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植物生长调节剂Z-S对高产旱稻生长发育及产量的影响

The Effects of Plant regulator Z-S on Growth and Development and Yield in High-yield Dryland Rice

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【作者】 杨宗新何忠诚赵永厚王玉英石岩

【Author】 YANG Zong-xin~1,HE Zhong-cheng~2,ZHAO Yong-hou~2,WANG Yu-ying~(2,3),SHI Yan~2(1.Shandong Agricultural Exhibition Hall,Ji’nan 250011,China;2.Dryland Technology Key Laboratory of Shandong Province in LYAC;3.Institute of Mountain Hazards and Environments,Chinese Academy of Sciences)

【机构】 山东省农业展览馆莱阳农学院旱作技术山东省重点实验室莱阳农学院旱作技术山东省重点实验室 山东济南250011中科院成都山地灾害与环境研究所

【摘要】 利用植物生长调节剂Z-S对品种为农大65的旱稻在三叶一心、拔节期和孕穗期进行叶面喷施,结果表明:随Z-S喷施浓度的增加导致了旱稻不同器官或组织间营养物质的重新分配,使分蘖数和成穗数增加,成穗率以低浓度最高;干物质积累量显著上升且地上部受Z-S影响大于地下部,因而根冠比升高。随Z-S喷施浓度的增加,穗数、千粒重及产量与对照比较均有显著上升。均以低浓度最高。

【Abstract】 The plant regulator Z-S which was synthesizd by us through chemical method was sprinkled on the leaf of dry-land rice in the three-leaf and one sprout,the jointing and the booting stages with the different concentrations.The results showed: with the increasing of Z-S concentration the nutrient matter in different organs or tissues was distributed over again.It resulted to the increasing of the tiller and the panicle bearing tillers and the percentage of panicle bearing tiller of the low concentration was highest.The dry matter accumulation increased significantly and due to the above ground plant was influenced more seriously than the underground part thus the root-shoot radio increased.With the increasing of Z-S concentration the tiller numbers,1000-grain weight and yield also increased significantly compared with the CK,without exception the low concentration was the highest one.

【基金】 山东省教育厅计划项目资助
  • 【文献出处】 莱阳农学院学报 ,Journal of Laiyang Agricultural College , 编辑部邮箱 ,2005年04期
  • 【分类号】S511.6
  • 【被引频次】1
  • 【下载频次】53
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