水稻雨涝灾害及其对策的初步研究  

A Preliminary Study on Waterlogging Damage to Rice Caused by Excessive Rain and its Countermeasures

作　　者：李林[1] 高根兴 凌炳镛 胡新民 

机构地区：[1]江苏省农业科学院,江苏省常熟市水利科学研究所

出　　处：《中国农业气象》1996年第2期1-5,21,共6页Chinese Journal of Agrometeorology

摘　　要：我国长江流域稻区水稻的雨涝灾害，主要发生在分蘖期间的梅雨季节，或者是台风暴雨期间，它使稻株的生理代谢功能失调，光合生产量下降，茎蘖数减少，有效穗数严重不足，或是小穗增多，致使水稻生育期延迟，穗花期又易受到低温危害，造成水稻减产。雨涝后的稻苗应看天、看苗情，确立抗灾应变增产措施，抓好肥水管理，及时防治病虫害，力争雨涝不严重的田块或地区水稻少减产或不减产。The waterlogging damage to to rice caused by excessive rain in the Yangtze River Valley ofChina occurs mainly in the plum rains peried when riee tillers,or during typhonic rain Itcauses physiological and metabolic disorders in rice plants,reduces photosynthetic capaciy,tiller numbers per plant and effective panicle numbers,or increases the proportion of smallpaiiicles.It also leads to delayed development for rice plants which are apt to cold damageduring heading and flowering stages,resulting in lower yield.In order to increase the yieldof the damaged rice plants,disaster-relief measures should be decided according to weatherand seedling conditions.Attention should be paid to the management of fertilizers and waterand the control of pests and diseases,and efforts should be tried to minimize yield reductionsof the rice crop from regions not severely damaged.

关 键 词：水稻 雨涝灾害 对策 水灾 

分 类 号：S423[农业科学—植物保护]