Application method for promoting female flower differentiation of lichi trees

A technology of lychee tree, female flowers, applied in the field of agriculture

Inactive Publication Date: 2014-06-25
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Low and unstable production generally exists in production, which seriously restricts the production and development of litchi

Method used

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  • Application method for promoting female flower differentiation of lichi trees
  • Application method for promoting female flower differentiation of lichi trees

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] On November 27, 2009, the Yuanhong variety was planted in a lychee orchard in Fuzhou for 15 years. A plot with the same soil fertility, sunlight and other environmental conditions as far as possible was selected as a test.

[0017] Choose a tree with a circumference of 0.42 meters and a crown of 5.0 meters, and the number of the crown is 1; drill a hole at a 45° angle at a distance of 1.1 meters (fork at 1.3 meters), with a depth of 2 cm and a diameter of 5 cm, and drop 350 ml of ethephon solution, drop The liquid velocity is 10 ml / h; the mass concentration of ethephon solution is 600 mg·L -1 , choose a hanging drop of pure water 350ml adjacent to it as a control group, numbered 2.

[0018] Choose another tree with a circumference of 0.38 meters and a crown of about 4.5 meters. The number of the crown is 3; drill a hole at a 45° angle at a distance of 1.1 meters (fork at 1.3 meters), with a depth of 2 cm and a diameter of 5 cm, and drop 350 ml of ethephon solution , th...

Embodiment 2

[0023] On November 23, 2009, the Yuanhong variety was planted in a lychee orchard in Fuzhou for 20 years. A community with the same soil fertility, sunlight and other environmental conditions as far as possible was selected as a test.

[0024] Choose a tree with a circumference of 0.60 meters and a crown of 8.3 meters, and the number of the crown is 1; drill a hole at a 45° angle at a distance of 1.3 meters (fork at 1.5 meters), with a depth of 5 cm and a diameter of 6 cm, and drop 500 ml of ethephon solution. The mass concentration of ethephon solution is 1000 mg·L -1 , choose a hanging drop of 500ml of pure water adjacent to it as a control, numbered 2.

[0025] Choose another tree with a circumference of 0.75 meters, a crown of 10.4 meters, and a tree crown number of 3; drill holes at a 45° angle at a distance of 1.5 meters (forks at 1.8 meters), with a depth of 5 cm and a diameter of 6 cm. Set a set of 500ml on each side Hanging drop device, a total of 1000ml hanging drop...

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Abstract

The invention discloses an application method for promoting female flower differentiation of litchi trees. In the amphiprotic period of litchi flowers, the application method includes dripping ethephon solution to the litchi trees via a liquid hanging method. Ethylene is endogenous hormone of plants and has the functions of promoting female flower differentiation, suppressing male flower development, controlling treetop growth, reducing nutrient translocation and waste and increasing yield. The ethylene is artificially synthesized chemical modifier and can be absorbed by the plants in vivo to be released in functioning. Therefore, via dripping the ethephone solution to the litchi trees via the liquid hanging method, female flower differentiation of the litchi trees is effectively adjusted, and an important reference mode is provided for production development of the litchi.

Description

technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to the application of a chemical regulator-ethephon in promoting the differentiation of litchi tree female flowers and controlling the growth of spring shoots. Background technique [0002] litchi( Litchi chinensis Sonn. ) is native to my country and has a cultivation history of more than 2,000 years. It is one of the main specialty fruits in the southern subtropical zone. Litchi is a monoecious tree species with different flowers. It has a large amount of flowers in the first batch, and most of them are male flowers. The flowers are not fruitful and consume a lot of nutrients, which makes the fertilized ovary at a disadvantage in the competition for nutrients, resulting in serious flower drop. Fruit drop phenomenon. Low and unstable production generally exists in production, which seriously restricts the production and development of litchi. Many scholars at hom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/06
Inventor 王湘平苏金为
Owner FUJIAN AGRI & FORESTRY UNIV
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