However, the resistant level in a few of rice varieties increased along with the increase of plant age.
但少数品种随着苗龄的增大，其抗虫性有不同程度的提高。
The vitalities and reproductivities of methomyl and endosulfan resistant populations decreased to some extent with the increase of resistant level.
灭多威及硫丹抗性种群随抗性水平的提高，其生命力及繁殖力表现不同程度的降低。
The vitalities and reproductivities of methomyl and endosulfan resistant populations decreased to some extent with the increase of resistant level.
灭多威及硫丹抗性种群随抗性水平的提高，其生命力及繁殖力表现不同程度的降低。
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