摘要
研究表明：７种植物生长调节剂对水稻产量的影响是，喷施宝、植宝素增产达到极显著水平，复合稀土增产素、多效唑增产达到显著水平；对水稻生长发育的影响是，调节生育进程，使水稻出苗至抽穗期延长１～６ｄ，抽穗至成熟期缩短１～１２ｄ，整个生育过程提早０～７ｄ；能促进根系生长，器官干物质积累增加，叶片寿命延长，光合叶面积增大，经济性状变优。
? The results showed that effects of seven growth regulors on rice yield significance for Penshibao and Zhibaoshu were up to 1% level,for compound Xitu Zhengchanshu and PP333 up to 5% level.The growth regulator could adjust plant development progress to prolong for 1～6 d from the seedling to the earing and shorten to 12 d from earing to ripening. The whole growth process shortened for 0～7d,the root growth has been promoted,the dry matter added,the leaf span lengthened,the leaf areas enlarged and the economic properties bettered
出处
《贵州农业科学》
CAS
1998年第4期28-31,共4页
Guizhou Agricultural Sciences
关键词
生长调节剂
水稻
生长发育
产量
growth regulator
rice
growth and development
yield
