When is the grafting survival rate of chestnut high?

Generally speaking, the suitable time for chestnut grafting is March-April in spring, before the tree buds begin to sprout and the leaves begin to spread. Grafting is accomplished by cutting off the top half of the rootstock to flatten the cross section, splitting the rootstock vertically in the middle with a cleaver, cutting a large facet along both sides with a knife and quickly inserting it into the crack of the rootstock. After grafting chestnut, attention should be paid to strengthening fertilizer and water management and pest control.

Grafting time of chestnut

Generally speaking, the suitable time for Chinese chestnut grafting is from germination to leaf development, and the best time for Chinese chestnut grafting is from the stage of fright to Grain Rain.

Generally speaking, the grafting of chestnut is best done within 20 days from March to April in spring, because nutrition will go from roots to branches at this time, and the survival rate is high at this time.

Grafting method of chestnut

There are two methods for grafting chestnuts: branch grafting and budding with wood. Grafting is mainly carried out in this way, with a blade, a large section is cut along both sides of the rootstock, and the thin section is quickly inserted into the crack of the rootstock and finally tied up.

Grafted chestnut rootstock

Castanea mollissima mainly adopts sowing and grafting, such as Castanea henryi, Quercus variabilis, Quercus acutissima and Quercus poland, which are excellent rootstocks of FAGACEAE plants and can also be grafted. Because they all belong to FAGACEAE, they have good affinity and high survival rate.

Maintenance of Chestnut after Grafting

Chestnuts should be bound with brackets to prevent the wind from breaking the ears. The length of the bracket is more than 30 cm. Pull out the sprouting tillers on the rootstock in time, pay attention to strengthening the management of fertilizer and water, and prevent and control pests and diseases.