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Double-cropping cultivation method of summer black

A technology of summer black grapes and cultivation methods, applied in the field of viticulture, can solve the problems of inconsistent fruit ear size, low fruit setting rate, flower drop and fruit drop, etc., and achieve the effects of increasing fruit setting rate, compact fruit ears, and promoting early germination

Inactive Publication Date: 2017-07-14
李朝能
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem to be solved by the present invention is to provide a cultivation method for summer black grapes harvested twice a year, which can solve the problems of overlapping growth of two crops of fruit, prone to falling flowers and fruits, low fruit setting rate and inconsistent ear size, and improve the commercial fruit rate.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A kind of cultivation method of summer black grape harvested twice a year, concrete steps are as follows:

[0027] One crop production management

[0028] A. Tree vigor recovery: After the second crop fruit is harvested, spray potassium dihydrogen phosphate with a concentration of 0.1%, and the active ingredient content of potassium dihydrogen phosphate is P 2 o 5 ≥51.5% 、K 2 O ≥ 34%; if the tree vigor is slightly weak, 2 kg of medium and trace element water-soluble fertilizer with 20% nitrogen, phosphorus and potassium content per mu;

[0029] B. Pruning branches: After the leaves of the grape vines fall, pruning is carried out in late December, leaving 2 buds on each branch, and cutting off the rest;

[0030] C, sleep-destroying treatment: use a 15-fold solution of 50% cyanamide as an active ingredient to smear the 2 buds on the top of the branch for germination acceleration, and gently rub back and forth 2 times on the buds when smearing; after 3 to 5 days after t...

Embodiment 2

[0050] A kind of cultivation method of summer black grape harvested twice a year, concrete steps are as follows:

[0051] One crop production management

[0052] A. Tree vigor recovery: After the second stubble fruit is harvested, spray potassium dihydrogen phosphate with a concentration of 0.3%, and the active ingredient content of potassium dihydrogen phosphate is P 2 o 5 ≥51.5% 、K 2 O ≥ 34%; if the tree vigor is slightly weak, apply 3 kg of medium and trace element water-soluble fertilizer with 20% nitrogen, phosphorus and potassium content per mu;

[0053] B. Pruning branches: After the leaves of the grape vines fall, pruning is carried out in late December, leaving 3 buds on each branch, and cutting off the rest;

[0054] C, sleep-destroying treatment: smear the 3 buds on the top of the branch with a 20-fold solution of cyanamide with an active ingredient of 50%, and gently rub back and forth 3 times on the buds when smearing; after 3 to 5 days after the germination, ...

Embodiment 3

[0074] The difference between this embodiment and Example 1 is that in the production management of a crop of fruit, step F and fruit expansion treatment: 12 days after step E is completed, the fruit expansion liquid is sprayed on the ears, and the fruit expansion liquid is 0.1% active ingredient Forchlorfenuron was prepared as a solution with a concentration of 4ppm. Step f and fruit expansion treatment in the production management of the second stubble fruit: 12 days after step e is completed, the fruit expansion liquid is sprayed on the fruit ears, and the fruit expansion liquid is prepared into a solution with a concentration of 4 ppm of forchlorfenuron with an active ingredient of 0.1%. All the other features are the same as in Example 1.

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Abstract

The invention discloses a double-cropping cultivation method of summer black and relates to the technical field of grape cultivation. The double-cropping cultivation method of the summer black comprises the following steps: A, after harvesting of the first crop, spraying an azoxystrobin 1500-times solution with the effective ingredients of 25%, and then spraying monopotassium phosphate with the concentration of 0.1-0.3%; B, from late June to early July, trimming semi-lignified branches and reserving 9-10 buds on each branch; C, applying a 15-30-times solution of cyanamide with the effective ingredients of 50% to 2-3 buds at the upper part of each branch to accelerate germination; D, after repeated new shoot extraction, shearing shoots, reserving a leaf at the upper part of an inflorescence, and pinching; E, soaking flower spikes in a flower promoting and fruit retaining solution and gently swaying; and F, soaking the flower spikes in a fruit swelling solution, and gently swaying. Compared with the prior art, the double-cropping cultivation method of the summer black has the advantages that the two crops of fruit grow in a non-overlapping manner, so that the yield and the quality of the two crops of fruit are improved; and the flower promoting and fruit retaining measures are taken to reduce drop of flowers and fruit, the fruit setting rate is high, fruit swelling treatment ensures that the flower spikes are unified in size and shape, and the commercial fruit rate is high.

Description

technical field [0001] The invention relates to the technical field of viticulture, in particular to a cultivation method for harvesting summer black grapes twice a year. Background technique [0002] The southeastern part of the Guizhong Basin in my country is located between 23°54'30"N to 24°29'00"N and 108°54'40"E to 109°44'45"E. It has a subtropical monsoon climate with an average annual temperature of 20.4°C. The annual average rainfall is 1400-1700 mm, the annual average sunshine is more than 1600 hours, the rainfall distribution is relatively uniform and abundant, the sunshine is sufficient, the annual effective accumulated temperature reaches 6600 ℃, and the frost-free period reaches more than 300 days, which is conducive to the application of the cultivation technology of two harvests a year . The flesh of Xiahei grape is hard and crisp, without sac, the juice is purple, and the soluble solid content is 20%. It is an early-maturing seedless variety. In order to incr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/02A01C21/00
Inventor 李朝能
Owner 李朝能
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