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当前位置: 首页 > 文章 > 立丰灵与移栽灵对直播稻抗倒性能的影响 湖北农业科学 2011,50 (5) 36-38
Position: Home > Articles > Effect of Lifengling and Isolane on Lodging Resistance of Direct Seeding Rice Hubei Agricultural Sciences 2011,50 (5) 36-38

立丰灵与移栽灵对直播稻抗倒性能的影响

作  者：
许凤英;邹华文;王晓玲;田小海;马国辉;段贺
单  位：
长江大学农学院
关键词：
直播稻;立丰灵;移栽灵;立丰灵与移栽灵组合;抗倒性能
摘  要：
以杂交水稻Y两优1号为材料,研究了立丰灵与移栽灵及其组合对直播稻抗倒性能的影响。结果表明,喷施立丰灵与移栽灵及其组合后,穗下第二节间长度增加,第三、四节间长度降低,茎秆节间粗度和壁厚增加,尤其是穗下第三、四节间的抗倒伏能力明显增强,倒伏指数的降低为极显著。另外使植株高度增加,顶部上三叶的宽度增大,剑叶、倒二叶叶长减少、叶片与茎秆的夹角减小,倒三叶叶长增加、夹角增大,改善了植株形态,提高了结实率和单穗重,理论产量与实际产量的增幅均达到极显著水平。其中以喷施立丰灵效果最好,其次为立丰灵与移栽灵组合,最后为移栽灵。
译  名：
Effect of Lifengling and Isolane on Lodging Resistance of Direct Seeding Rice
作  者：
XU Feng-ying1,ZOU Hua-wen1,WANG Xiao-ling1,TIAN Xiao-hai1,MA Guo-hui1,2,DUAN He1(1.Agriculture College,Yangtze University,Jingzhou 434025,Hubei,China; 2.National Engineering and Technology Research Center of Hybrid Rice,Changsha 410125,China)
关键词：
direct seeding rice;Lifengling;Isolane;combination of Isolane and Lifengling;lodging resistance
摘  要：
The objective of this experiment was to study the influence of Lifengling and Isolane sprayed separately or in mixture on lodging resistance of direct seeding rice.The rice variety of Y liangyou 1 was used as testing material.The results showed that spray of Lifengling and/or Isolane lengthened the distance of the second internode,but reduced that of the third and the fourth internode below ear.In addition,it could also increase the stalk diameter and wall thickness,especially the internode between the third and the fourth node.Therefore,the breaking resistance and the lodging resistance of rice were strengthened and the lodging index of rice was reduced significantly(P<0.01).The application of these regulators increased the plant height,leaf width,and the angular separation between leaves and stalk.At the same time,the application of these regulators reduced the length of flag,the second and the third leaf.Spray of these regulators improved the plant morphology and increased the ripening rate,single ear yield,and rice yield.Both the theoretical and the actual yield increased significantly(P<0.01) owing to spray of these regulators.Spray of Lifengling brought the best outcome followed by combination of Lifengling and Isolane,and then Isolane.

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