Non-pollution characteristics and non-pollution varieties of shepherd's purse

May 11, 2022

Pollution-free characteristics of shepherd's purse The main root of shepherd's purse is relatively developed, and the growth of fibrous root is weak, white, and not suitable for transplanting. During the vegetative growth period, the stems are shortened, and the leaves grow on the shortened stems. The leaf clumps are slumped, green or light-colored, and the leaves are hairy, pinnately deeply divided or completely divided. The seeds are small, ovoid, golden yellow, and have a long dormancy period after they mature. Shepherd's purse is hardy and grows well in cold climates. The suitable temperature for seed germination is 20℃～25℃, the suitable temperature for vegetative growth is 12℃～20℃, the temperature is about 15℃, the growth rate is fast, and it can be harvested about 30 days after sowing; the temperature is lower than 10℃, the growth is slower. Harvest is about 45 days after sowing; the temperature is above 22 ℃, not only grows slowly, but also has poor quality. Shepherd's purse can tolerate a short-term low temperature of -7.5°C, and the plants will not suffer from freezing damage below -5°C. The sprouted seeds or seedlings of shepherd's purse can pass the vernalization stage in 10-20 days under low temperature conditions of 2℃-5℃, bolting and flowering can be achieved under 12 hours of light and air temperature of 12℃. Shepherd's purse has high requirements for soil fertility and moisture. It is planted on a fertile, loose, water-retaining and fertile soil. Shepherd's purse has tender leaves, high yield and good quality. Pollution-free shepherd's purse 1. The shepherd's purse currently cultivated in production includes shepherd's purse and other varieties. The plant has about 18 leaves. The leaves are light green, the edge of the leaf is pinnately cut, and the surface of the leaf is slightly hairy; the color of the leaf becomes darker after feeling the low temperature. Shepherd's purse has strong cold resistance and heat resistance, rapid growth, early maturity, high yield, and the growth period is about 40 days. Due to the wide blades and good appearance, they are welcomed by the market. But the winter nature is weak, bolting and flowering in spring cultivation is earlier. 2. Shepherd's purse, also known as shepherd's purse or shepherd's purse. The leaves are narrow, short, and grow on the ground. Adult plants have about 20 leaves. The leaves are green, the edge of the leaf is pinnately deep, and the leaf surface is more hairy. After feeling the low temperature, the leaf color becomes darker and purplish. The cold resistance is slightly weaker than the shepherd's purse, but the heat resistance and drought resistance are stronger, and the winter resistance is also stronger. In spring cultivation, bolting is late, and the growth period is about 40 days, which is suitable for spring cultivation; the leaves are soft, less fiber, and strong in fragrance.

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