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当前位置: 首页 > 文章 > 移栽灵和立丰灵组合对直播稻抗倒特性及产量的影响 河南农业科学 2011,40 (3) 43-46
Position: Home > Articles > Effects of Isolane and Lifengling on Lodging Resistance and Yield of Direct Sowing Rice Journal of Henan Agricultural Sciences 2011,40 (3) 43-46

移栽灵和立丰灵组合对直播稻抗倒特性及产量的影响

作  者：
张友强;许凤英;王晓玲;马国辉;田小海;邹华文
单  位：
长江大学
关键词：
直播稻;水分灌溉模式;移栽灵;立丰灵;抗倒性;产量
摘  要：
为了探讨2种灌溉模式下,喷施移栽灵和立丰灵对直播稻生长特性及产量的影响,以Y两优1号为材料,分别进行2种水分管理(即全生育期长期浅水管理与前期间歇灌水+后期浅水管理),同时在水稻直播后30 d喷施移栽灵,在拔节前7 d喷施立丰灵,以不喷施为对照。结果表明,喷施移栽灵与立丰灵后,降低了穗下第3、4节间长度,增大了茎秆粗度和壁厚,尤其是穗下第3、4节间,从而增大茎秆的抗折力,第3、4节间抗折力分别比对照增加49.56%和26.51%,倒伏指数分别比对照降低27.27%和12.33%,增强了植株的抗倒伏能力,其中前期间歇灌水+后期浅水管理效果更明显。喷施移栽灵与立丰灵后,植株高度增加,剑叶、倒二叶和倒三叶叶长缩短,叶片宽度增大,叶片与茎秆的夹角增大,改善了植株形态,提高千粒重、穗粒数和产量,理论产量提高3.83%,实际产量提高4.41%,其中前期间歇灌水+后期浅水管理增产效果较明显。因此,喷施移栽灵和立丰灵,同时配以前期间歇灌水+后期浅水管理,是值得推广的栽培模式。
译  名：
Effects of Isolane and Lifengling on Lodging Resistance and Yield of Direct Sowing Rice
作  者：
ZHANG You-qiang1,XU Feng-ying1,WANG Xiao-ling1,MA Guo-hui1,2,TIAN Xiao-hai1,ZOU Hua-wen1(1.Agriculture College,Yangtze University,Jingzhou 434025,China;2.National Engineering Technology Research Center of Hybrid Rice,Changsha 410125,China)
关键词：
Direct sowing rice;Irrigation mode;Isolane;Lifengling;Lodging resistance;Yield
摘  要：
The effect of spraying Isolane and Lifengling on lodging resistance properties and yield of direct sowing rice was studied under different irrigation patterns.The tested rice variety of Y Liangyou No.1 was treated with two irrigation patterns(continuous irrigation of shallow water(CISW) and intermittent irrigation followed by shallow water(IISW) and at the same time,was sprayed with two plant growth regulators of isolane at 30 days after sowing and lifengling at 7 days.The spray of regulators reduced the internode length from the third to the fourth node below ear and increased the stalk diameter and wall thickness,especially the third and fourth internodes.Those increased the breaking resistance of rice(by 49.56% and 26.51% for the third and fourth internodes,respectively)while reduced the lodging index of rice by 27.27% and 12.33% to strengthen the lodging resistance,with a better result observed under IISW than CISW.Application of the two regulators increased the plant height,leaf width,and the angular separation between leaf and stalk,reduced the length of flag,the second and third leaves,and improved the plant morphology.The thousand kernel weight,the number of grains per ear and rice yield was increased owing to the application of these regulators.The theoretical and actual outcomes were increased by 3.83% and 4.41%(P<0.01)compared with controls,with a better result observed also under IISW.So spray of isolane at 30 days after rice sowing and lifengling at 7 days before jointing stage,combined with appropriate irrigation patterns,would be a cultivation mode worthy of popularizing.

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