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Method for efficiently removing diseased leaves of Aceraceae plants and regulating and controlling ornamental period

A technology of the maple family and ornamental period, which is applied in the field of efficiently removing diseased leaves of the maple family plant and regulating the ornamental stage, can solve the problems of difficulty in manual removal, the diseased leaves of the maple family plant affecting the viewing, and the like, and achieves the benefits of leaf color performance, The effect of wide application time and small seasonal restrictions

Inactive Publication Date: 2020-11-27
四川立德种苗科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems in the prior art that diseased leaves of Aceraceae plants affect viewing and difficult manual removal, the present invention provides a method for efficiently removing diseased leaves of Aceraceae plants and regulating viewing period

Method used

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  • Method for efficiently removing diseased leaves of Aceraceae plants and regulating and controlling ornamental period
  • Method for efficiently removing diseased leaves of Aceraceae plants and regulating and controlling ornamental period
  • Method for efficiently removing diseased leaves of Aceraceae plants and regulating and controlling ornamental period

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A method for efficiently removing diseased leaves of Aceraceae plants and regulating viewing period, comprising the following steps:

[0027] S1. Water management: start to irrigate the tree 2 weeks before spraying the defoliant, and maintain the relative water content of the soil at 60% to 80% until the end of the ornamental period; The color control experiment showed that reasonable irrigation is beneficial to anthocyanin synthesis and leaf color expression.

[0028] S2. Preparation of defoliant: Because ethephon is an acidic pesticide, it is easy to decompose when the pH is greater than 4, so the container for preparing ethephon mother liquor, the defoliant and the sprayer for spraying the defoliant should be cleaned in advance3 ~5 times until washed and ready for dispensing and application.

[0029] Because of the strong acidity of ethephon and the weak alkalinity of thiadizuron, first use ethephon water agent and thiadizuron powder to add water to prepare 4000ppm ...

Embodiment 2

[0035] Defoliants of different concentrations were used alone to treat the diseased leaves of the Aceraceae plant, and then the operation of spraying potassium dihydrogen phosphate and exogenous sugar was the same as that in Example 1. After 30 days, the falling off situation and new occurrence of the leaves were counted.

[0036] Table 1. Effects of different concentrations of defoliants on the shedding of Chinese maple leaves

[0037] Reagent and concentration Total number of leaves (before treatment) number of green leaves defoliation rate Glyphosate 410ppm 586 456 0.221843003 Glyphosate 820ppm 354 274 0.225988701 Glyphosate 1640ppm 462 132 0.714285714 Ethephon 400ppm 354 292 0.175141243 Ethephon 800ppm 410 216 0.473170732 Ethephon 1600ppm 446 175 0.607623318 Abscisic acid 1000ppm 840 497 0.408333333 Abscisic acid 2000ppm 416 382 0.081730769 Abscisic acid 4000ppm 790 538 0.318987342 C...

Embodiment 3

[0040] Use different defoliants to treat different Aceraceae plant diseased leaves, and then spray potassium dihydrogen phosphate and exogenous sugar operation with the same example 1, after 30 days, count the shedding situation of the leaves, and count simultaneously during the shedding process Germination of new leaves.

[0041] Table 2. Effects of different defoliants on leaf shedding and new leaf germination of Jingui

[0042]

[0043]

[0044] Table 3. Effects of different defoliants on leaf shedding and new leaf germination of Qinglong

[0045]

[0046] Table 4. Effects of different defoliants on shedding and new leaf germination of Shanshan Pavilion

[0047]

[0048]As can be seen from Table 3, Table 4, using ethephon alone can increase the abscission rate of the leaves of the Aceraceae plant, and using thiadizuron defoliant alone can reduce the abscission rate of the leaves of the Aceraceae plant, and use ethephon and Thidiazuron’s compound defoliant can ...

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Abstract

The invention belongs to the field of plant growth regulators, and particularly relates to a method for efficiently removing diseased leaves of Aceraceae plants and regulating and controlling the ornamental period. The method comprises the following steps of: irrigating trees before spraying a defoliating agent; preparing the defoliating agent with the ethephon concentration of 2,000 ppm and the thidiazuron concentration of 1,000 ppm; uniformly spraying the defoliating agent on leaves of Aceraceae plants until small liquid drops drop from the leaves; spraying monopotassium phosphate once everythree days, and spraying monopotassium phosphate for three times in total; and, when the leaves fall off and new leaves begin to germinate, spraying exogenous sugar once every three days, and spraying the exogenous sugar for twice in total. According to the method in the invention, ethephon and thidiazuron are compounded and sprayed with the defoliating agent; therefore, disease leaves and normalleaves can quickly fall off; the growth of new leaves is promoted; the defoliation rate is basically 90% or above; the synthesis of anthocyanin is promoted through reasonable irrigation and sprayingof monopotassium phosphate and exogenous sugar; the leaf colour expression is facilitated; and the defoliation effect can be better utilized to artificially regulate and control the ornamental periodof Aceraceae plants while the defoliating agent is used for defoliating.

Description

technical field [0001] The invention belongs to the field of plant growth regulators, and in particular relates to a method for efficiently removing diseased leaves of Aceraceae plants and regulating the ornamental period. Background technique [0002] The genus Acer (Aceraceae) is usually called maple in general, and is also called "maple" or "maple tree" by habit. There are more than 200 kinds of maple trees in the world, distributed in Asia, Europe, North America and northern Africa. There are more than 160 species in my country, accounting for more than 75% of the total in the world. They are distributed all over the country, and are mainly produced in the Yangtze River Basin and the provinces to the south. Maple trees can be used as building materials, paper-making raw materials, medicine extraction, industrial oil and nectar plants. Some maple trees are rich in tree shape, elegant in posture, rich in leaf shape and changeable in leaf color, and are known as world-fam...

Claims

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Application Information

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IPC IPC(8): A01G7/06A01N57/12A01N47/36A01P21/00
CPCA01G7/06A01N47/36A01N57/12
Inventor 向明剑沈香兰何程相马建华王小辉丁龙梅李飞鸿杨小霞李洋
Owner 四川立德种苗科技有限公司
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