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Grafting method for cultivating single-branch strong seedling through pyrus betulaefolia large stock

A technology of rootstocks and stock stems, which is applied in the field of grafting to cultivate strong and strong seedlings by using large rootstocks of Du pear, can solve the problems of difficult cultivation, poor quality of seedlings, long slow seedling period, etc., and achieve the effect of quality improvement

Inactive Publication Date: 2014-08-20
HEBEI AGRICULTURAL UNIV.
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AI Technical Summary

Problems solved by technology

Most of the annual seedlings are used for planting in the garden. Due to the poor quality of the seedlings, the slow seedling period is long, the saplings grow slowly, and the number of branches is small, which delays the years of fruiting and high yield, and it is difficult to cultivate them into plants suitable for wide-row dense planting. "Slender and narrow crown" tree shape

Method used

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Embodiment Construction

[0013] From 2004 to 2012, in the process of establishing pear orchards with labor-saving, high-efficiency, and modern cultivation models in Gaoyang, Botou, and Linzhang, Hebei, large rootstocks were planted after the local soil thawed, the tree trays were leveled, watered, and covered with plastic film. The rootstocks were grafted with 'Xinli No. 7', 'Xueqing' and 'Hongxiangsu' varieties during the germination period. Single-bud split grafting is adopted, the grafting height is 30cm~40cm, and the grafted body is covered with a plastic tube bag after grafting. After grafting survived, when the temperature in the plastic cylinder reached 30°C, prick holes with a toothpick to release the air, and when the temperature exceeded 35°C, remove the plastic cylinder. After the seedlings survived, irrigate 4 to 5 times according to the soil moisture. In pear orchards with soil organic matter content < 2%, topdressing with chemical fertilizers 2 to 3 times during the growing season. Top...

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Abstract

Provided is a grafting method for cultivating a single-branch strong seedling through a pyrus betulaefolia large stock. In a planned pear garden, the pyrus betulaefolia large stock is selected, after soil unfreezing, planting is carried out, then grafting during a stock germination stage is carried out, and after grafting, a grafting body is effectively protected. After a seedling survives, field matching management measures are enhanced, and the single-branch strong seedling can be cultivated in autumn. The grafting method has a key effect on cultivating of a pear garden long, thin and narrow crown tree shape in a labor-saving, efficient and modern cultivating mode and early-stage fruiting and high yield.

Description

technical field [0001] The invention relates to a grafting method for cultivating strong, dry and strong seedlings by using the stock of Dadu pear. Background technique [0002] pear tree ( Pyrus spp. ) is a traditional dominant fruit tree in my country, ranking first in the world in both area and total output. However, there are problems such as late results, low yield, poor quality, high labor costs, and low operating efficiency of pear orchards in current production. Therefore, changing the pear tree cultivation mode, reducing labor costs, and improving the economic benefits of pear orchards are of great significance for maintaining the healthy and sustainable development of my country's pear industry. [0003] In the past, pear seedling cultivation in my country was mainly carried out in nurseries. Generally, thinner rootstocks (<0.8 cm) were used for bud grafting. The grafting site was about 5 cm away from the ground, and the seedlings would emerge from the nursery...

Claims

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Application Information

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IPC IPC(8): A01G1/06
Inventor 张玉星张建光许建锋王国英
Owner HEBEI AGRICULTURAL UNIV.
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