Longan heavy retractive pruning tree flower-formation promoting method

A technology of re-shrinking and longan trees, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of excessive vegetative growth, difficulty in flowering and fruiting, etc., and achieve reasonable internodes, thick branches, high yield and high efficiency Effects of Cultivation Patterns

Inactive Publication Date: 2015-09-16
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the longan is retracted and pruned, it is prone to excessive vegetative growth, and it is difficult to bloom and bear fruit in the next year

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The test site is Lingxueqian Longyan Garden in Jufeng Village, Dongluo Town, Fusui County, Chongzuo City, Guangxi. The original planting area of ​​longan was 7 mu, the spacing between plants and rows was 4m×4m, the plants were tall and airtight, and the crown management such as spraying, pruning, and picking was difficult and inefficient. At the beginning of 2012, the method of the present invention was adopted to carry out "flat head type" retraction pruning and branch regulation to promote flowering; the contrast orchard was conventionally retracted and pruned trees.

[0022] Test results: In 2013, the flowering and fruiting plant rate reached over 90%, the yield was 4900kg, with an average yield of 700kg per mu; in 2014, the yield reached 7532kg, with an average yield of 1076kg per mu. In contrast, the longan tree plants in the control orchard grew vigorously, with strong elongated branches, insufficient nutrient accumulation, and almost no flowers in the next year. ...

Embodiment 2

[0024] The test site is Huang Feiquan Longan Garden, Beiyao Farm, Longzhou County, Chongzuo City, Guangxi, with an area of ​​8 mu. The variety is Shijiao. It was planted in 1997. The spacing between plants and rows is 4m×5m. The plants are tall and airtight (the tree height is more than 4.5m). Retracement pruning was carried out according to the traditional method to reduce the canopy, improve the light of the orchard, and improve the yield and quality. The result was that after the retracement pruning, the branches grew too vigorously in the second year and could not bear fruit. In 2010, they retracted again Pruning, still growing too vigorously, the flowering and fruiting rate of plants is less than 30%, and the orchard is stepping into "the tree is too tall - shrink back and prune - vigorous growth does not bloom and bear fruit - shrink again and prune again - excessive growth does not bloom and bear fruit again "in a vicious circle. In the spring of 2012, according to the ...

Embodiment 3

[0027] Test place is 45 mus of longan gardens (contracted by Mr. Du Wanjin, one of the inventors of this application) in the village of Taiping Town, Jiangzhou District, Chongzuo City, Guangxi. The tree body of this longan garden is tall and airtight (more than 4.5m in tree height) ), on April 21-30, 2014, the technology of the present invention was adopted to carry out "flat head type" retraction pruning and branch tip regulation and flower promotion to the longan tree in the garden on April 21-30, 2014;

[0028] Result: By 2015, the flowering rate of the longan tree treated by the method of the present invention will reach 95%, and the fruit-bearing condition is good at present, and the fruiting yield per plant is expected to reach 30-50 kg, reaching a very high yield level.

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PUM

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Abstract

The invention belongs to the technical field of fruit culture technologies, and particularly relates to a longan heavy retractive pruning tree flow-formation promoting method. The longan heavy retractive pruning tree flow-formation promoting method is characterized by comprising the following steps that 1, a flat-end-type pruning method is adopted for highly retracting a longan tree; 2, branches are thinned out and shoots are determined after first-time shoots are matured to form a fruiting mother shoot unit formed by third-time and fourth-time shoots; 3, during the shoot growth period, biological organic nutrition solution fertilizer is sprayed on leaves two to three times; 4, after the last shoots are matured, leaf fertilizer and biological organic nutrition solution fertilizer are sprayed; 5, multi-effect triazole liquid is sprayed on the last shoots; 6, a trunk is girdled for flower promoting and shoot controlling; 7, when spring buds germinate, the biological organic nutrition solution fertilizer is used for spraying leaves two to three times. According to the longan heavy retractive pruning tree flow-formation promoting method, heavy retractive control is adopted for pruning sturdy shoots, internodes are reasonable, branches do not excessively grow, heavy retractive pruning in the current year is achieved, a large amount of flowers are formed and a large number of fruits are borne in the next year, and the flower forming and fruit bearing plant rate can reach more than 90%.

Description

technical field [0001] The invention belongs to the technical field of fruit tree cultivation, and in particular relates to a method for pruning and pruning longan trees to promote flowering. Background technique [0002] Re-shrinking pruning is an effective method to fundamentally transform longan closed gardens where the tree body is too tall, usually above 4.5m, with too many branches, severe decline of the last shoot, cross-shaded tree body, and thin green leaf layer. However, after the longan is retracted and pruned, the tree body tends to grow vigorously, the branches are very elongated, and the nutrient accumulation is insufficient, so it is difficult to bloom and bear fruit in the next year. In the vicious cycle of shrinking pruning again - vigorous growth without flowering and fruiting - shrinking back again and pruning again - excessive growth without flowering and fruiting again". If it is retracted in the same year and cannot bear fruit immediately in the next y...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01G17/00
CPCA01G17/005A01G7/06
Inventor 徐炯志杜万金潘介春方中斌杨娟周歧伟
Owner GUANGXI UNIV
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