What kind of rootstock is commonly used for chestnut seedlings? What are the characteristics? Chestnut production in the north is traditionally dominated by seedlings. Most of them have now switched to grafting and the rootstocks are seedlings.
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The types and characteristics of commonly used rootstocks are as follows: (1) Real chestnut: Use ordinary chestnut seeds to cultivate rootstock seedlings. China's northern provinces and Hubei, Jiangsu and other provinces are common. It is characterized by strong grafting affinity, strong growth, good root development, resistance to drought and barrenness, and resistance to root-carotid diseases. The disadvantage is poor resistance. (2) Wild chestnut: It is a native species of chestnut. In the hilly areas of the southern provinces, traditional chestnuts are traditionally used as rootstocks. With chestnut grafting affinity, strong growth, dwarf tendency, suitable for close planting. The disadvantage is that the tree tends to be weak, the trunk is easy to empty, the life span is short, and the yield per plant is low. Castanea henryi and Castanea henryi: It can be used as rootstock, but it has poor affinity and low survival rate and cannot be used in production. 
