Chestnut Scion Collection and Storage

Chestnut Scion Collection and Storage

In order to increase the yield and increase the profitability of chestnut, it is necessary to change the inferior ones and do a good job of grafting. To improve the survival rate, chestnut scion collection and storage is very critical, mainly to grasp the following three links: 1, excellent time: chestnut scion collected too early, due to high temperature, rapid evaporation of water, easy to mold, poor storage, survival rate Low; Collected too late, chestnut scion moisture increased, consume nutrients, unfavorable healing of grafted parts. The best collection time for chestnut scions is from late December of the current year to early February of the coming year. 2. Gathering the best: collect the annual branch with strong tree vigor, resistance to fruiting, moderate fruit, bright fruit, no pests and diseases, and full shoots. According to the strength of the tree to be grafted, the size of the crown to grasp the thickness and length of the scion. Should generally be 15 cm is appropriate, each scion should have 2 to 3 buds, remove the inferior ear. For saplings planted with dense planting early morning shoots, shoots with flower buds at the top of the shoots are used as scion, and some of them can be produced in the same year after grafting. For a tree that is rejuvenated and has a vigorous tree growth, it is necessary to choose a thick scion and a full leaf bud at the base for scion to promote the lush growth of fruit trees. 3, excellent storage: After collecting the scion short, dilute the paraffin water to dip, but the wax should not be too high temperature, it should be appropriate to open the paraffin wax, dip dip operation must be quickly skilled, slightly slow It is possible to scald the scion and reduce the quality. You can use tweezers to hold a piece of cake or a piece of cake. You can pick two pieces of food or you can "roll and roll" it. This can seal and retain water. The bundled scions are then bundled and buried in the fine sand of the cellar; it is also possible to wrap the scion with a plastic film, and then tie it tightly with a rope and lay it flat in the cellar. The scion collected and stored in this way is as fresh as ever, and when the graft is used later, the general survival rate is above 98%.

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