Identification of the superiority and inferiority of straw mushroom species

Before straw mushroom cultivation, the quality of strains should be identified, and high-quality strains should be selected as much as possible. The appearance of high-quality strains was as follows: thick mycelium, consistent development of upper and lower mycelium, and white or translucent aerial mycelium. The specific identification method is:

First, the strains used for cultivation, the bacteria age is about 30 days, thick and thick white mycelium, there are light brown thick spores on the mycelium, unplug the tampon to smell the smell of straw mushroom. This strain is a high-quality strain, which is eaten quickly and grows well after sowing. If there are few chlamydospores, the hyphae are still young and can be used for a week.

Second, after more than 40 days of bacterial strain age, the aerial mycelium was overly dense, bacteria began to appear, and the surface appeared pale yellow. The chlamydospores are thick and reddish-brown, and their mycelium vigor is weakening. This strain is a medium-aged strain and can no longer be stored. Use it immediately, otherwise it will affect the yield.

Third, if the mycelium in the medium gradually becomes sparse, and the surface bacteria are yellowed, the chlamydospores spread over the material surface, the bacteria age exceeds 50 days, and the hyphae begin to shrink, belonging to old-age strains, and their viability has decreased significantly. It should not be used as a strain.

Fourth, yellow, green and black spots are found on any strain or tampon, indicating that the strain has been contaminated with bacteria. This type of bacteria is a poor quality strain and must not be used.

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