论文部分内容阅读
巴戟天又名巴戟、巴戟肉、鸡肠风,以根入药,为常用名贵中药材之一,目前市场供应比较紧缺。全国中药材资源普查资料数据显示,巴戟天每年需求量为25万公斤左右。巴戟天在生长期间病虫害比较多,严重影响产量和产品质量,其防治方法如下。一、茎基腐病。此病由真菌中半知菌类的镰刀菌引起,发病部位在植株基部1~3厘米处。开始发病时,受害部位出现褐色的斑点。病情严重时茎基腐烂,皮部和木质剥离,最后木质部碎裂,向下发展,使肉质根腐烂,致使地上藤蔓枯死。此病多在种植2~3年后发生。
Morinda, also known as Morinda, Morinda meat, chicken intestine wind, to root medicine, commonly used for Chinese herbal medicines one of the current market supply more scarce. National Chinese herbal medicine resources census data show that the annual demand for Morinda officinalis 250 000 kg. Morinda officinalis growing pests and diseases during the more serious impact on yield and product quality, and its prevention and treatment as follows. First, stem rot. The disease is caused by Fusarium, a fungus known to be a fungus, with the site of disease occurring 1 to 3 centimeters above the base of the plant. The onset of the disease, the affected parts appear brown spots. Serious when the stem-based decay, skin and wood stripping, and finally fragmented xylem, downward development, the fleshy root rot, resulting in the death of the vine vine. This disease occurs more than 2 to 3 years after planting.