分蘖期不同程度水分胁迫对水稻需水规律及生长发育的影响  

Effects of Different Water Stress on Water Demand and Growth of Rice in Tillering Stage

作　　者：于靖[1] 徐淑琴[1] 高婷[1] 

机构地区：[1]东北农业大学水利与建筑学院,黑龙江哈尔滨150030

出　　处：《节水灌溉》2012年第7期21-23,共3页Water Saving Irrigation

基　　金：黑龙江省自然科学基金(E201054);东北农业大学博士基金项目(E090202)

摘　　要：试验在黑龙江水稻灌溉试验中心进行,通过对水稻分蘖时期实施不同程度的受旱,初步研究了庆安地区水稻在不同水分条件下的需水规律、生理特性以及其产量形成。结果表明:不同土壤水分条件与水稻需水量及产量的关系密切;分蘖时期不同程度受旱对水稻生长发育的影响不尽相同,轻度受旱可以获得较高的各项产量指标产量。This experiment is conducted at Paddy Irrigation Test Center in Heilongjiang to research water requirement pattern, physi- ological characteristic and yield formation of rice through taken different extent water deficit in Tillering period of rice. The results show that the different soil moisture has extremely close relation with the water demand and rice yield. The different degree of drought on the growth of rice has different effects. The mild degrees of drought can gain the higher production of the output indicators.

关 键 词：水稻 水分胁迫 需水规律 产量 

分 类 号：S274[农业科学—农业水土工程]