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三七为五加科人参属,是多年生草本植物,在中药材生产中的地位仅次于人参。三七对生长的环境条件有特殊要求,适宜于冬暖夏凉的气候,不耐严寒与酷热,喜半阴和潮湿的生态环境。故其分布范围仅局限于中国西南部海拔1500~1800米、北纬23.5°附近的狭窄地带,包括云南省文山州和广西与文山交界的几个地方。常见的病虫害有圆斑病、黑斑病、炭疽病、灰霉病、疫病、蚜虫、红蜘蛛、蚧壳虫。拜耳作物科学(中国)有限公司对三七病虫害有独特的用药方案,对防治三七病虫害有很好的效果。圆斑病:危害植株各个部位,叶片发病初期叶背面呈现黄
Panax notoginseng is a ginseng, is a perennial herb, in the production of Chinese herbal medicine, second only to the status of ginseng. Notoginseng on the growth of environmental conditions have special requirements, suitable for cool weather in winter, summer, intolerance cold and heat, like half-Yin and humid ecological environment. Therefore, its distribution is confined to a narrow area of 1500-1800 meters above sea level and 23.5 ° north latitude in southwestern China, including Wenshan Prefecture in Yunnan Province and several places at the intersection of Guangxi and Wenshan. Common pests are rotted, black spot, anthracnose, gray mold, blight, aphids, spider mites, scale insects. Bayer CropScience (China) Co., Ltd. has a unique program for the treatment of Panax notoginseng pests and diseases and has a good effect on the prevention and treatment of Panax notoginseng pests and diseases. Circular spot disease: endangering all parts of the plant, leaves the early onset of leaves showed yellow