1. Rootstock should be sown 5 days later than the scion. After the seeds of the scions and rootstocks were soaked and germinated, the scions and rootstock seeds were sowed in succession in a nutritious bowl. The anvils were sowed in the center, and the scions were sown at 1-2 cm from the rootstock, which were managed according to conventional breeding.
2. Two leaves of the seedlings of the rootstock and scion are spread out. When the true leaves are exposed, they are suitable for grafting. Generally, the scion is planted for 15 days, and the rootstock is planted for about 10 days for docking.
3, when grafting, first use the blade to remove the growing point of the rootstock, and then cut the blade from the top to the bottom 0.5-0.6 cm below the anvil leaf side of the rootstock. The slope of the interface is 0.5-0.8 cm long and the depth is 1/3 of the stem. The scion cuts from the bottom to the top in the same position. The incline of the incision is the same as that of the rootstock, and the depth is 1/2-1/3 of the stem diameter.
4. The rootstock and scion incisions are fitted together, fixed with a grafting rake, and the scion hypocotyls are cut after survival.
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