How to choose large cherry seedlings?
1. Select appropriate varieties: consider the economic characteristics of the varieties and choose large and high-quality varieties; selection of varieties suitable for local climatic conditions; According to the market situation, the proportion of early, middle and late maturing varieties is comprehensively considered.
2. Select suitable rootstocks: suitable rootstock varieties have good grafting affinity and soil fixation with scion varieties, have strong adaptability to land conditions and climate characteristics, and can improve cherry yield and quality. The rootstocks that are more widely used in the production of large cherries include Daqingye, Mahali, Court, Northeast Mountain Sakura, ZY-1 and Gisela dwarf series rootstocks.
3. Choose high-quality strong seedlings: It is recommended to use seedlings with a height of 150 cm, a base thickness of more than 1 cm, no glue flow on the branches, a developed root system, and no nodules.
4. Check whether the seedlings are frozen: the overwintering false planting is very susceptible to frost damage, and the branches can be cut off, if the section becomes brown, it means that the frozen seedlings are frozen, and the survival rate of the seedlings is low.
5. Check whether the root system is mildew: when overwintering false planting, the density is too large or the false planting is too early, and the roots are prone to mildew. The epidermis of normal seedling roots is fresh in color; The skin of the mold root is brown or black-brown and cracks at the touch.
6. Check whether the seedlings are dehydrated: normal seedlings have rounded branches, green sections, and soft and cool touches; The branches of the dehydrated seedlings are shrivelled, the section is white, the feel is straight and hard, and the survival rate is low.
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