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Cultivating method for promoting flower bud differentiation of grape sublateral shoot bases

A cultivation method and grape technology, applied in the directions of cultivation, horticultural methods, botanical equipment and methods, etc., can solve the problems of poor control of grape auxiliary shoot growth, consumption of nutrients, and poor flower bud differentiation, etc., and achieve the effect of improving flower bud differentiation rate.

Pending Publication Date: 2020-05-12
CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most farmers cut off the auxiliary shoots according to the conventional pruning method, resulting in vigorous tree vigor, fast vegetative growth, poor differentiation of flower buds, etc.; at the same time, it takes a lot of labor to process the auxiliary shoots
An important reason for these problems is that the growth control of grape subshoots is poor in summer, which not only consumes a lot of nutrients, but also causes greater losses due to the closed canopy prone to disease and insect pests.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The planting parameters are: soil pH is 6.3, the furrow width is 35cm, the furrow depth is 45cm, and the distance between rows in the furrow center is 1.8m. In January 2018, the 1-year-old seedling grafted grape seedlings of the Kelunsheng variety were selected for planting (this variety was used in the full text examples and comparative examples), with a plant spacing of 1.8m. Keep the soil moisture around 60%.

[0042]In the first ten days of February, that is, before the grape seedlings germinate, apply about 4 tons of clear water per mu. After the shoots germinate, fix the new shoots on the trellis, select the thick new shoots to cultivate as the main vine, and cultivate one main vine for each seedling. When the main shoot grows to 60cm, the heart is topped, and the top 2 auxiliary shoots (named: the first auxiliary shoot) are kept to grow upright, and all other auxiliary shoots on the main vine are erased. When the two first auxiliary shoots grow to about 80cm re...

Embodiment 2

[0051] 1. Plant according to the above method, and the planting place is: Jiaojia Village Vineyard, Xining, Xichang. The various planting parameters are: soil pH is 7.1, furrow width is 35cm, furrow depth is 55cm, and distance between rows in the furrow center is 1.8m. In January 2018, one-year-old grafted grape seedlings of the Kelunsheng variety were selected for planting, with a plant spacing of 1.8m. Keep the soil moisture around 70%.

[0052] In the first ten days of February, that is, before the grape seedlings germinate, apply about 5 tons of clear water per mu. After the shoots germinate, fix the new shoots on the trellis, select the thick new shoots to cultivate as the main vine, and cultivate one main vine for each seedling. When the main shoot grows to 60cm, the heart is topped, and the top 2 auxiliary shoots (named: the first auxiliary shoot) are kept to grow upright, and all other auxiliary shoots on the main vine are erased. When the two first auxiliary shoots...

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Abstract

The invention belongs to the field of grape planting, and particularly relates to a cultivating method for promoting flower bud differentiation of grape sublateral shoot bases. The specific technicalscheme adopted by the invention lies in that the cultivating method comprises the steps of selecting thick new shoots to be cultured as main vines, when main vine shoots grow to 50-60cm, performing pinching, reserving 2 sublateral shoots at distal ends as first sublateral shoots, and wiping away other sublateral shoots on the main vines; when the first sublateral shoots grow to 80cm, performing pinching once again; respectively pressing down the first sublateral shoots, and fixing the pressed-down first sublateral shoots to the ground in an opposite direction to be used as fruiting vines; reserving 6-8 second sublateral shoots growing on the fruiting vines, remaining 5-7 leaves, performing pinching, and wiping away extended shoots; wiping away all the sublateral shoots on the second sublateral shoots, and remaining 5-7 leaves; and after winter pruning, trimming the second sublateral shoots, and only reserving one bud at each second sublateral shoot base. When the cultivating method provided by the invention is used, the flower bud differentiation rate can be effectively increased, and flower bud differentiation is facilitated to form fruit clusters.

Description

technical field [0001] The invention belongs to the field of grape planting, and in particular relates to a cultivation method for promoting flower bud differentiation at the base of grape accessory shoots. Background technique [0002] In recent years, the table grape industry has developed rapidly, the planting area has continued to increase, and there are many varieties. Many varieties are characterized by the differentiation of flower buds from medium and long shoots, and keeping too long shoots not only wastes a lot of nutrients, but also increases a lot of labor for the treatment of shoots. At the same time, the requirements for pruning in winter are relatively high, which has caused many planting bases to keep branches and buds too long, which increases the workload of wiping buds and shooting shoots in the second year. Due to unreasonable cultivation techniques, grape management is difficult, and high-quality, high-yield and stable-yielding tree types cannot be forme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/02A01G7/06
CPCA01G7/06A01G17/02
Inventor 丁建林向双
Owner CHENGDU INST OF BIOLOGY CHINESE ACAD OF S
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