System for identifying and evaluating seedling resistance of malus

A resistance identification and plant seedling technology, applied in the agricultural field, can solve the problem of no resistance identification and evaluation system, and achieve the effect of shortening the identification cycle and breeding years, reliable results and good repeatability.

Inactive Publication Date: 2011-09-21
NORTHWEST A & F UNIV
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  • Abstract
  • Description
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Problems solved by technology

However, there is no unified resistanc

Method used

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  • System for identifying and evaluating seedling resistance of malus
  • System for identifying and evaluating seedling resistance of malus
  • System for identifying and evaluating seedling resistance of malus

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Embodiment Construction

[0030] The present invention is described in detail below in conjunction with example:

[0031] Identification and evaluation of hypoxia tolerance in the rhizosphere of Malus plants:

[0032] 1. Materials and methods

[0033] 1.1 Test materials

[0034] Table 1 Test materials and sources

[0035]

[0036] 1.2 Seedling cultivation

[0037] Sow the layered seeds into a nutrient pot (12cm high x 12cm in diameter), cultivate on a sand base, 2 plants per pot, and spray 1 / 2 Hoagland nutrient solution once every 4 days when the seedlings grow 2 true leaves , supplemented with water in the meantime.

[0038] 1.3 Coercion treatment

[0039] 1.3.1 Hypoxic stress treatment

[0040] When the seedlings grow to 8 true leaves, select uniform seedlings and move them to 1 / 2 Hoagland nutrient solution hydroponic pots (20L), 6 pots of each material, 50 plants in each pot, arranged randomly. The air pump was used for normal ventilation, the pH of the nutrient solution was adjusted to 6....

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Abstract

The invention discloses a system for identifying and evaluating seedling resistance of malus. A method thereof comprises the following steps: cultivating seedlings; transplanting the seedlings and performing aquiculture; performing stress treatment; surveying and classifying disaster condition; establishing an evaluating system, and the like. By using the method, the traditional land identification result is replaced by a seedling identification result, the identification period is greatly shortened, the land and the test cost are saved, the influence of external environment on the identification result is efficiently avoided, a technical system suitable for identifying and evaluating the resistance of the malus is supplied, and an important theoretic reference is supplied for standardizing the identifying and evaluating system for germ plasm resources of apples in China, ensuring the accuracy of the identification and evaluation result and the effectiveness of resource utilization. The method has stronger application potential in the aspects of screening the germ plasm resources of apples with strong resistance, cultivating resistive apples and researching the resistance mechanism of the malus.

Description

technical field [0001] The invention belongs to the field of agricultural technology, and in particular relates to a resistance identification and evaluation system of Malus plants at seedling stage. Background technique [0002] Apple is one of the main cultivated fruit tree species in my country. Its area and output both rank first. It is of great significance to develop the apple industry and increase the economic benefits of apples to increase farmers' income and adjust the industrial structure. However, apples are often subjected to adversity stresses such as drought, high temperature, salinity, strong light and low oxygen during their growth and development, which seriously affect the normal growth and fruit quality of apples. As the global climate changes, adversity stresses have an increasing impact on fruit tree production. Apple has been listed by the Ministry of Agriculture as one of the superior agricultural products to be developed in the future, and the key ar...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/00A01G31/00
Inventor 马锋旺白团辉李翠英尹蓉李永红冯凤娟
Owner NORTHWEST A & F UNIV
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