摘要
目的 苏云金芽孢杆菌对不同虫类影响的meta分析.方法 计算机检索NIH数据库、PubMed数据库、中国期刊全文数据库(CNKI)、万方数据库(Wangfang)共4个国内外数据库,检索有关苏云金芽孢杆菌杀虫效果的文献.检索年限从1980年1月-2022年6月,由3名研究者独立提取资料进行质量评价后采用Stata 16.0软件进行meta分析.结果 共纳入25篇符合标准文献,包括20篇中文研究和5篇英文研究.Meta分析结果显示,(1)首先选取95％置信区间及WMD的数据进行异质性分析,半翅目(95％CI:1.83～3.38,Z=6.59,P＜0.01,P=30.98％)、草地贪夜蛾(95％CI:1.40～2.08,Z=11.62,P＜0.01,I2=0.00％)与蚊子(95％CI:0.50～2.20,Z=3.11,P＜0.01)三者统计学异质性较小(I2＜50％),其合并效应的结果较可靠,合并效应差异有统计学意义;棉铃虫(95％CI:1.03～1.60,Z=9.07,P＜0.01,P=96.82％)、甜菜夜蛾(95％CI:2.58～6.87,Z=4.32,P＜0.01,I2=93.49％)与小菜蛾(95％CI:1.61～2.73,Z=7.60,P＜0.01,I2=97.15％)三者统计学异质性较大(I2＞50％),使用随机效应模型后合并效应差异有统计学意义.(2)选取昆虫死亡数作为结局指标,使用空白对照分析,棉铃虫(95％CI:4.72～7.30,Z=9.15,P＜0.01,I2=39.22％)、小菜蛾(95％CI:5.19～6.92,Z=13.78,P＜0.01,I2=46.26％)与蚊子(95％CI:3.79～5.03,Z=13.95,P=0.00,I2=25.83％)三者统计学异质性较小(I2＜50％),采用固定效应模式分析结果,差异有统计学意义.结论 苏云金芽孢杆菌对鳞翅目、双翅目、半翅目的昆虫有大小不等的杀伤作用,研究结果中对棉铃虫与小菜蛾的杀伤作用较为突出,具有研究价值.
Abstract
Objective A meta-analysis of the effects of Bacillus thuringiensis on different insects.Methods Four domestic and foreign databases,including NIH database,PubMed database,China National Knowledge Infrastructure(CNKI),and Wanfang database,were searched by computer to search for literature on the insecticidal effect of Bacillus thuringiensis.The search period was from January 1980 to June 2022,and data was independently extracted by three researchers for quality evaluation.Meta analysis was conducted using Stata 16.0 software.Results A total of 25 papers meeting the criteria were included,including 20 Chinese studies and 5 English studies.The meta-analysis results:(1)Firstly,the data with 95％ confidence intervals and WMD were selected for heterogeneity analysis,Hemiptera(95％ CI:1.83-3.38,Z=6.59,P＜0.01,I2=30.98％ ),grass-craving nightshade moths(95％ CI:1.40-2.08,Z=11.62,P＜0.01,I2=0.00％ ),mosquitoes(95％ CI:0.50-2.20,Z=3.11,P＜0.01),with small statistical heterogeneity among the three(P＜50％ ),and the results of their combined effects were more reliable,and the difference of combined effects was statistically significant.Cotton bollworms(95％ CI:1.03-1.60,Z=9.07,P＜0.01,P=96.82％ ),beet noctuid moths(95％ CI:2.58-6.87,Z=4.32,P＜0.01,P=93,49％ ),and diamondback moth(95％ CI:1.61-2.73,Z=7.60,P＜0.01,P=97.15％ ),the statistical heterogeneity among three was significant(I2＞50％ ),and the difference in the combined effect was statistically significant after using the random effects model.(2)The number of insect deaths was selected as an outcome indicator,using a blank control analysis,cotton bollworms(95％ CI:4.72-7.30,Z=9.15,P＜0.01,P=39.22％ ),diamondback moth(95％ CI:5.19-6.92,Z=13.78,P＜0.01,P=46.26％ ),mosquitoes(95％ CI:3.79-5.03,Z=13.95,P=0.00,I2=25.83％ ),the statistical heterogeneity among the three was small(P＜50％ ),and the fixed-effects model analysis results showed statistically significant differences.Conclusion Bacillus thuringiensis has varying degrees of killing effects on insects of Lepidoptera,Diptera,and Hemiptera.The research results showed that its killing effects on cotton bollworms and diamondback moth are particularly prominent and have research value.
NETL
NSTL
万方数据