Cultivation method for making ginkgo leaf color change in advance

A cultivation method and technique for ginkgo leaves are applied in the field of cultivation for making ginkgo leaves change color in advance, can solve the problems of premature leaf senescence, poor resistance, defoliation and the like, and achieve the effects of good popularization feasibility and easy operation.

Inactive Publication Date: 2017-06-20
AGRI ENG INST ANHUI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ginkgo is a fleshy root. Although it has strong adaptability, it has poor resistance. Often due to rainfall and drought, the leaves will prematurely senile, causing the leaves to turn yellow in advance and even fall.

Method used

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Embodiment Construction

[0017] A cultivation method for changing the color of ginkgo leaves in advance: specifically, selecting healthy ginkgo plants with a DBH of 8-15 cm without excavating planting holes, and using a ratio of "25-30% yellow sand + 20-30% barnyard manure + 20-30 % topsoil + 20-30% decomposed straw + 0.03-0.05% cross-linked polyacrylamide" substrate, and use cone-shaped mound soil to plant ginkgo trees with a row spacing of 3.5-4.5 m × 3.5-5.5 m.

[0018] At the beginning of March every year, apply 150-300 g of urea to multiple points on each plant to cultivate healthy leaves. In mid-September, in case of rainfall, use plastic sheeting and other rain shelters to reduce the water content of the above substrate to 18-26%, and apply drought stress for 15 days to accelerate the degradation of chlorophyll. Ginkgo leaves can be advanced to October 1st When it turns yellow, the viewing period of its yellow leaves can be advanced to the beginning of October.

[0019] The substrate formula u...

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Abstract

The invention relates to a cultivation method for making a ginkgo leaf color change in advance. The cultivation method comprises the specific steps that a matrix prepared by 25-30% of yellow sand, 20-30% of animal manure, 20-30% topsoil, 20-30% of composted straw and 0.03-0.05% of crosslinked polyacrylamide is used on the ground without planting hole digging, field planting is conducted on ginkgoes having the diameter at breast height of 8-15 cm by using tapered piled soil after even mixing, wherein the line spacings of plants are 3.5-4.5 m * 3.5-5.5 m; at the beginning of March in each year, 150-300g of urea is additionally applied to culture healthy leaves. The ginkgoes have poor resistance, if it rains in the middle ten days of September, protection is provided by using plastic cloth and other facilities sheltering from the rain, the moisture content of the matrix is reduced to 18-26%, drought stress is performed for 15 days, chlorophyll degradation can be accelerated, and a yellow leaf enjoying period of the ginkgoes can be advanced to the early of October.

Description

[0001] Technical field: [0002] The invention relates to a cultivation method for changing the color of ginkgo leaves in advance, in particular to a technology for making the color of ginkgo leaves turn yellow in advance, which is a method for advancing the viewing period of ginkgo, which can meet the viewing needs of tourists on the National Day. [0003] Background technique: [0004] Ginkgo biloba is a deciduous tree belonging to the Ginkgo family and the genus Ginkgo. It is a gymnosperm left over from the Quaternary glacial movement. Ginkgo grows slowly and has a long lifespan. It combines ornamental, fruit, material and medicinal values. It has strong vitality and is widely distributed. [0005] Ginkgo leaves alternate, petiole 0.8-2.4 cm long; long branches scattered radially, 3-5 clusters on short branches, with slender petioles, fan-shaped, light green on both sides, glabrous, with many forks Veinlets juxtaposed in shape, more or less notched or 2-lobed at the broad t...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G9/10C05F9/04
CPCA01G17/005A01G24/00C05F9/04Y02A40/20
Inventor 任杰唐菲史丹王晶晶夏文胜杨普徐磊
Owner AGRI ENG INST ANHUI ACADEMY OF AGRI SCI
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