During the growing period of gastrodia, mold infection should be prevented. Once there is an infection of green mold, Gibberella and other bacteria on the soil layer or box, a layer of Bordeaux mixture (copper sulphate, quicklime, water in a ratio of 1:1:1140, 1 part copper sulfate and One part of the raw stone sand is dissolved in water, respectively, and the copper sulfate aqueous solution is poured into the milk of lime. Stir well, add water to 140 parts), or spray gently some 0.1% concentration of thiophanate-methyl solution, the mold can be killed or be inhibition.
Prevent nematodes from infecting culture materials. The nematode worm culture material is very serious, and finally it can make the culture material black, affecting the normal growth of Armillaria and Gastrodia. The prevention and control method is to try not to use natural water to spray gastrodia. Also in the pit or pit, rat poison is used to eliminate mice, and measures are taken to control ants and cockroaches.
Flexible Fiber Optic Laryngoscope
Flexible Fibre Optic Laryngoscope,Fiber Optic Laryngoscope Blade,Stainless Steel Fiber Optic Laryngoscope,Medical Fiber Optic Laryngoscope Blade
Jiangsu Yongle Medical Technology Co., Ltd. , https://www.jsylmedical.com