Control method for Lagerstroemia indica trunk borers

A technology for stem-boring and pests, which is applied in the field of prevention and control of crape myrtle-boring pests, can solve the problems of poor effect and insufficient pertinence, and achieve the effect of ensuring healthy growth and safe and reliable methods

Inactive Publication Date: 2019-07-09
杭州赛石园林集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing crape myrtle borer pest control uses a sing...

Method used

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  • Control method for Lagerstroemia indica trunk borers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A control method for crape myrtle-boring pests, comprising the following steps:

[0019] 1) In early April, dig a ring-shaped ditch around the root system of Lagerstroemia crape myrtle. The width of the ring-shaped ditch should be 0.5-1cm, and the depth should be 10-15cm away from the main pole. "Phoxim" particles are used to control pests, and the preventive effect can be maintained for about 70-80 days;

[0020] 2) From mid-April to early May, for borer larvae that have not invaded the xylem in the phloem, apply the drug on the trunk: mix the mixture of phoxim and clay into a paste, and apply it evenly during the adult eclosion stage On the trunk, use a steel brush to remove the rough skin and warped skin before applying the medicine. After the surface of the medicine is wiped clean, use a brush to spread the paste mixture evenly on the trunk or branches, and then use an opaque non-woven fabric to remove it from the tree trunk. Wrap up the medicated surface from bott...

Embodiment 2

[0026] The difference between this embodiment and embodiment 1 is:

[0027] In this embodiment, in step 1), the width of the annular groove is 0.75 cm, and the distance from the main pole is 12.5 cm.

[0028] In this embodiment, in step 2), in the phoxim mixture, phoxim, salt and kerosene are mixed in a weight ratio of 30:1:1; the opaque non-woven fabric is replaced with straw rope.

[0029] In the present embodiment, in step 3), 40% omethoate emulsifiable concentrate is diluted 30 times with water, dipped in medicinal cotton and inserted into the wormhole to replace the injector into the wormhole.

[0030] In this embodiment, in step 4), diluting 45% crystalline lime sulfur with water 300 times can prevent moths from laying eggs.

specific Embodiment

[0032] 1. On April 10, 2018, 3 groups of 50 crape myrtle plants with a diameter of about 8-9cm and no insects were selected, and a ring-shaped trench with a width of 1cm was dug around the root system of the crape myrtle. It is advisable to reach the fine root system, and evenly bury "phoxim" particles in the evening.

[0033] 2. On May 10, mix phoxim mixture (phoxim, salt, kerosene in a weight ratio of 30:1:1) and clay to form a paste, and apply it evenly on the tree trunk in the evening. Before applying the medicine, use a steel brush to remove the rough skin and warped skin. After the surface of the medicine is wiped clean, use a brush to spread the paste mixture evenly on the trunk or branches, and then wrap the medicine from bottom to top with a non-woven fabric. After 60 days of bandaging, the non-woven fabric can be removed.

[0034] 3. On August 10, re-examine 50 crape myrtle plants. If wormholes are found at this time, the freshness of sawdust discharged from the wor...

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Abstract

The invention relates to the field of agricultural pest control, in particular to a control method for Lagerstroemia indica trunk borers. The method comprises the following steps that 1, at the firstten-day period of April, an annular ditch is dug at the periphery of the root system of Lagerstroemia indica, and phoxim particles are evenly applied at nightfall; 2, from the middle ten-day period ofApril to the first ten-day period of May, pesticide is applied to trunks for trunk larvae not invading the xylem at the phloem; 3, from June to August, if fresh wormholes are found, diluted 20-40-fold 40% omethoate EC is adopted to be injected or plugged into pest holes, and mud is used for blocking the holes; 4, from November to December, clearing trimming and removing of deadwood leaves are performed, and diluted 300-fold 45% crystal lime sulphur is applied to the whole tree. Due to time, medicament concentration and formula control and multi-time-period control, invasion of Lagerstroemia indica trunk borers can be controlled, and Lagerstroemia indica healthy growth is ensured; the reagent formula is adopted for three months, the potency is basically lost, and meanwhile the method is safe and reliable and causes no damage to environment.

Description

technical field [0001] The invention relates to the field of prevention and control of agricultural diseases and insect pests, in particular to a method for the prevention and treatment of crape myrtle-boring pests. Background technique [0002] The larvae of common stem-boring pests mostly parasitize in the plant branches (destroy the phloem, damage the cambium, and feed on the xylem) and cause harm. When the trunk or branches are lightly damaged, the transportation of water and nutrients will be hindered, the tree will be weakened, and the growth will be poor; if the damage is heavy, the trunk will often be broken by wind or the plant will wither and die, seriously affecting the effect of urban landscaping and beautification. [0003] Boring pests have three major characteristics: 1) Hidden life: except for the naked life in the adult stage, other insect states live in hiding in the phloem and xylem; The influence of conditions is small, the natural enemies are few, and t...

Claims

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Application Information

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IPC IPC(8): A01G13/00A01G7/06
CPCA01G7/06A01G13/00
Inventor 王忠浩刘小军任韡韩纯余可翔童飞龙
Owner 杭州赛石园林集团有限公司
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