论文部分内容阅读
2015年我国棉花病虫害将呈偏重发生态势,预计发生面积约2亿亩次。为切实做好2015年棉花重大病虫害防治工作,提高棉花种植效益,减少化学农药使用,全国农技中心制定了科学防控技术方案。一、防控目标重大病虫防治处置率达到90%以上,绿色防控技术应用面积达到15%以上,总体防治效果达到85%以上,病虫危害损失率控制在8%以内,化学农药用量减少20%。二、防控策略针对不同生态区域、棉花各生育期的主攻靶标
In 2015, China’s cotton pests and diseases will show a strong tendency of occurrence, with an estimated area of about 200 million mu. In order to effectively do a good job in major cotton pest and disease control in 2015, improve the efficiency of cotton planting and reduce the use of chemical pesticides, the National Agricultural Technology Center has formulated a scientific and technological program for prevention and control of diseases. I. Prevention and Control Targets The major pest control treatment rate reached above 90%, the green control technology application area reached above 15%, the overall control effect reached above 85%, the pest and disease damage loss rate was controlled within 8%, the dosage of chemical pesticide decreased 20%. Second, the prevention and control strategies for different ecological regions, the main target of cotton during the growing period