摘要
桉树枝瘿姬小蜂在赣南发生蔓延速度很快,为摸清桉树枝瘿姬小蜂种群在赣南的发生规律及气象因子对其发生的影响,调查研究了该蜂的种群消长动态,并结合当地的主要气象因子,采用多元线性回归和逐步回归等方法对成虫发生量与气象因子的关系进行了分析。结果表明,月平均气温(x4)和月最高气温(x5)这两个气象因子对桉树枝瘿姬小蜂成虫数量有显著影响,呈显著正相关关系。最优回归方程:y=-145.579+2.503x4+5.063x5;桉树枝瘿姬小蜂成虫数量与月平均最低气温月平均最高气温、月最低温度、相对湿度虽也有一定关系,但无较大关系,均为不重要变量。
Abstarct： To discover occurring characteristics of Leptocybe invasa Fishher ＆ La Salle and effect of climate factors on it in southern Jiangxi province, relationship between the adult population quantity and climate factors was analyzed by multiple linear regression and stepwise regression method. The results showed that month average temperature （x4） and month maximum temperature （xs） had significant effects on adult population quantity of L. irtvasa （y）, as the optimal equation of positive correlated regression revealing as：y=-145.579 ＋ 2.503x4＋5.063xs. And average minimum temperature, the average maximum temperature, month minimum temperature and relative humidity were not critical variables. Key words： Leptocybe invasa; meteorological factors; adult quantity; regression analysis
出处
《中国植保导刊》
北大核心
2016年第8期41-45,共5页
China Plant Protection
基金
江西省科技支撑计划项目(20132BBF60035)
关键词
桉树枝瘿姬小蜂
气象因子
成虫数量
回归分析
Leptocybe invasa
meteorological factors
adult quantity
regression analysis
