Abstract：
Leaf miner is one of the major pests on safflower, which causes yield loss and poor quality seriously. "Weihonghua", "nine safflower varieties" and "three chemical insecticides" as materials that used to evaluate variety and regularity of leaf miner, safflower resistant level, and different proportions insecticides in field efficiency test. The results showed that Liriomyza sativae and L. huidobrensis accounted for 80%, the peak period of two pests was all in July; but Phytomyza horticola is relative less, its peak period occured in June. Three were great difference of resistance to leaf miner among safflower varieties, FQ12 and YJ65 expressed higher resistibility to leaf miner by ratio method. With abamectin 2% emulsifiable concentrate diluted for 2 000 times, or the mixture three insecticides(bifenthrin 20% water emulsions, thiamethoxam 25% water dispersible granule, abamectin 2% emulsifiable concentrate=1∶1∶1) diluted for 3 000 times, which were sprayed on leaves at squaring stage and lethal rate was 96% after 48 h in the study. Through comparative study on the variety and regularity of leaf miner, screen for resistant varieties to leaf miner and for high efficiency pesticide. The study provides theoretical basis and reference for integrated pest management of leaf miner.
摘要：
采叶机是红花的主要害虫之一,导致产量损失和质量差。"魏宏华",九种红花品种和三种化学杀虫剂作为评价采叶机品种和规律性的材料，红花抗性水平，和不同比例的杀虫剂在田间效率测试。结果表明，美洲斑潜蝇和胡多龙占80%，两种害虫的高峰期都在7月；但轮虫相对较少，它的高峰期发生在6月。三个红花品种对叶片的抗性差异很大，通过比率法，FQ12和YJ65对采叶机具有较高的抵抗能力。用阿维菌素2%乳油稀释2000倍，或三种杀虫剂的混合物(联苯菊酯20%水乳液，25%噻虫嗪水分散粒剂,阿维菌素2%乳油=1∶1∶1)稀释3000倍，在研究中，在平方阶段喷洒在叶片上，48小时后的致死率为96％。通过对采叶机品种和规律的比较研究,筛选抗叶矿工品种和高效农药。该研究为采叶机病虫害综合治理提供了理论依据和参考。
