A kind of fertilization control method of Chinese torreya branch and leaf yellowing disease

A technology for yellowing and torreya, applied in fertilization methods, fertilization devices, magnesium fertilizers, etc., can solve the problems affecting the healthy development of the torreya industry, affecting the yield and quality of the torreya, and reducing the soil compaction. , the effect of improving soil physical characteristics and improving soil aggregate structure

Active Publication Date: 2022-04-08
ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Torreya golden branch phenomenon is serious, the branches are easy to fall leaves, the branches droop, and the tree vigor declines, which seriously affects the yield and quality of torreya, and then seriously affects the income of fruit farmers and the healthy development of torreya industry
At present, there is no effective preventive method for the golden branch phenomenon of torreya

Method used

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  • A kind of fertilization control method of Chinese torreya branch and leaf yellowing disease
  • A kind of fertilization control method of Chinese torreya branch and leaf yellowing disease
  • A kind of fertilization control method of Chinese torreya branch and leaf yellowing disease

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Embodiment 1

[0035] In the Shengwuling area of ​​Pujiang, Jinhua City, Zhejiang Province, where Torreya is widely planted, 20-year-old Torreya trees were selected to prevent and control the yellowing disease of Torreya tree branches and leaves, that is, "golden branches":

[0036] 1) From December to January of the following year, apply soil conditioner, calcium, magnesium, phosphate and medium element fertilizers around the trunk of the Chinese torreya tree along the crown of the tree, and the amount of soil conditioner is 3.8-4.2kg per plant, calcium The dosage of magnesium phosphate fertilizer is 1.8-2.2kg per plant; the dosage of medium element fertilizer is 1.0-1.2kg per plant;

[0037] 2) From March to May of the next year, apply soil conditioner along the crown of the tree using the ring ditch method, calcium magnesium phosphate fertilizer and medium element fertilizer around the trunk of the Chinese torreya tree, wherein the amount of soil conditioner is 2.2-3.0kg per plant, calcium...

Embodiment 2

[0040] In the Zaojiewu area of ​​Pujiang, Jinhua City, Zhejiang Province, where Torreya is widely planted, 25-year-old Torreya trees were selected to prevent and control the yellowing disease of Torreya tree branches and leaves, that is, "golden branches":

[0041] 1) From December to January of the following year, apply soil conditioner, calcium, magnesium, phosphate and medium element fertilizers around the trunk of the Chinese torreya tree along the crown of the tree, in which the amount of soil conditioner is 3.8-4.5kg per plant, calcium The dosage of magnesium phosphate fertilizer is 1.8-2.5kg per plant; the dosage of medium element fertilizer is 1.0-1.5kg per plant;

[0042] 2) From March to May of the following year, apply soil conditioner along the crown of the tree using the ring ditch method, calcium magnesium phosphate fertilizer and medium element fertilizer around the trunk of the Chinese torreya tree, wherein the amount of soil conditioner is 2.5-3.0kg per plant, ca...

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Abstract

The invention relates to a fertilization control method for the yellowing of torreya branches and leaves, comprising: the first fertilization time is selected from December to January of the next year, and the soil conditioner, calcium magnesium phosphate fertilizer and medium The amount of element fertilizer is placed around the trunk of Torreya; the second fertilization time is selected in March-May of the following year, and the soil conditioner is applied along the crown of the tree by the ring-shaped ditch method, and the calcium, magnesium, phosphorus fertilizer and medium element fertilizer are placed around the trunk of Torreya. After being prevented and controlled by the method of the present invention, the growth vigor of the Chinese torreya tree is strengthened, the leaves are dark green, the leaves are thick and shiny, and the branches of the yellowing disease have occurred, and normal new branches are drawn out, and the yellowing branches gradually turn green, effectively enhancing the resistance of the Chinese torreya to the yellowing disease of branches and leaves. sex.

Description

technical field [0001] The invention relates to the field of agricultural planting, in particular to a fertilization control method for the yellowing disease of Torreya torreya branches and leaves. Background technique [0002] Torreya grandis (scientific name: Torreya grandis), also known as Torreya grandis, is a species under the genus Torreya in the family Taxaceae, and is an evergreen coniferous tree. Up to 25m, diameter at breast height 2m. The trunk is straight, the big branches spread out, and the crown is broad and oval. Bark grayish-brown, shallow longitudinally split; dioecious, rarely monoecious, flowering in April; seeds oval or oblong, outer surface yellowish-brown to dark brown, slightly longitudinally ridged, one end bluntly rounded, with an ellipse Shaped hilum, slightly lighter in color, smoother, and slightly pointed at the other end. The seed coat is firm and brittle, and one seed kernel can be seen after breaking open, oval, with membranous outer endos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C21/00A01G17/00C05G3/80
CPCA01C21/005A01G17/005C05D3/02C05G3/80C05D5/00C05D9/00
Inventor 王峰马军伟俞巧钢孙万春王强林辉
Owner ZHEJIANG ACADEMY OF AGRICULTURE SCIENCES
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