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Apple dwarf self-rooted rootstock big seedling scionstock integrated breeding method

A technology for dwarfing self-rooted stocks and dwarfing rootstocks, which is applied in directions such as botanical equipment and methods, horticulture, and cultivation, can solve problems such as low rootstock reproduction coefficient, low ratio, and long cultivation time of finished seedlings, and achieves improved rootstock reproduction. The effect of coefficients

Active Publication Date: 2017-04-05
XUZHOU INST OF AGRI SCI IN JIANGSU XUHUAI DISTRICT (JIANGSU XUZHOU SWEETPOTATO CENT)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both have common and insurmountable disadvantages, that is, rootstock and seedling cultivation belong to two different segments, the rootstock propagation coefficient is low, the finished seedling cultivation time is long, and the proportion of multi-branched dwarf self-root stock seedlings is relatively low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In the early winter of 2013, the original M9T337 (purchased from Ningbo Kemei Ecological Agriculture Technology Co., Ltd. in 2011) reserved 3 times the original number of branches after the division of the layering breeding nursery. The remaining branches should be evenly distributed in the row. Fertilization, the method of fertilization is: ditching at a distance of 30cm on one side of the rootstock propagation row, applying fully decomposed cow dung 300000kg / ha and mixing compound fertilizer 600kg / ha, the content of nitrogen, phosphorus and potassium in this compound fertilizer is 15%. Watering is required after fertilization, 10 liters per plant.

[0023] Topdressing was carried out at the beginning of March 2014. The amount of compound fertilizer per mu was 40kg. The content of nitrogen, phosphorus and potassium in the compound fertilizer was 15%. After topdressing, the annual branches reserved for propagation were pressed. The method of pressing branches is: take th...

Embodiment 2

[0035] In the early winter of 2014, after dividing the original M9T337 layering nursery, reserve 3 times the amount of the original remaining branches. The remaining branches should be evenly distributed in the row, and then fertilization should be applied in time. The method is to place 30cm away from the rootstock propagation row Ditch and apply 2000kg / mu of cow dung and 40kg / mu of compound fertilizer. The content of nitrogen, phosphorus and potassium in the compound fertilizer is 15%. Water immediately after fertilization, 8 liters per plant.

[0036] Topdressing was carried out at the beginning of March 2015, and the dosage per mu was 50kg of compound fertilizer (both nitrogen, phosphorus, and potassium content was 15%). After topdressing, the annual branches reserved for propagation were overwhelmed. 1 / 3 of the annual shoots are pressed from south to north, and the branches on both sides account for 1 / 3 of the total amount are respectively pressed between the rows on the s...

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Abstract

The invention discloses an apple dwarf self-rooted rootstock big seedling scionstock integrated breeding method The apple dwarf self-rooted rootstock big seedling scionstock integrated breeding method is specifically implemented in the way that during the breeding process, layering is carried out in advance to promote the generation of branches, the amount of reserved branches is three times that of original reserved branches after division of plants, layering is carried out in rows the next year, and the propagation area and propagation coefficient are increased; at the same time, grafting is carried out in the stock growing season, the aim that breeding, rooting and scion grafting of the dwarf stock are carried out in current year, scions germinate in the current year, and sprout and generate branches, the grafted seedlings can live through the winter normally is achieved, after the grafted seedlings are separated from the stock mother plant and are planted to the field, and after an annual growth season, the grafted seedlings generate branches to form big seedlings with multiple branches. Thus, compared with a conventional seedling growing mode, the apple dwarf self-rooted rootstock big seedling scionstock integrated breeding method is advantaged in that the quality bred seedlings can be greatly improved in unit time and the quantity of bred seedlings can be greatly increased in unit time.

Description

technical field [0001] The invention relates to a method for integrated breeding of apples with dwarfed self-root stock and large seedling stock, which belongs to the method of fruit tree seedling cultivation. Background technique [0002] Apple is a worldwide fruit variety with a wide range of cultivation, and it is also a fruit tree with the longest cultivation history. However, in the past 35 years, profound changes have taken place in the apple cultivation mode. Many developed countries have completed the transformation process from arborization and sparse planting to arborization and dense planting, and then to dwarf and dense planting. Japan and other developed countries in the apple industry have basically completed the transformation of the dwarf and dense planting intensive cultivation mode, and the apple dwarf dense planting intensive cultivation mode has become a cultivation technique commonly used in apple cultivation in developed countries. However, in my count...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G1/06
CPCA01G2/30A01G17/005
Inventor 赵林樊继德张梅李刚波张婷陆信娟李勇杨峰
Owner XUZHOU INST OF AGRI SCI IN JIANGSU XUHUAI DISTRICT (JIANGSU XUZHOU SWEETPOTATO CENT)
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