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Application of methyl jasmonate in plant waterlogging resistance

A technology of methyl jasmonate and plants, applied in the direction of application, plant growth regulator, plant growth regulator, etc., can solve problems such as poor effect and not yet appeared, so as to improve survival rate, increase farmers' income, and relieve flooding damage effect

Active Publication Date: 2018-08-21
西藏绿之源现代农业科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing studies have shown that exogenous Ca 2+ It can alleviate the damage of water stress to plants by regulating the respiratory metabolism in the root system of pepper seedlings, but it is only effective when sprayed two days before and one day after flooding, and the effect after spraying is not good
[0003] In addition, although it is known that methyl jasmonate can improve the vigor of seeds under low temperature storage and improve the ability to cope with adversities such as low temperature and saline alkali, but there has not been any application similar to the present invention

Method used

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  • Application of methyl jasmonate in plant waterlogging resistance
  • Application of methyl jasmonate in plant waterlogging resistance
  • Application of methyl jasmonate in plant waterlogging resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A kind of application method of methyl jasmonate, comprises the following steps:

[0040] The first step, methyl jasmonate preparation

[0041] Weigh 0.06729g, 0.13458g, 0.2243g, 0.33645g and 0.4486g of methyl jasmonate by electronic balance, pour into a 1000mL beaker, add 5mL of 95% ethanol to dissolve methyl jasmonate, and then dilute with 200mL of distilled water Then place in a 1000mL volumetric flask and set the volume to 1000mL so that the final concentration is 0.3mmol L -1 , 0.6mmol L -1 , 1.0 mmol L -1 , 1.5mmolL -1 and 2.0 mmol L -1 , and finally stored in a brown reagent bottle.

[0042] Step 2: Foliar spray when flooded

[0043] On the day of flooding, put methyl jasmonate of various concentrations in a watering can, spray it in a mist form, and spray it continuously on the leaves of pepper until the leaves drip with liquid, and spray continuously for 5 days.

[0044] Step 3, Management During and After Flooding

[0045] During and after flooding, th...

Embodiment 2

[0050] A kind of application method of methyl jasmonate, comprises the following steps:

[0051] The first step, methyl jasmonate preparation

[0052] Take by weighing 0.2243g methyl jasmonate by electronic balance, pour in the beaker of 1000mL, add the 95% ethanol of 5mL to dissolve methyl jasmonate, then place the volumetric flask of 1000mL to be settled to 1000mL after diluting with 200mL distilled water, make The final concentration was 1.0mmol L -1 , and finally stored in a brown reagent bottle.

[0053] Step 2: Foliar spray when flooded

[0054] On the day of flooding, put various concentrations of methyl jasmonate in a watering can, spray it into a mist, and spray it continuously on the leaves of peppers until the leaves drip. Spray continuously for 1 day, 3 days, and 5 days respectively days, 7 days, 9 days and 12 days.

[0055] Step 3, Management During and After Flooding

[0056] During and after flooding, the diseased leaves and yellowed leaves of more than 50%...

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Abstract

The invention provides application of methyl jasmonate. The methyl jasmonate is applied to easing the waterflooding damage to shallow root vegetables so as to improve the waterlogging resistance of the shallow root vegetables. The application of the methyl jasmonate reduces the damage to the shallow root vegetables, thus improving the survival rate, guaranteeing the yield of the shallow root vegetables under the waterflooding condition, and increasing the income of farmers.

Description

technical field [0001] The invention relates to the application of methyl jasmonate in waterlogging resistance of shallow root vegetables, in particular to the application of Solanaceae Capsicum in waterlogging resistance. Background technique [0002] Pepper (Capsicum annum L.) is a plant of the genus Capsicum in the family Solanaceae. It is one of the vegetable species with the largest planting area in my country. The annual planting area is more than 1.3 million hm2. , will affect the growth of pepper. Waterlogging hazards frequently occur in the middle and lower reaches of the Yangtze River, which seriously affects the yield and quality of peppers cultivated in the open field in spring and summer and autumn. However, 60%-70% of the peppers grown in my country are cultivated in the open field, and waterlogging has become the main stress factor for the production of open field peppers in China. one. Capsicum has a strong ability to tolerate drought, but its ability to tole...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N37/42A01P21/00A01G7/06
CPCA01G7/06A01N37/42
Inventor 邹学校欧立军刘周斌危革张竹青陈文超戴雄泽马艳青杨博智杨莎
Owner 西藏绿之源现代农业科技股份有限公司
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