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对天然彩色棉害虫采取不同防治措施。结果表明 ,生物防治成本偏高 ,增加了棉农的劳动强度 ;常规防治成本适中 ,但有较大盲目性 ,不仅增加了棉农的劳动强度 ,而且剧毒农药的施用还对环境造成污染 ,增加了棉农的危险性 ;综合防治最为经济、有效 ,用工最少 ,收益最大。为了降低彩色棉农药残留 ,降低防治成本 ,应该采取综合防治和生物防治相结合的措施
Natural color cotton pests to take different control measures. The results showed that the cost of biological control was high, which increased the labor intensity of cotton farmers. The cost of conventional control was moderate, but there was a big blindness, which not only increased the labor intensity of cotton farmers but also polluted the environment and increased the environmental pollution The danger of cotton farmers; Comprehensive prevention and control is the most economical and effective, with the least labor, the largest revenue. In order to reduce the color cotton pesticide residues and reduce the cost of prevention and control, we should adopt a combination of integrated control and biological control