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Rooting and breeding method of interstocks of persea americana

A cultivation method and technology of avocado, applied in cultivation, application, grafting, etc., can solve the problems of weak disease resistance, difficulty in stable production, small fruit, etc.

Active Publication Date: 2020-05-29
赵志明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a method for rooting and cultivating intermediate stock of avocado, which aims to solve the problems of weak disease resistance, difficulty in achieving premature, high and stable production in the traditional avocado seedling raising method, especially the prominent contradiction between vegetative growth and reproduction, causing Severe physiological fruit drop, and the problems of small fruit, low yield, and large fruit size are very prominent

Method used

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  • Rooting and breeding method of interstocks of persea americana

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Experimental program
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Effect test

Embodiment 1

[0037] Screening the avocado seeds, sterilizing the screened avocado seeds, and preparing them for later use; stirring and mixing the seedling-growing soil with organic fertilizer to prepare nutrient soil, and put it into a nutrient bag with a height of 30 cm and a diameter of 10 cm; Push the sterilized avocado seeds down into the nutrient bag filled with nutrient soil, and plant the seeds to a depth of 2 / 3 of the total height of the avocado seeds, and water them after sowing; when the avocado seeds When the seedling grows to 30cm and the diameter of the young stem reaches 0.6cm, combine with the pre-selected intermediate disease-resistant rootstock for the first grafting treatment; when the seedling of the anvil grows to 10cm in height, cut the stem of the anvil at a height of 5cm; Use a grafting knife to make a longitudinal cut from the middle of the stem of the base stock, and the depth of the knife edge should be controlled within 3cm; trim the selected intermediate disease-...

Embodiment 2

[0039] Screening the avocado seeds, sterilizing the screened avocado seeds, and preparing them for later use; mixing the soil for raising seedlings with organic fertilizer to prepare nutrient soil, and put it into a nutrient bag with a height of 40 cm and a diameter of 20 cm; Push the sterilized avocado seeds down into the nutrient bag filled with nutrient soil, and plant the seeds to a depth of 2 / 3 of the total height of the avocado seeds, and water them after sowing; when the avocado seeds When the seedling grows to 40cm and the diameter of the seedling stem reaches 0.8cm, combine the pre-selected intermediate disease-resistant rootstock for the first grafting treatment; when the seedling of the anvil grows to a height of 12cm, cut the stem of the anvil at a height of 6cm; Use a grafting knife to make a longitudinal cut from the middle of the base stock stem, and the depth of the knife edge should be controlled within 3cm; trim the selected intermediate disease-resistant stock...

Embodiment 3

[0041] Screening the avocado seeds, sterilizing the screened avocado seeds, and preparing them for later use; mixing the soil for raising seedlings with organic fertilizer to prepare nutrient soil, and put it into a nutrient bag with a height of 40 cm and a diameter of 20 cm; Push the sterilized avocado seeds down into the nutrient bag filled with nutrient soil, and plant the seeds to a depth of 2 / 3 of the total height of the avocado seeds, and water them after sowing; when the avocado seeds When the seedling grows to 35cm and the diameter of the young stem reaches 0.8cm, combine the pre-selected intermediate disease-resistant rootstock for the first grafting treatment; when the seedling of the anvil grows to a height of 11cm, cut the stem of the anvil at a height of 5cm; Use a grafting knife to make a longitudinal split from the middle of the base stock stem, and the depth of the knife edge should be controlled within 3cm; trim the selected intermediate disease-resistant stock ...

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Abstract

The invention is suitable for the technical field of agriculture planting, and provides a rooting and breeding method of interstocks of persea americana. The rooting and breeding method comprises thesteps of implanting persea americana seeds in nutritive bags loaded with nutritive soil, performing watering, and when persea americana seed seedlings grow to 30-40cm and the diameter of young stems reaches 0.6-0.8cm, performing primary grafting treatment combining with intermediate disease-resistant stocks which are selected in advance; when the intermediate disease-resistant stocks survive aftergrafting and new sprouts of scions grow to 3cm or above, placing a metal ring or a nylon tensioning band at an appropriate position of the stalk of each intermediate disease-resistant stock; when thestalks of the intermediate disease-resistant stocks grow to 40-50cm, continuing loading the nutritive soil into the nutritive bags; and when the height of the persea americana plants reaches 60-80cmand root systems grow in the intermediate disease-resistant stocks, performing secondary grafting combining with cultivation varieties to be subjected to commercialization, so as to obtain survived new shoots. The obtained new shoots are high in survival rate, uniform in fruit size and high in disease resistance, and the objectives of performing putting in production in advance, being high in yield and stable in yield can be realized.

Description

Technical field [0001] The invention belongs to the technical field of agricultural planting, and particularly relates to a method for rooting and cultivating an intermediate stock of avocado. Background technique [0002] Avocado, also known as avocado and butter fruit, belongs to the genus Lauraceae Avocado. It is a tall deciduous tree with a spherical fruit, an open crown, many and dense branches, strong stems and nodules, often curved; the bark is thick, Irregular cracking. The fruit of avocado is a kind of fruit with high nutritional value. It contains a variety of vitamins, rich fatty acids, protein and high content of sodium, potassium, magnesium, calcium and other elements. It has been favored by more and more people. Healthy and fashionable new fruits. Avocado has been cultivated globally for hundreds of years, and it has not been introduced into my country for more than 60 years. In recent years, with the improvement of people’s living standards, more and more people...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G2/30
CPCA01G17/005A01G2/30
Inventor 赵志明
Owner 赵志明
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