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A kind of prevention and treatment method of citrus young tree Huanglongbing

A technology for citrus and saplings, which is applied in the field of prevention and control of citrus saplings Huanglongbing, and can solve problems such as irregular hair growth of young shoots, inconvenience of citrus psyllids, and infection

Active Publication Date: 2022-04-19
广西特色作物研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1-3 year old citrus saplings grow vigorously, and the young shoots are not neatly sprouted, which brings inconvenience to the work of preventing and controlling citrus psyllids, and the speed of the phloem of the saplings is also relatively fast, and the distance from the new shoots to the roots Very short, so citrus saplings are susceptible to the disease in new planting areas, and the symptoms of Huanglongbing pathogen appear soon after infestation

Method used

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  • A kind of prevention and treatment method of citrus young tree Huanglongbing
  • A kind of prevention and treatment method of citrus young tree Huanglongbing
  • A kind of prevention and treatment method of citrus young tree Huanglongbing

Examples

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Effect test

Embodiment 1

[0072] The control method of the citrus sapling Huanglongbing of the present embodiment may further comprise the steps:

[0073] Step 1: Pesticide Treatment

[0074] For the 1-3 year old citrus saplings, from March to December each year, the ring-shaped ditch method and the foliage spray method are used to carry out insecticidal treatment, wherein,

[0075] Described circular ditch application method is to excavate circular ditch below the crown drip line of citrus saplings, the mixture of imidacloprid water-dispersible granule and chlorpyrifos granule, and the fine soil that diameter is 0.2cm-0.5cm by mass ratio is 1:0.8 After mixing evenly, spread it in the ring-shaped ditch, and then cover it with soil every 30d-45d.

[0076] specifically is:

[0077] For 1-year-old citrus saplings, the aqueous solution of 70% imidacloprid water-dispersible granules and the aqueous solution of 10% chlorpyrifos granules in 45g mass percent are applied to each plant;

[0078] For 2-year-ol...

Embodiment 2

[0102] The control method of the citrus sapling Huanglongbing of the present embodiment may further comprise the steps:

[0103] Step 1: Pesticide Treatment

[0104] For the 1-3 year old citrus saplings, from March to December each year, the ring-shaped ditch method and the foliage spray method are used to carry out insecticidal treatment, wherein,

[0105] Described circular ditch application method is to excavate circular ditch below the crown drip line of citrus saplings, the mixture of imidacloprid water-dispersible granule and chlorpyrifos granule, and the fine soil that diameter is 0.2cm-0.5cm by mass ratio is After mixing evenly at 1:1, spread it in the ring-shaped ditch, and then cover it with soil every 30d-45d.

[0106] specifically is:

[0107] For 1-year-old citrus saplings, the aqueous solution of 70% imidacloprid water-dispersible granules and 10% chlorpyrifos granules in 50g mass percent are applied to each plant;

[0108] For 2-year-old citrus saplings, the ...

Embodiment 3

[0132] The control method of the citrus sapling Huanglongbing of the present embodiment may further comprise the steps:

[0133] Step 1: Pesticide Treatment

[0134] For the 1-3 year old citrus saplings, from March to December each year, the ring-shaped ditch method and the foliage spray method are used to carry out insecticidal treatment, wherein,

[0135] The ring-shaped ditch method is to excavate the ring-shaped ditch below the crown drip line of citrus saplings, the mixture of imidacloprid water-dispersible granule and chlorpyrifos granule, and the fine soil with a diameter of 0.2cm-0.5cm in mass ratio 1:1.2 After mixing evenly, spread it in the ring-shaped ditch, and then cover it with soil every 45 days. specifically is:

[0136] For 1-year-old citrus saplings, the aqueous solution of 70% imidacloprid water-dispersible granules and the aqueous solution of 10% chlorpyrifos granules in 55g mass percent are applied to each plant;

[0137] For 2-year-old citrus saplings,...

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Abstract

The invention discloses a method for preventing and treating citrus sapling huanglongbing, and belongs to the technical field of citrus huanglongbing prevention and control. The method for preventing and treating Huanglongbing of citrus saplings comprises the following steps: step 1: insecticidal treatment; step 2: bactericidal treatment; step 3: fertilization management; and step 4: control of other pests and diseases. The present invention carries out insecticidal treatment on 1-3-year-old citrus saplings, which can effectively prevent and control the occurrence of citrus psyllids; sterilizes, can interfere with the growth of the Huanglongbing pathogen; carries out fertilization management, can enhance tree vigor, promote root growth, improve Tree disease resistance. Through the above four measures, the huanglongbing of citrus saplings can be effectively prevented, the healthy growth of the tree can be ensured, and the control effect is remarkable.

Description

technical field [0001] The invention relates to a method for preventing and treating citrus sapling Huanglongbing, and belongs to the technical field of citrus huanglongbing prevention and control. Background technique [0002] Citrus huanglongbing is mainly transmitted by citrus psyllids, and can also be transmitted by seedlings and scions. After the citrus psyllid bites and harms the young shoots of citrus, it injects the Huanglongbing pathogen in the oral cavity and digestive tract into the citrus tree, and conducts it down to the root through the phloem, causing the root to rot, and the absorption capacity drops sharply, which seriously affects the growth of the tree. Fruit trees can't bear normal fruit, which affects economic benefits. Citrus infected with Huanglongbing showed a series of physiological and pathological changes, such as: the osmotic concentration of leaf vein pressing liquid was 1 / 3-1 / 2 higher than that of healthy plants. Observation of the submicrosco...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01G13/00A01C21/00A01N51/00A01N43/707A01N53/08A01N47/06A01N47/40A01N57/16A01N43/824A01N47/24A01P1/00A01P3/00A01P7/04C05F15/00
CPCA01G17/005A01G13/00A01C21/005A01N51/00A01N43/707A01N53/00A01N47/06A01N47/40A01N57/16A01N43/82A01N47/24C05F3/00C05F5/002
Inventor 张戈壁武晓晓牛英唐明丽阳廷密张素英
Owner 广西特色作物研究院
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