Method for screening salt-resistant sunflower varieties

A sunflower and variety technology, applied in the fields of botanical equipment and methods, plant genetic improvement, horticulture, etc., can solve the problems of prone to rotten roots, not easy to rotten roots, lack of plants, etc.

Inactive Publication Date: 2016-08-10
YUNCHENG UNIVERISTY
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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 cu

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

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Embodiment Construction

[0027] 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.

[0028] A method for screening salt-tolerant sunflower varieties, specifically comprising the following steps:

[0029] Seed selection: From sunflower seeds of different varieties, plump, neat and undamaged seeds were selected for sand culture planting, in which the planting substrate was a 2:1 mixture of fine sand and sieved farmland soil. From the sunflower seeds of different varieties, plump, neat and undamaged seeds are selected and planted in sand culture with the same planting substrate, which ensures the germination rate of sunflower seeds and excludes the influence of...

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Abstract

The invention provides a method for screening salt-resistant sunflower varieties. The method comprises the following steps: selecting full and even complete seeds from the sunflower seeds of different varieties, and performing sand culture planting using the same planting matrix respectively; after seeding for a period of time, selecting the seedlings with consistent growth vigor and transplanting into an aerosol cultivation turnover box with 1/2 Hoagland nutrient solution to cultivate sunflower plants; selecting the plants with consistent growth vigor and single flower disc, recording the diameter X1 of the flower disc, and dividing the groups into a salt treatment group and a blank control group; performing aerosol cultivation of the blank control group using the 1/2 Hoagland nutrient solution; performing aerosol cultivation of the salt treatment group using the 1/2 Hoagland nutrient solution added with 120mmol/L NaCl; after the preset time, measuring the diameter of the sunflower disc of the salt treatment group and blank control group respectively; and screening out the sunflower variety with better salt resistance by analyzing and comparing the flower disc diameter data. With low cost, the method is easy to operate and facilitates promotion and implementation in various places.

Description

technical field [0001] The invention relates to a method for screening sunflower varieties, in particular to a method for screening salt-tolerant sunflower varieties. Background technique [0002] Sunflower has the characteristics of salt and alkali resistance, barren resistance, drought resistance and strong adaptability. Its seeds have high oil content and excellent oil quality. It is widely planted in many countries and has become the fourth largest oil crop in the world (after soybeans, rapeseed, and peanuts). , is also the main source of edible vegetable oil for the masses in the central and western parts of the Inner Mongolia Autonomous Region, and occupies an important position in the agricultural production of Inner Mongolia. As the main economic oil crop in my country, sunflower plays an important role in the development of national economy. The cultivation of sunflowers has been seriously affected due to the prominent conflicts over grain, oil and land. Because s...

Claims

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Application Information

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IPC IPC(8): A01H1/04A01G1/00A01G31/00
CPCA01G22/00A01G31/00A01H1/04
Inventor 杜磊
Owner YUNCHENG UNIVERISTY
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