摘要
研究了西花蓟马于25℃下在甘蓝上的发育和繁殖情况,并组建了西花蓟马在甘蓝上的特定年龄生命表和繁殖特征生命表,计算出了反映种群增长动态的几个重要参数。结果表明,西花蓟马在甘蓝上的未成熟期平均为12.29d,雌成虫平均寿命为29.07d,平均每雌产卵量为70.80粒,每雌日均产卵量为2.88粒,世代总存活率为65%,种群趋势指数(I)为34.17。净生殖率(R0)、内禀增长能力(rm)、周限增长率(λ)、种群加倍时间(t)分别为34.5322、0.1197、1.1272、5.7907d。
The authors studied the development and reproduction of Frankliniella occidentalis on cabbage under 25℃ was studied, and the age specific and fecundity specific life tables were constructed. The results showed that the immature stage was 12.29 days, the adult female average stage was 29.07d which the fecundity per one was 70.80 eggs and the daily oviposition per one was 2.88 eggs. The population parameters were obtained such as survival rate of generation （65%）,trend index of population（I=34.17）, net reproductive rate（R0=34.532 2）, innate capacity of population increase （rm=0.119 7）, finite rate of increase （λ=1.127 2） and doubling time （t=5.790 7 d） were obtained.
出处
《湖北农业科学》
北大核心
2010年第6期1366-1369,共4页
Hubei Agricultural Sciences
基金
贵州省优秀科技教育人才省长专项资金项目[黔省专合字(2007)20号]
关键词
西花蓟马
甘蓝
实验种群
生命表
Frankliniella occidentalis
cabbage
experiment population
life table
