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Method for preventing powdery mildew with lagerstroemia indica seed treatment

A technology for seed treatment and powdery mildew, which is applied in the fields of seed and rhizome treatment, seed immunization, botany equipment and methods, etc. It can solve the problems of large amount of spraying, affecting the ornamental quality of crape myrtle, and the environment is easy to cause pollution, etc., and achieves the control effect Excellent effect

Active Publication Date: 2016-03-09
缪小忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The prevention and treatment process is relatively complicated, and the treatment effect is not good. Once the powdery mildew occurs, it will greatly affect the ornamental quality of crape myrtle
[0005] At present, the prevention and treatment of powdery mildew of Lagerstroemia crape myrtle basically stays in the prevention and treatment of adult Lagerstroemia crape myrtle. The disease is treated by single use of Fenxiu Ning WP or 70% thiophanate-methyl WP multiple solution. The amount of spraying is large, which is easy to cause damage to the environment. Pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Select 200 crape myrtle seeds, preliminarily disinfect the seeds, and soak them in 0.2% potassium permanganate for 2 hours. Potassium permanganate has bactericidal properties, but the concentration needs to be well controlled, because the concentration is too high, it is easy to cause the seeds to rot After soaking for 2 hours, rinse with clean water 3 times to remove residual potassium permanganate; after rinsing, put the seeds in warm water with a temperature of about 50°C for 15 minutes. High temperature water can further disinfect and protect the seeds. After 15 minutes, add cool boiled water to reduce the water temperature to 25°C and soak for 6-8 hours. This step is to prepare for the subsequent germination. After soaking, remove the seeds and dry them until they are 20% dry; after many experiments, it was found that , the germination rate of the soaked seeds was directly put into the culture medium, but the germination rate was not high. Later, after groping, it w...

Embodiment 2

[0015] Select 200 crape myrtle seeds, preliminarily disinfect the seeds, and soak them in 0.2% potassium permanganate for 2 hours. Potassium permanganate has bactericidal properties, but the concentration needs to be well controlled, because the concentration is too high, it is easy to cause the seeds to rot After soaking for 2 hours, rinse with clean water 3 times to remove residual potassium permanganate; after rinsing, put the seeds in warm water with a temperature of about 45°C for 15 minutes. After 15 minutes, add cool white water to lower the water temperature to 25°C and soak for 6-8 hours. This step is to prepare for the subsequent germination; after soaking, put the seeds into the improved 1 / 2MS+6-BA0.03mg / L+NAA0.03mg / L++IAA0.01mg / L+IBA0.03mg / L+Gibberellin 50g / L culture medium, the temperature is controlled at about 20 ℃, and the dark treatment is cultivated for 5 days. 2000lx, cultivated for 40 days, until the seeds germinated; the seeds after germination were moved...

Embodiment 3

[0017] Select 200 crape myrtle seeds, preliminarily disinfect the seeds, and soak them in 0.2% potassium permanganate for 2 hours. Potassium permanganate has bactericidal properties, but the concentration needs to be well controlled, because the concentration is too high, it is easy to cause the seeds to rot After soaking for 2 hours, rinse with clean water 3 times to remove residual potassium permanganate; after rinsing, put the seeds in warm water with a temperature of about 50°C for 15 minutes. High temperature water can further disinfect and protect the seeds. After 15 minutes, add cool boiled water to lower the water temperature to 25°C, and soak for 6 hours. This step is to prepare for the subsequent germination. After soaking, remove the seeds and dry them until they are 20% dry; Improved 1 / 2MS+6-BA0.03mg / L+NAA0.03mg / L++IAA0.01mg / L+IBA0.03mg / L+Gibberellin 50g / L culture solution, the concentration of each component of the culture solution has an effect on the seed Germin...

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PUM

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Abstract

The present invention relates to disease control of lagerstroemia indica, and in particular to a method for enhancing disease resistance of lagerstroemia indica with treatment at lagerstroemia indica seed stage. The method comprises: initially disinfecting seed; after the seed is soaked in 0.2% potassium permanganate, flushing the seed; after flushing, soaking the seed in hot water at temperature of about 45-50 DEG C for 15 minutes; then adding cold boiled water to the hot water to cool the water temperature to 25 DEG C; after soaking, taking the seed out and airing the seed to remove 20% of water; cultivating the seed in a culture solution in dark for 1-2 days, wherein the temperature is controlled at about 25 DEG C; after the seed sprouts, moving the seed into a mixed solution of a 500-fold dilution of 20% zineb wettable powder, a 1500-fold dilution of 30% thiophanate methyl, a 1000-fold dilution of 20% triadimefon missible oil and a 8000-fold dilution of 50% carbendazim wettable powder; and after soaking, flushing the seed. According to the method, a sprouting ratio of the seed and the disease resistance of lagerstroemia indica after budding can be improved. After the seed is treated according to the method, the possibility of powdery mildew infection on lagerstroemia indica is reduced by about 50%.

Description

technical field [0001] The invention relates to disease prevention and treatment of crape myrtle, in particular to a method for enhancing the disease resistance of crape myrtle by treating the crape myrtle seed stage. Background technique [0002] Lagerstroemia, aliases: itchy flower, itchy tree, purple gold flower, purple orchid, mosquito flower, western water bayberry, zinnia, barkless tree, Latin name: Lagerstroemia indica L. Chichenaceae, Lagerstroemia indica deciduous shrub or small tree, Up to 7 meters high; bark smooth, gray or taupe; branches twisted, branchlets slender, leaves alternate or sometimes opposite, papery, oval, broadly oblong or obovate, green to yellow when young, mature Purple-black when dry or dry, dehiscing at the back of the chamber; seeds winged, about 8 mm long. The flowering period is June-September, and the fruiting period is September-December. The crape myrtle tree is beautiful, the trunk is smooth and clean, and the flowers are gorgeous; wh...

Claims

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Application Information

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IPC IPC(8): A01C1/08A01C1/00A01N47/34A01N47/14A01N43/653A01N43/52A01P3/00
CPCA01C1/00A01C1/08A01N43/52A01N43/653A01N47/14A01N47/34A01N2300/00
Inventor 袁国亮
Owner 缪小忠
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