Harvest and processing of Asarum
Direct seeding Asarum can be harvested after 3-4 years, transplanting Asarum, such as 2-year-old seedlings; 3-4 years after planting, 3-year-old seedlings, 2-3 years after planting, currently, in order to harvest seeds, it can be delayed for 5-6 years, more seeds can be collected to expand seed direct seeding, and wild seedlings can be harvested 3 years after transplanting.
The harvest time of wild Asarum is from May to June, and the artificially cultivated Asarum has good harvest quality and high yield from August to September. After the collection and control of Asarum, clean the soil, every 10 plants into a small handful, twist into braids with rope, dry in a cool and ventilated place under the eaves, avoid watering or sun exposure, water washing leaves black, roots white, sun leaves yellow, all reduce the smell and affect the quality.
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Control of several common diseases of volvariella volvacea
The temperature of ① mushroom bud formation period is controlled at 25 ℃, and when the temperature drops below 20 ℃ in early autumn, cover the shed with grass curtain to keep warm; during the growth stage of ② strain, the light should be dim to prevent strong light stimulation and form mushroom bud prematurely; the grass should be tightly packed to facilitate the close connection of hyphae; during the growth period of ③ mycelium, rotenin and dichlorvos were sprayed around the culture material of the mushroom bed to kill pests such as Horse land and tide insects. ④ strains must be isolated or introduced year after year and preserved at a suitable temperature. ⑤ regularly sprinkles water on the border around the material block or irrigates the furrow to keep the bed moist.
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Control of Asarum's Diseases and Pests
Before emergence of seed in spring, spraying 500 times solution of 70% dixon on bed surface, and after emergence, spraying 500 times solution of 50% carbendazim to control seedling blight. Sclerotinia sclerotiorum mostly occurs in June and July. At the beginning of the disease, brown strip-shaped spots appear at the base of petioles, and after expansion, the aboveground parts lodge and die. in China now The germs spread to the roots. Cover the rhizome with black sclerotia. So that the roots rot and only the root bark remains. Its control method is: early spring in time to loosen the soil, improve the ground temperature, pay attention to drainage; found that the disease plant timely uprooted and destroyed
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