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Drought-resistant composition and its application
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A composition and a drought-resistant technology, applied to the drought-resistant composition and its application field on crops, can solve the problems of declining tartary buckwheat yield, rare addition combination, low rainfall and the like
Active Publication Date: 2020-10-27
CHENGDU UNIV
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Problems solved by technology
Tartary buckwheat is a weak root crop and its main production areas are located in dry farming areas and alpine mountainous areas. These areas have little rainfall, land prone to drought, and lack of water resources. Therefore, tartary buckwheat is inevitably affected by drought stress during planting, resulting in Tartary buckwheat production has seriously declined
[0004] Most of the current research reports on the improvement of crop stress resistance by exogenous addition are single compounds, which are still in the stage of laboratory research.
The effect of a single crop growthregulator on the growth and development of crops is also relatively single, and at the same time, it does not work synergistically with other growth regulators, resulting in a low effect. The compounding of plant growth regulators with different mechanisms of action can effectively solve this problem, and at the same time There are few reports on the improvement of crop drought resistance through exogenous addition at home and abroad, and effective addition combinations are especially rare
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Embodiment 1
[0022] Example 1: Screening of the concentration of KCL and IAA in root application.
[0023] Experimental material: The drought-sensitive "Chuanqiao No. 1" was used as the test material.
[0024] Material cultivation: soak the seeds of Chuanqiao No. 1 with 0.2-0.4% potassiumpermanganate solution, sterilize for 10-30 minutes, lay two layers of filter paper in the seed germination box, and spread the sterilized seeds evenly on the filter paper. , sow 200 Sichuan buckwheat No. 1 seeds per box, and then use a watering can to spray purified water for cultivation. Cover the lid of the germination box, put the germination box into a constant temperature incubator for cultivation, and set the incubator to 25°C without light. Water regularly to ensure the smooth germination and growth of the seeds. When the seeds grow to 7-8 cm (the time is 9 days, in order to ensure the same variable cultivation time is the same and fixed), the next experiment can be carried out.
[0032] Example 2: Root application of a composition consisting of a combination of a preferred concentration of potassiumchloride and a preferred concentration of IAA.
[0033] The composition concentrations are:
[0034] A: 1.5g / L KCL, 3mg / L IAA;
[0035] B: 1.5g / L KCL, 6mg / L IAA;
[0036] C: 1.5g / L KCL, 9mg / L IAA;
[0037] D: 2.0g / L KCL, 3mg / L IAA;
[0038] E: 2.0g / L KCL, 6mg / L IAA;
[0039] F: 2.0g / L KCL, 9mg / L IAA;
[0040] G: 2.5g / L KCL, 3mg / L IAA;
[0041] H: 2.0g / L KCL, 6mg / L IAA;
[0042] I: 2.0 g / L KCL, 9 mg / L IAA.
[0043] The above-mentioned concentrations of KCL and IAA refer to the concentrations of the total volume occupied by each after mixing.
[0044] Experimental material: The drought-sensitive "Chuanqiao No. 1" was used as the test material.
[0045] Material cultivation: soak the seeds of Chuanqiao No. 1 with 0.2-0.4% potassium permanganate solution, sterilize for 10-30 minutes, lay two layers of filter paper in the seed germination box, and sprea...
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Abstract
The invention provides an anti-drought composition and application of the anti-drought composition on a crop. The anti-drought composition consists of potassiumchloride and indoleacetic acid. The anti-drought effect of the anti-drought composition is far higher than the sum of two single preparations, the integral withering of crop young seedlings under drought stress can be effectively delayed,in addition, an application effect is not affected by time, the anti-drought composite has a good anti-drought effect, in addition, the indoleacetic acid is easy in degradation, the residues of the indoleacetic acid slightly affect land, and therefore, the anti-drought composition has the advantages of low production cost, simpleness in operation and easiness in large-scale promotion.
Description
technical field [0001] The invention relates to the technical field of agricultural production, in particular to a drought-resistant composition and its application on crops. Background technique [0002] Drought has become a global problem with rapid population growth and increasing water shortages. Drought is the biggest factor affecting crop yield. In my country, the loss caused by drought exceeds the sum of all other environmental factors. Drought has become an important factor restricting agricultural production and development in my country. [0003] Tartary buckwheat, as the "king of five grains" and "three-down food", has been favored by people in recent years, and the market demand is increasing. Tartary buckwheat is a weak root crop, and its main producing areas are located in dry farming areas and alpine mountainous areas. These areas have little rainfall, the land is prone to drought, and there is a lack of water resources. Therefore, the tartary buckwheat plant...
Claims
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Application Information
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