]*>","")" /> Studies on Characters of the Growth and Developmentto Late Sown ‘ Winter Wheat in North of Xinjiang

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Studies on Characters of the Growth and Developmentto Late Sown ‘ Winter Wheat in North of Xinjiang

  • Received:2001-06-25 Revised:2001-06-25 Online:2001-06-25 Published:2001-06-25

北疆冬小麦晚秋播种生育特点的研究

雷钧杰;赵奇;孙保成;陈兴武;宋敏;赛里汗   

  1. 新疆农业科学院粮食作物研究所,新疆乌鲁木齐,830000

摘要: 冬小麦晚播由于生态条件的变化而造成其内部各种生理机理的变化,从而形成与适期播种不同的生育特点:(1)出苗、分蘖发生晚,成熟期相近,生育期缩短;(2)苗体小,植株矮,前期灌浆速度慢,后期灌浆速度快;(3)冬前叶片数少,叶片小,分蘖少,分蘖成穗率高;(4)穗部性状中后期发育快,单穗株率大.根据生育特点,采取相应的调控技术,做到适当增大密度,肥水早促,使晚秋播种冬小麦少减产.