摘要
1992~1994年在中粳稻区研究了黑线姬鼠发生动态和春秋季防治指标。结果表明,4~5月、9~10月为繁殖高峰;5~6月和10~11月为数量高峰。水稻不同生育期害鼠百夹日捕获率(X)与产量损失率(Y)呈显著正相关,早春为防治适期,在现有生产水平下,防治指标(百夹日捕获率)为3%,水稻主害期控制指标为6%~7%。
Occurence and population dynamics and control indics of Apodemus agrarius in nonglutions rice rigion were studiesin spring and autumn in 1992~1994.The results showed that reproductive and number peaks of the population were in April toMay and September to October,May to Jun and October to November,respectively.Capture rate(x)/100 rat clip was signifi-cantly posltive correlation with yield loss rate of rice(Y).The better stage of control of the rat was in early spring. Under cur-rent producting level,control indices were determined as 3 per cent of capture rate(100 rat clip)and 6~7 per cent during maindamage stage of rice.
出处
《江苏农学院学报》
CSCD
1996年第2期51-54,共4页
Jiangsu Agricultural Research
关键词
黑线姬鼠
发生动态
防治
水稻
中粳稻区
apodemus agrarius
population dynamics
injure loss
control index
rice