Method of improving salt tolerance of eggplants by applying brassinolide

A technology of brassinosteroids and brassinosteroids, applied in horticultural methods, seed and rhizome treatment, botany equipment and methods, etc.

Inactive Publication Date: 2014-05-28
ANHUI UNIV OF SCI & TECH
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However, the research on BR in inducing pepp

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Embodiment Construction

[0008] A method for applying brassinosteroids to improve the salt tolerance of eggplant, characterized in that the method includes the following process: before sowing eggplants, dilute the stock solution of brassinosteroid bacterium agent 20 times to soak the seeds, and start from the stage of one leaf and one heart, Monitor the chlorophyll content of eggplant every week. The method is: select 3-5 typical plants in the group, and select the fully expanded leaves at the uppermost node to measure the chlorophyll content. If the chlorophyll content is around 0.9mg / L, it is not necessary to spray brassinosteroids Lactone bacterial agent, or take 0.1mol / L calcium chloride solution and spray it once on the leaves during the vigorous growth period, and then take the brassinosteroid lactone bacterial agent stock solution diluted 200 times and spray once after 24 hours; if the chlorophyll content Less than 0.8mg / L and ≥0.6mg / L, at this time, 0.1mol / L calcium chloride solution should be...

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Abstract

The invention discloses a method of improving the salt tolerance of eggplants by applying brassinolide. The method comprises the steps that before eggplant sowing, brassinolide microbial inoculum stock solution is diluted by 20 times for soaking seeds, from the one-unfolded leaf and one-curled leaf period, the chlorophyll content of eggplants is monitored at each week, 3-5 typical plants are selected in a colony, the completely unfolded leaf at the topmost node of each plant is selected for measuring the chlorophyll content, if the chlorophyll content is about 0.9 mg/L, brassinolide microbial inoculum is not sprayed, or 0.1 mol/L calcium chloride solution is sprayed once on the leaf surfaces in the vigorous growth period, and after 24 hours, the brassinolide microbial inoculum stock solution is diluted by 200 times for once spraying.

Description

technical field [0001] The invention relates to a method for improving soil adversity, in particular to a method for applying brassinosteroid to improve the salt tolerance of eggplant. Background technique [0002] Saline soil refers to the soil in which the electrical conductivity (ECe) in the soil saturated extraction solution is higher than 4ds / m, and the content of exchangeable sodium is lower than 15%, and the pH value generally does not exceed 8.5. There are about 960 million hectares of saline soil in the world, and about 27 million hectares of saline soil in my country, of which about 7 million hectares are farmland. The ion types of salt damage mainly include sodium ion, chloride ion, calcium ion and sulfate ion, etc. When chloride is the main type, the salt content accounts for 0.6% of the soil weight, which is saline soil. The salinization of cultivated soil is mostly secondary saline soil. The root cause of low yield in saline soil is high salt content. The osmo...

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Application Information

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IPC IPC(8): A01G7/06A01G1/00A01C1/00
Inventor 谢淮北许亚峰徐华超
Owner ANHUI UNIV OF SCI & TECH
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