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Method for screening salt-resistant peanut varieties

A technology for peanuts and varieties, applied in horticultural methods, botanical equipment and methods, planting substrates, etc., can solve the problems of prone to rotten roots, lack of plants, and difficult to rotten roots.

Inactive Publication Date: 2016-08-17
YUNCHENG UNIVERISTY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, hydroponics is prone to root rot due to anaerobic respiration of plant roots.
[0005] Therefore lack a kind of method that cultivation environment is easy to control and plant is difficult for root rot, the method for screening salt-tolerant peanut variety that is easy to operate

Method used

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  • Method for screening salt-resistant peanut varieties
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  • Method for screening salt-resistant peanut varieties

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Embodiment Construction

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] A method for screening salt-tolerant peanut varieties, specifically comprising the following steps:

[0028] Seed selection: Plump, neat and undamaged seeds were selected from different varieties of peanut seeds for sand culture planting, in which the planting substrate was a 2:1 mixture of fine sand and sieved farmland soil. The plump, neat and undamaged seeds were selected from the peanut seeds of different varieties and planted in sand culture with the same planting substrate, which ensured the germination rate of the peanut seeds and excluded the influence of othe...

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Abstract

The invention provides a method for screening salt-resistant peanut varieties. According to the method, full, regular and no-damaged seeds are selected from different varieties of peanut seeds, and are subjected to sand culture planting by the same planting substrate; after the sowing for a period of time, young seedlings with the consistent growth vigor are selected and transplanted into an aeroponic cultivation turnover box containing a 1 / 2Hoagland nutrient solution to be cultured into peanut plants; the plants with the consistent growth vigor in the trefoil stage are selected; the primary lateral root number X1 is recorded; the plants are divided into a salt treatment group and a blank control group; the blank control group uses the 1 / 2Hoagland nutrient solution for aeroponic cultivation; the salt treatment group uses the 1 / 2Hoagland nutrient solution added with 80mmol / L of NaCl for aeroponic cultivation. After the preset time, the primary lateral root number of peanuts of the salt treatment group and the blank control group is respectively measured; the salt-resistant peanut varieties can be screened out through analytical contrast on primary lateral root number data. The method has the advantages that the cost is low; the operation is easy; the method can be conveniently popularized and implemented in each place.

Description

technical field [0001] The invention relates to a method for screening peanut varieties, in particular to a method for screening salt-tolerant peanut varieties. Background technique [0002] Peanut is one of the most important oil crops in the world. The planting area is second only to rapeseed, ranking second in oil crops, and it plays a pivotal role in the world's oil production. Moreover, the peanut yield is high, the oil yield is high, and it has the characteristics of drought resistance, drought tolerance, and barrenness tolerance. However, there are great differences in salt tolerance among different peanut varieties. As an important food crop in my country, peanut occupies a pivotal position in the development of the national economy. Due to the constraints of soil salinization, the cultivation of peanuts has been seriously affected. Salt-tolerant peanuts need to be bred as pioneer oil crops in saline-alkaline areas. [0003] For a long time, the screening or iden...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G1/00A01G9/10A01G31/00A01G7/00
CPCA01C1/00A01G7/00A01G22/00A01G24/00A01G31/00
Inventor 杜磊
Owner YUNCHENG UNIVERISTY
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