Method for raising seedlings of schisandra chinensis in protected land
Direct seeding in open field usually takes two years to raise seedlings in places with short frost-free period. the purpose of raising seedlings in the same year can be achieved by using the method of raising seedlings under the protection of nutrition bowl and then transplanting them in the open nursery. In early April, plastic sheds or medium-sized arched sheds similar to rice seedlings were buckled. The nutritious soil in the paper cup was watered thoroughly before sowing, and Dianmiaoling was mixed into the subsoil and covered soil during sowing. After sowing, combined with watering, 800-1000-fold ammonium was sprayed. Sow 2-3 seeds in each paper cup, cover the soil 2 cm thick, maintain humidity after sowing, usually water once every 2-3 days, and shade the seedlings for 20 days.
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Schisandra chinensis sowing and seedling transplanting
⑴ Seedling Field selection Seedling Field should choose loose and fertile humus soil or sandy loam, flat and sunny terrain, good drainage and irrigation conditions for ploughing, Harrow at the same time apply farm fertilizer, 1-2 tons / mu, and then make a border bed with a width of 1-1.2m and a height of 15cm, cuddle flat the bed, and then sow seeds. The sowing time and method of ⑵ are generally spring sowing. The treated seeds are sown from mid-April to mid-May with a row spacing of 10-15 cm, a furrow depth of 5-6 cm, a sowing rate of 5-8 kg per mu and a soil cover thickness of 2.
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Powdery mildew of Schisandra chinensis
1. Disease symptoms: powdery mildew harms the leaves, fruits and shoots of Schisandra chinensis, among which young leaves and young fruits suffer most seriously. It often causes dry leaves, withered shoots and shedding fruits. In the early stage of leaf damage, needle-like spots appeared on the back of the leaf, which was gradually covered with a layer of white powder and extended to the whole leaf in severe cases. The diseased leaves change from green to yellow, curl up, wither and fall off. The disease of young fruit begins near the ear axis, and when it is serious, it gradually extends outward to the whole ear; the diseased fruit wilts and falls off, and black and brown spots appear on the pedicel and new shoots. In the later stage of the disease
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