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对于九个小麦品种上的麦蚜混合种群数量进行系统调查 ,经统计分析品种间差异不显著 ,对蚜虫发生高峰日 5月 6日的各品种上麦蚜数量间进行成数检验 ,品种间差异显著
A systematic investigation was carried out on the population of mixed wheat aphids on nine wheat cultivars. The statistical analysis showed no significant difference among cultivars. The number of aphids in each cultivars on the peak of aphids on May 6 was tested. The differences among cultivars Significant