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Application of chitosan oligosaccharide aqueous solution in promotion of plant tillering

An aqueous solution and chitosan oligosaccharide technology, applied in the agricultural field, can solve problems such as inconvenient operation, high cost, and complex components, and achieve the effect of improving the effect and promoting plant tillering

Active Publication Date: 2014-12-17
HAINAN ZHENGYE ZHONGNONG HIGH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

From the public literature, it is impossible to determine what kind of substance is the substance that plays a tillering role, and the applied product has complex ingredients, inconvenient operation and high cost

Method used

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  • Application of chitosan oligosaccharide aqueous solution in promotion of plant tillering
  • Application of chitosan oligosaccharide aqueous solution in promotion of plant tillering
  • Application of chitosan oligosaccharide aqueous solution in promotion of plant tillering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1 Oligochitosan effect on promoting rice tillering

[0018] It was carried out in the rice fields of farmers in Bailian Town, Chengmai, Hainan. Spray treatment with different water dilutions of 5% chitosan oligosaccharide at different times. The number of tillers of rice was observed and counted 2 months after transplanting.

[0019] Table 1 The effect of chitosan oligosaccharide treatment on rice tillering

[0020]

[0021] As can be seen from Table 1, the tiller number of rice treated with chitosan oligosaccharide solution is higher than the rice tiller number treated with clear water, and the tiller number of rice sprayed with 50 ppm chitosan oligosaccharide after emergence is higher than that of 30 d after emergence. In addition, it stands out that the continuous post-emergence treatment of chitosan oligosaccharide aqueous solution has a significant effect on tillering improvement.

Embodiment 2

[0022] Embodiment 2 Chitosan oligosaccharide promotes tillering effect of chives

[0023] Select 2-3 shallot seedlings with consistent height, thickness, and root conditions from the seedling area, immerse them in a chitosan oligosaccharide solution with a concentration of 50ppm for 30 minutes, and transplant them evenly in a biotest plot with consistent light and soil. After transplanting, set different concentrations of chitosan oligosaccharide solution 0-2 times, observe and count the number of tillers of shallots after 3 months.

[0024] Table 2 Effect of chitosan oligosaccharide treatment on shallot tillering

[0025]

[0026] As can be seen from Table 2, after transplanting chives treated with root soaking in chitosan oligosaccharide solution, the number of tillers of shallots is higher than that of root soaking in clear water, and the effect of seed treatment on promoting tillering is better than spraying at seedling stage and growth period The effect of spray tille...

Embodiment 3

[0027] Embodiment 3 chitosan oligosaccharides promote the tillering effect of turfgrass

[0028] Sow in pots with the same fertilizer and water, and dilute 5% chitosan oligosaccharide to different concentrations at different times for treatment. The number of tillers of Poa annua was observed and counted 3 months after emergence.

[0029] Table 3 The effect of chitosan oligosaccharide treatment on bluegrass tillering

[0030]

[0031] As can be seen from Table 3, the number of tillers of Poa annua treated with chitosan oligosaccharide solution was higher than that of clear water treatment.

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Abstract

The invention relates to application of chitosan oligosaccharide aqueous solution in promotion of plant tillering. The application is characterized in that the concentration of chitosan oligosaccharide in the chitosan oligosaccharide aqueous solution is 10-200 ppm, preferably 30-100 ppm. After seeds and plants of crops are treated by using the chitosan oligosaccharide aqueous solution, the increase of plant tillers is promoted, the biological output is improved, no phytotoxicity is caused to the crops, no pesticide residue is formed, and the chitosan oligosaccharide aqueous solution has an obvious effect of promoting tillering of plants such as wheat, paddy, shallots, lawn grass, forage grass, flowers, peanuts, fruit trees, tobaccos, rapes, soybeans and Chinese herbal medicines.

Description

technical field [0001] The invention belongs to the field of agriculture, and in particular relates to the application of chitosan oligosaccharide as an immune induction preparation, and in particular to the use of chitosan oligosaccharide aqueous solution for promoting plant tillering. Background technique [0002] Tillers are the branching of plants below or near the ground. Tillering is of great significance. From the perspective of individual development, each branch can form its own root system, thereby promoting the effective use of applied substances in the soil by plants and promoting the development of individual plants. Tillering is also conducive to expanding the application area and effectively enhancing resistance and adaptability. For gramineous plants, the tillers that produce heading and fruiting are called effective tillers, and those that cannot or are not heading and fruiting are called ineffective tillers. Effective tillering is directly related to the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/16A01P21/00A01G7/06
Inventor 侯华民张善学王少龙
Owner HAINAN ZHENGYE ZHONGNONG HIGH TECH