Seedlings are the foundation of afforestation. Buying seedlings is directly related to the survival, growth, yield and economic benefits of seedlings. In the spring, it was a crucial period for purchasing seedlings to enter the park. To guide the broad masses of farmers to buy good seedlings, the reporter interviewed expert expert of the newspaper and Wang Wanpeng, a researcher of the Changli Orchard Research Institute of Hebei Province, on February 12th. He said: In the purchase of quality seedlings to do nine attention.
Attention should be paid to the approval of competent authorities for the selection of breeds to be pure and suitable for the local natural environment conditions. In general, scientific research units and competent technical departments directly cultivate and introduce and promote varieties that are fine varieties.
Note that the seedling height and diameter of the seedlings of the seedling specifications should be above the national standard level, and the root system should be developed. There should be more lateral roots and fibrous roots, and the distribution should be even. Roots lose less water or lose water.
Note that the interface of the grafted seedling graft graft must heal firmly.
Pay attention to the development of buds. High-quality fruit tree seedlings must be filled with more than 6 full-filled leaf buds within the plastic belt above the fixed position to ensure good shoots after drying.
Pay attention to seedlings without damage to buy seedlings without mechanical damage. At the same time, during transportation and planting, damage must be prevented.
Pay attention to pests and diseases to choose quarantine proof, no pests and diseased seedlings.
Attention should be paid to the maturity of the seedlings with smooth epidermis and good maturity, so as to improve the survival rate of planting.
Pay attention to the water content of seedlings to buy fruit tree seedlings, should choose bark fresh, less water loss, wrinkle-free seedlings. After the selection, planting should be followed along with the transport and the bare period of seedlings should be shortened.
Pay attention to large seedlings with fetal soil for more than 3 years of fruit tree seedlings, should be brought up with seedlings (bag plastic bags), transportation and planting.
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