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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。
In order to find out the regularity of the occurrence of Eucalyptus giganticola in Gannan and the impact of meteorological factors on the occurrence of Eucalyptus, the investigation of the population dynamics of the bee, Combined with the main meteorological factors in the area, the relationship between the occurrence of adult and meteorological factors was analyzed by multivariate linear regression and stepwise regression. The results showed that both the monthly average temperature (x4) and monthly maximum temperature (x5) had a significant positive correlation with the number of adults of Eucalyptus and its population. The optimal regression equation was y = -145.579 + 2.503x4 + 5.063x5. The number of adults in Eucalyptus and its relative average monthly mean maximum air temperature, monthly minimum temperature and relative humidity were not significant , Are not important variables.