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Medicament for preventing and controlling corynespora leaf fall disease of rubber tree

A technology for leaf disease and rubber trees, applied in the directions of biocides, fungicides, biocides, etc., can solve the problems of failing to meet the requirements of budding, hindering the growth of seedlings around the circumference, and death.

Inactive Publication Date: 2014-12-10
JIANGYIN HAIDA RUBBER & PLASTIC GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disease in the nursery hinders the thickening of the seedlings and fails to meet the budding requirements; the infected saplings repeatedly lose their leaves, the crown is exposed, the plants are dwarfed or even die; the infection of the tapping trees seriously reduces the dry rubber production

Method used

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  • Medicament for preventing and controlling corynespora leaf fall disease of rubber tree
  • Medicament for preventing and controlling corynespora leaf fall disease of rubber tree
  • Medicament for preventing and controlling corynespora leaf fall disease of rubber tree

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1) Weigh 150 grams of Aquamarine, add 5 times its weight in an ethanol aqueous solution with a concentration of 85% by volume, heat and reflux for extraction for 1.5 hours, filter, and recover ethanol from the filtrate under reduced pressure, and concentrate until no ethanol is recovered, to obtain Extract 1;

[0016] 2) Weigh 200 grams of Yimuba, add water 5 times its weight, heat under reflux for 5 hours, cool to room temperature, filter, add ethanol to the filtrate until the ethanol content is 70% by volume, and place it for 24 hours , filtered, and the filtrate was decompressed to recover ethanol, and concentrated until no ethanol was recovered to obtain extract 2;

[0017] 3) Combine the extract 1 and the extract 2, add it into the sprayer, and get it.

Embodiment 2

[0019] Weigh 200 grams of Yimuzai, add water 5 times its weight, heat under reflux for 5 hours, cool to room temperature, filter, add ethanol to the filtrate until the ethanol content is 70% by volume, leave it for 24 hours, filter , the filtrate was decompressed to recover ethanol, and concentrated until no ethanol was recovered to obtain extract 1; add it to a sprayer to obtain.

Embodiment 3

[0021] Weigh 150 grams of Aquamarine, add 5 times its weight in an ethanol aqueous solution with a volume percentage concentration of 85%, heat and reflux for extraction for 1.5 hours, filter, and recover ethanol from the filtrate under reduced pressure, and concentrate until no ethanol is recovered to obtain an extract 1; add to the sprayer, that is.

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PUM

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Abstract

The invention relates to a medicament for preventing and controlling the corynespora leaf fall disease of a rubber tree. The medicament comprises the following raw materials in parts by weight: 100-300 parts of corymbose hedyotis herb and 100-300 parts of allophylus viridis. The medicament for preventing and controlling the corynespora leaf fall disease of the rubber tree is relatively good and is superior to certain common microbicides in effect.

Description

technical field [0001] The invention relates to the field of rubber, in particular, the invention relates to a medicament for preventing and treating the rubber tree Corynesporium leaf defoliation disease. Background technique [0002] Rubber tree Corynesporium leaf defoliation is a devastating disease that can harm rubber seedlings, saplings and mature trees, and damage leaves, young shoots and twigs of all ages, causing leaves to fall off, bark to burst, and young shoots to wither. The disease in the nursery hinders the thickening of the seedlings and fails to meet the budding requirements; the infected saplings repeatedly lose their leaves, the crown is exposed, the plants are dwarfed or even die; the infection of the tapping trees seriously reduces the dry rubber production. At present, the disease often occurs in rubber producing areas, which seriously threatens the normal operation of the downstream rubber industry. Contents of the invention [0003] The object of t...

Claims

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Application Information

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IPC IPC(8): A01N65/08A01P3/00
Inventor 胡彦黄天明
Owner JIANGYIN HAIDA RUBBER & PLASTIC GROUP
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