd.The beginning and peak period of blossoming into the boll were advanced or delayed according to the current climate.It was a high boll formation rate and a fast fructification in the early and middle stages of flowering,and the period of daily maximum boll-forming was 10~15 days earlier than the period of daily maximum flowering.The optimum bolling period of post-wheat cotton in northern Hubei Province was from July 25th to August 28th.The summer and early autumn bolls formed in this period were the main parts of post-wheat cotton production in northern Hubei Province,the rangeability of bell weight and ginning outturn were not wide,and the fibre quality met the requirements of the textile industry.

关 键 词：麦后直播棉 开花期 最佳成铃期 湖北省 

分 类 号：S562[农业科学—作物学]