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传统的植棉三桃理论难以反映大田生产实际。保伏前桃要求大量施药杀虫,造成高昂的经济代价和生态代价。伏前桃本身又存在严重的烂铃问题。我们近年研究表明。棉花本身对于早期的虫害和人工摘蕾捐赠有很强的补偿能力.在目前一般条件下,棉株受到适量为害损伤后能够出现增产。利用这一超越补偿性能,我们提出将第二代棉铃虫和苗蚜的经济阈值提高约10倍,然后辅以人工摘除早蕾,以达到省药、省工。治虫、防病、增产、优质的目的。这是对植棉理论的新发展。
The traditional theory of cotton-planting three peaches is difficult to reflect the reality of field production. Pre-insulated peaches require a large number of pesticides pesticides, resulting in high economic costs and ecological costs. V peach itself before there is a serious problem of bad bell. Our research shows in recent years. Cotton itself has a strong ability to compensate for early pests and artificial extraction buds, and under the current general conditions, cotton plants can yield more after they have been damaged by the appropriate amount of damage. Taking advantage of this overcompensating performance, we propose to raise the economic threshold of second-generation cotton bollworm and seedling aphid by about 10 times, and then supplemented by manual removal of early buds in order to save energy and save labor. Pest control, disease prevention, increase production, high-quality purposes. This is a new development of cotton-planting theory.