What are the main varieties of Pleurotus ostreatus?
(1) Guangdong local variety of P. mongolica. Plant height 70-80 cm, spread 60-70 cm. Bulbs ovate, 5 cm high, 4 cm in diameter, skin and flesh are yellow-white. Each weighs 40-60 grams. Starch, bitter light, good taste. Not resistant to storage and transportation. 110-120 days from planting to harvest. The seedlings are raised with bulbs in February, planted in July and August, and harvested from December to February of the next year. The yield per mu is 1000 kg.
(2) White meat arrowhead plant height 70-75 cm, development 80 cm. Bulbs oblate, 4 cm high, 5 cm in diameter, white flesh, single weight 50-70 grams, fleshy more solid, slightly bitter, beautiful shape, high quality, storage and transportation resistance. It takes 110-120 days from planting to first harvest. The seedlings are raised with bulbs in February, planted in July and August, and harvested from December to March of the next year. The yield per mu is 1000-1200 kg.
(3) Guilin Sagittarius domestica endemic varieties in Guangxi. Strong growth potential. Bulbs round, pale blue skin white, white meat, terminal buds stout, a single weight of 40 grams. The meat is fine, the flavor is thick, the quality is good. The growth period is 200-210 days, and the yield per mu is 1250-1500 kg.
(4) Old black mushroom is also known as purple garden. A local variety of Baoying, Jiangsu, is now widely distributed throughout Jiangsu. Plant is thicker, stolon thickness is even. Bulbs suborbicular, 4-5 cm in longitudinal diameter, 4-4.5 cm in transverse diameter, weighing 20-30 g per unit. The skin is blue with purple, and the flesh is white. The quality is slightly coarse. The growth period is 180-190 days, and the yield per mu is about 1000 kg.
(5) Shen Dang Sagittarius originated in Haiyan, Zhejiang Province. Plant height 70-80 cm, spread 50-60 cm. Corm elliptic slightly flat, longitudinal diameter 5.5 cm, transverse diameter 4 cm, pale yellow skin, yellow white meat, tender meat, containing more starch, no bitterness, good quality, single weight 30-35 grams.
(6) Suzhou yellow mushroom originated in Suzhou, Jiangsu Province. The plant is taller and the plant shape is more open. Bulbs ovate, 5-5.5 cm tall, 3.5-4 cm in diam., individual weight 28-30 g. Yellow skin, yellow white meat, good quality. The growth period is 190-200 days and the yield per mu is 750 kg.
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Pleurotus ostreatus
Symptoms: mushroom stalk tissue is not full, there is a white loose pulp inside, the pulp shrinks or falls off into a hollow shape after drying or cooking. The cause: it is mainly due to improper water management. if the air humidity of the mushroom room is low, the soil layer humidity is low, especially the water content of the coarse soil layer is insufficient, the rapidly growing fruiting body will not be able to get sufficient water from the soil layer. furthermore, the transport and supply of nutrients will be reduced, coupled with the continuous evaporation of water in the mushroom body, which will result in a lack of water in the middle of the stalk and a lack of tissue.
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Technology of transforming cold storage into mushroom farm
Cold storage has good heat preservation and moisture retention, easy to control temperature and humidity, and weak light, which is more suitable for the growth and development of mushrooms. With a little modification of the original facilities in the library, the annual production of mushrooms can be realized, and it can be cultivated for 3 cycles in one year. 1 according to the temperature, the cold storage can be divided into high temperature storage (fruit cold storage) and low temperature storage (meat and aquatic products warehouse), and can be divided into ground storage and cave storage according to the construction site. These cold stores were originally designed and built to store fruits and vegetables, but their properties are not suitable for the cultivation of mushrooms, so
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