期刊论文

中文

湖南文理学院学报(自然科学版)

1672-6146

2014

01

30-37

10.3969/j.issn.1672-6146.2014.01.008

(201303021):国家公益性行业(农业)科技专项 (2011NK2009):湖南省科技支撑计划重点项目 (SCX1306):湖南省大学生创新性项目

本校为第一机构

结果表明,白背飞虱(5龄若虫、长翅型和短翅型成虫)在18～34℃的温度区间内均能在不同生育期的水稻上传毒,传毒率在3.3%～41.2%间.介体发育阶段、环境温度和水稻生育期均能显著影响该虫的传毒能力(P 短翅型成虫>长翅型成虫；26℃时该虫传毒率最高,其次是22℃,最后依次是28℃、18℃和34℃；苗龄越低传毒率越高.这三者中任意2因素间都有极显著的互作效应(P 水稻生育期>介体发育阶段>环境温度×介体发育阶段>环境温度×水稻生育期>介体发育阶段×水稻生育期.不同品种的感染率不同,5个品种感染率从高到低的顺序分别是陵两优268(41.7%)、金优899(37.6%)、金优284(36.2%)、培两优981(32.1%)和威优644(2...

The fifth instar nymph, macropter and brachypter could transmit SRBSDV among rice plants at different growth stage under the temperature range from 18℃to34℃, and the transmission efficiency ranged from 3.3%to 41.2%. Transmission efficiency was affecting significantly by vector life stage, temperature, and rice growth stages (P brachypter > macropter, transmission efficiency of WBP reached the maximum value at 26℃, and then declined in turn at 22℃, 28℃, 18℃and 34℃, and infection rate of rice plants by the vector was declined with the plan...