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由西北农林科技大学吴文君教授主持研制的新型植物杀虫剂——0.2%苦皮藤素乳油,不久前通过了陕西省科技厅主持的鉴定,鉴定委员会一致认为,该产品属国际首创,总体研发水平达到国际先进水平。苦皮藤是广泛分布于我国黄河、长江流域丘陵和山区的一种具有杀虫活性成分的多年生灌木。苦皮藤素乳油具有“一高两低”的特点:一、高效。稀释1000倍喷雾,防治菜青虫效果在90%以上,防治槐尺蠖效果在95%以上,对一般农药难以防治的小菜蛾,防效亦在85%以上。二、低毒。对哺乳动物、鸟类、鱼类、家蚕、蜜蜂、蝌蚪、瓢虫及土壤微生物等均属低毒级农药,不会对其安全造成威胁。三、低成本。以防治小菜蛾为例,每亩每次药费仅为2元。
The new plant insecticide - 0.2% Celangulin EC developed by Professor Wu Wenjun of Northwest A & F University recently passed the appraisal conducted by Science and Technology Department of Shaanxi Province. The appraisal committee agreed that the product is an international initiative and the overall R & D Level reached the international advanced level. Bitter vine is widely distributed in China’s Yellow River, the Yangtze River valleys and mountains of insecticidal active ingredients of perennial shrubs. Celangulin EC has “one high and two low ” features: First, efficient. Dilution of 1000 times the spray, the prevention and treatment of Pieris rapae over 90%, prevention and treatment of Sophora japonica Thunb effect in more than 95% of the general pesticides hard to control the diamondback moth, control effect is also above 85%. Second, low toxicity. On mammals, birds, fish, silkworms, bees, tadpoles, ladybugs and soil microorganisms are low toxicity pesticides, will not pose a threat to their safety. Third, low cost. Take the prevention and treatment of diamondback moth as an example, each drug is only 2 yuan per mu.