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Cultivation method for improving fruit quality of grapes for wine production by using carbamide

A cultivation method and grape technology, which is applied in the field of wine grape cultivation, can solve the problems of urea concentration and technical reports that have not been seen in the period, and achieve the effect of excellent quality index and uniform distribution

Inactive Publication Date: 2013-06-12
QILU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no technical report on the concentration and time of urea that should be sprayed for fruit thinning and production limitation for wine grapes.

Method used

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  • Cultivation method for improving fruit quality of grapes for wine production by using carbamide
  • Cultivation method for improving fruit quality of grapes for wine production by using carbamide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1: wine grape cultivation process

[0015] From May to October 2012, it was carried out in the Xingang grape base of COFCO Great Wall Wine (Yantai) Co., Ltd., Penglai City, Yantai City, Shandong Province. The soil fertility and tree nutrition level of the base are above average, and the fertilizer and water conditions are good. The tested variety was Eurasian wine grape Cabernet Sauvignon ( Vitis viniferal L., Cabernet Sauvignon ), planted in 2005, in a north-south direction, with a plant-to-row spacing of 0.8m×2.0m, single-stem and single-arm shaping, and conventional field management. Two flower spikes are reserved for each fruiting shoot of the wine grape fruit tree, and urea with a concentration of 10%, 50%, 100%, young fruit stage, and color change stage are used respectively in water, 1%, 2%, and 3% Spray until the flower spikes drip.

Embodiment 2

[0017] Before grape flowers and fruit ears are processed, first count all the flowers or fruit grains on the flowers or fruit ears and record them. After 28 days of processing, count the remaining grains of the ears again, and calculate the fruit drop rate of this treatment. The results are shown in the table below. The results showed that using 2% urea when the flowering rate was 10% could make the ear drop rate reach 48.4%.

[0018]

Embodiment 3

[0019] Example 3: Determination of Main Quality Indexes of Wine Grape Fruit

[0020] After the wine grape fruit is ripe, the main quality indicators of the fruit include: reducing sugar, total acid, total anthocyanin, total phenol, tannin and pH of the fruit. The results are shown in the table below.

[0021]

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Abstract

The invention belongs to the technical field of cultivating grapes for wine production, and particularly relates to a cultivation method for improving fruit quality of grapes for wine production by using carbamide. According to the cultivation method, a breed of grapes for wine production is taken as an object, and the cultivation method is characterized in that the grapes for wine production are planted according to rows directing from the south to the north, trimming into a single stem and a single arm is carried out, routine field management is adopted, two flowers are reserved on each new fruit bearing tip of a fruit tree of the grapes for wine production, and when a blossom rate reaches 10 percent, carbamide solution is sprayed on the flowers until water on the flowers drops. According to the cultivation method, carbamide with an appropriate concentration is sprayed in a suitable period, fruit particles of the grapes for wine production can be enabled to be dense but not crowded, the distribution is uniform, the cultivation method can be used for replacing a current production limiting method of manually removing fruit particles, micro-area environmental conditions of a local temperature, humidity, sunshine and the like of fruit particles are improved, and various quality indexes of the grapes for wine production are enabled to be more excellent.

Description

(1) Technical field [0001] The invention belongs to the technical field of wine grape cultivation, in particular to a cultivation method for optimizing the fruit quality of wine grapes using urea. (2) Background technology [0002] The quality of wine grapes is the result of the interaction between its own internal factors and external environmental conditions, and it is also the fundamental factor that determines the quality of wine. For a specific wine grape variety, its final quality is mainly determined by the external environmental factors, which include natural factors such as climate, topography, soil, and light, as well as human factors such as cultivation methods and management levels. [0003] There are many reports at home and abroad about natural factors affecting wine quality, but the natural environment, especially climate and light, cannot be controlled or the cost of control is too high in production practice; It is more effective and feasible to improve...

Claims

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Application Information

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IPC IPC(8): A01G17/02
Inventor 赵新节韩宁张家荣刘品何刘胜
Owner QILU UNIV OF TECH
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