Method for determining salt-sensitivity period for salt tolerance of peanuts

A peanut and sensitive technology, applied in seed and rhizome treatment, application, agriculture, etc., can solve the problem of low yield, achieve the effects of expanding planting area, improving economic and social benefits, and reducing production costs

Inactive Publication Date: 2014-11-19
SHANDONG PEANUT RES INST
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Problems solved by technology

As peanuts are drought-tolerant and barren-resistant crops but not saline-alkaline-resis...

Method used

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  • Method for determining salt-sensitivity period for salt tolerance of peanuts
  • Method for determining salt-sensitivity period for salt tolerance of peanuts
  • Method for determining salt-sensitivity period for salt tolerance of peanuts

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Embodiment 1

[0028] 1Materials and methods

[0029] 1.1 Material

[0030] The peanut varieties are Huayu 25 and Huayu 20.

[0031] 1.2 method

[0032] 1.2.1 Peanut planting

[0033] Before sowing, first select full and even seeds of each variety, and manually order them on May 4th. Select a number of non-salinized plow layer soils for the soil, and then weigh them into pots after passing a 1cm sieve; choose pots with a height of 28cm and an inner diameter of 31.5cm for potting, and the amount of soil should be more than 16kg to ensure that the potted plants simulate salt-alkali stress The peanut root system growth environment in the production practice is as consistent as possible with the saline-alkali environment in the production practice, the planting depth of each peanut is 4 cm, and 10 plants are planted in each pot. The fertilizer is evenly mixed in the soil according to the amount of ordinary field fertilizer.

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Abstract

The invention relates to a method for determining salt-sensitivity period for salt tolerance of peanuts. The method comprises the following steps: (1) planting of the peanuts; (2) measurement of soil water content, soil moisture absorption water content and field water-holding capacity; (3) determination of soil salt content gradient, namely setting four salt stress concentrations of 0, 0.15%, 0.30% and 0.45% to analyze pure NaC1 preparation; (4) salt stress operation in growth stage, namely performing experiments of three factors of peanut variety, processing period and concentration by using an orthogonal method, carrying out salt stress operation in peanut germination stage, seedling stage, floricome stage and podding stage, and repeating the experiment for 6 times via random arrangement; (5) processing of experiment samples; and (6) experiment data processing and result analysis, namely determining the influences, caused by the salt stress in different growth periods, on the peanut form and biomass. According to the method, the production risk of the peanuts at the saline-alkali soil can be greatly reduced, the agricultural planting structure of the saline-alkali soil areas is optimized, the economic benefit and the social benefit of the agricultural production are improved, relatively high operability and raw material reutilization property are provided and the production cost is reduced.

Description

【Technical Field】 [0001] The invention relates to the technical field of crop cultivation, in particular to a method for determining the salt-tolerant sensitive period of peanuts. 【Background technique】 [0002] The area of ​​saline-alkali soil in my country is about 1.0×10 7 hm 2 , Accounting for 2.1% of the total land area and 6.2% of the arable land. At present, about 80% is still unused. Soil salinization seriously restricts the sustainable development of food production and agriculture. The full development and utilization of saline soil is the expansion of peanuts. One of the effective ways of planting area. [0003] Peanuts are important oil crops and economic crops. Peanut oil is one of the main sources of vegetable oil. Peanuts play an important role in China's agricultural development and export earnings. In recent years, the consumption of edible vegetable oil in my country has increased by more than 10% every year, and the contradiction between supply and demand is int...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 张智猛丁红慈敦伟秦斐斐戴良香宋文武李美于遒功杨吉顺
Owner SHANDONG PEANUT RES INST
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