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Method for preventing and treating agrobacterium tumefaciens of fruit trees by using iodine-rich soil bactericide

An Agrobacterium tumefaciens, soil fungicide technology, applied in biocides, botanical equipment and methods, chemicals for biological control, etc., can solve the problems of poor persistence, fruit tree death, low one-time kill, etc. Improves soil, promotes root development, and has a strong effect

Inactive Publication Date: 2011-09-21
刘福京
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional soil fungicides are usually sterilized with chemical fungicides such as ammonium ammonium, ferrous sulfate, and sulfur powder. The one-time kill is low, the persistence is poor, and there are side effects such as inhibiting root growth, and even cause root rot, which leads to fruit trees. die

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The technical scheme of the present embodiment is:

[0012] The first step: the first step: according to the ratio of water, potassium iodide, iodine, and biologically active organic iodine weight ratio of 100:0.5:0.2:0.1, potassium iodide is placed in water, heated while stirring, heated to 70°C, and dissolved to Transparent, regarded as A solution.

[0013] The second step: put the citric acid and sodium hydroxide into water and stir until dissolved according to the weight ratio of water, citric acid and sodium hydroxide in a ratio of 100:10:4.5 to form B solution.

[0014] The third step: take 45° concentrated seaweed juice, the concentration is calculated by salinity, according to the volume ratio of seaweed juice, A solution, B solution 10:8:10, add seaweed juice, B solution to A solution in turn, mix Uniform, become iodine-rich soil fungicide.

[0015] Field comparison test: In 2004, we set up two plots in the vineyard, each plot 666m 2 , respectively, the stre...

Embodiment 2

[0017] The technical scheme of the present embodiment is:

[0018] The first step: put potassium iodide, iodine, and bioactive organic iodine into water in sequence according to the weight ratio of water, potassium iodide, iodine, and biologically active organic iodine in a weight ratio of 100:1:0.5:0.3, and heat to 60 °C while stirring. ℃, dissolved until transparent, regarded as A solution.

[0019] The second step: put the citric acid and sodium hydroxide into water and stir until dissolved according to the weight ratio of water, citric acid and sodium hydroxide in a ratio of 100:15:6 to form B solution.

[0020] Step 3: Take 30° concentrated seaweed juice, the concentration is calculated by salinity, according to the volume ratio of seaweed juice, solution A, and solution B 10:6:8, add seaweed juice and solution B to solution A in sequence, mix Uniform, become iodine-rich soil fungicide.

[0021] Field comparison test: In the spring of 2004, we selected the area where ch...

Embodiment 3

[0023] The technical scheme of the present embodiment is:

[0024] The first step: put potassium iodide, iodine, and bioactive organic iodine into water in sequence according to the weight ratio of water, potassium iodide, iodine, and biologically active organic iodine in a weight ratio of 100:0.5:0.2:0.1, and heat while stirring to 70 ℃, dissolved until transparent, regarded as A solution.

[0025] The second step: put the citric acid and sodium hydroxide into water and stir until dissolved according to the weight ratio of water, citric acid and sodium hydroxide in a ratio of 100:10:4.5 to form B solution.

[0026] The third step: take 45° concentrated seaweed juice, the concentration is calculated by salinity, according to the volume ratio of seaweed juice, solution A, and solution B 10:12:12, add seaweed juice, solution B to solution A in sequence, mix Uniform, become iodine-rich soil fungicide.

[0027] Field comparison test: In the spring of 2010, we set up a test plot ...

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Abstract

The invention provides a method for preventing and treating agrobacterium tumefaciens of fruit trees by using an iodine-rich soil bactericide and relates to a novel biopesticide for preventing and treating agrobacterium tumefaciens and a preparation method thereof. The method comprises the following steps: preparing a solution A based on the condition that the weight ratio of water to potassium iodide to iodine to bioactive organic iodine is 100:(0.5-1):(0.2-0.5):(0.1-0.3); preparing a solution B based on the condition that the weight ratio of water to citric acid to sodium hydroxide is 100:(10-15):(4.5-6); and then preparing the iodine-rich soil bactericide based on the condition that the volume ratio of the 35-45 degrees of concentrated seaweed juice to the solution A to the solution B is 10:(6-12):(8-12). By using the iodine-rich soil bactericide, the effect of preventing and treating agrobacterium tumefaciens is obvious and durable, no toxic side effect is generated, the soil is improved, and the growth of fruit trees is promoted.

Description

(1) Technical field [0001] The invention relates to a formula for preventing and treating Agrobacterium tumefaciens in fruit trees with a novel biological pesticide iodine-rich soil fungicide and a preparation method thereof. (two), background technology [0002] Fruit tree root cancer (growngall of fruit trees), also known as crown gall, is a worldwide stubborn disease caused by Agrobacterium tumefaciens (Agrobactium spp.). This fungus has a wide range of hosts and can infect 643 species of plants belonging to 331 genera in 93 families, causing very large losses in production. Agrobacterium tumefaciens showed a negative Gram staining reaction and was suitable for growth in alkaline soils. The optimum pH value was PH7.3, and the range of acid and alkali resistance was PH5.7-9.2. The pathogenic bacteria overwinter in the cortex of the tumor tissue, or enter the soil when the tumor ruptures and peels off the skin, and can survive in the soil for more than one year. Rainwater...

Claims

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Application Information

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IPC IPC(8): A01N59/12A01N37/44A01N25/02A01P1/00A01G13/00
Inventor 刘福京
Owner 刘福京
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