Physiological diseases of Ganoderma lucidum
Due to the action of abiotic factors, diseases often occur due to the imbalance of physiological metabolism of Ganoderma lucidum.
Symptoms of physiological diseases, the growth of deformed Ganoderma lucidum, hyphae stop growing or poor growth of the phenomenon of atrophy, but also the phenomenon of overgrowth.
The etiology is due to improper management in cultivation, resulting in sesame malnutrition; too high or low temperature in the cultivation room, poor ventilation; too high or low water content or ph value of the culture material; uncoordinated light; excessive concentration of harmful gases in the border bed; improper use of pesticides and growth regulators. The mycelium is not mature, the soil is covered prematurely, and the proportion of nitrogen in the culture material is too high, which is easy to cause the mycelium to grow too much.
Prevention and cure method
(1) strengthen cultivation management, timely ventilation, maintain appropriate temperature and humidity, and pay attention to environmental hygiene.
(2) select high-quality bacteria; reasonably prepare culture materials, requiring appropriate nitrogen content, commonly used wheat bran or rice bran generally not more than 20%, so as to avoid mycelium growth; mycelium culture is mature and then cover the soil to produce Ganoderma lucidum.
(3) the border bed can be sprayed with 1% Mui 3% lime water, and then covered with branches and other covers after the surface is slightly dry, which can also prevent mycelium from overgrowing.
(4) choose suitable pesticides and growth regulators to prevent pesticide poisoning.
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A new strain of Ganoderma lucidum-Satellite 2
"Satellite 2 Ganoderma lucidum" was sent into space by the "961020" recoverable satellite launched in China for 15 days, so that it was exposed to large doses of ultraviolet radiation and weightlessness in the universe, resulting in genetic mutation, and then after screening and cultivation experiments, a new strain of Ganoderma lucidum with high quality and high yield was selected. " Compared with the unloaded Ganoderma lucidum strain (control strain), the yield of fruiting body of satellite 2 was increased by 75.3%, the rate of high quality product was 88.9%, the average fermentation rate was 2.57%, and the activity of cellulase was increased.
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Cultivation techniques of Mulberry branches of Ganoderma lucidum
Mulberry is a woody plant, and mulberry branch is the largest by-product in sericulture production. Mulberry branch wood has a moderate degree of fibrosis, which can be used as a high-quality paper raw material and suitable for the culture of edible and medicinal fungi. Mulberry twig itself is a commonly used traditional Chinese medicine. Ganoderma lucidum, a medicinal fungus cultivated with mulberry branches, is better than Ganoderma lucidum cultivated with sawdust and wood. After Sangzhi Ganoderma lucidum is on the market, the price is more than 50% higher than that of ordinary Ganoderma lucidum. The key techniques of mulberry branch cultivation of Ganoderma lucidum are introduced as follows: first, the cultivation technology of mulberry branch Ganoderma lucidum is as follows: Mulberry
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