Corn seed initiator and preparation method thereof and method for promoting low temperature germination of corn seeds

An initiator, low temperature resistant technology, applied in the fields of seed and rhizome treatment, botanical equipment and methods, seed immunity, etc., can solve the problems of crop yield loss, quality decline, etc., to improve the quality of seedling emergence, improve plant height, and improve tolerance Effect

Active Publication Date: 2021-03-23
JILIN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the global crop yield loss and quality decline caused by abiotic stresses such as low temperature have become an urgent problem to be solved in production.

Method used

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  • Corn seed initiator and preparation method thereof and method for promoting low temperature germination of corn seeds
  • Corn seed initiator and preparation method thereof and method for promoting low temperature germination of corn seeds
  • Corn seed initiator and preparation method thereof and method for promoting low temperature germination of corn seeds

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preparation example Construction

[0036] Some embodiments of the present invention also provide a preparation method of a corn seed initiator, which includes: dissolving melatonin and abscisic acid in an alcoholic organic solvent, and then distilling to volume with water, so that in the aqueous solution after distilling The mass percentage of melatonin is 0.015%-0.025% and the mass percentage of abscisic acid is 0.018%-0.028%, wherein the alcoholic organic solvent can be ethanol, ethylene glycol, etc., preferably ethanol.

[0037] Some embodiments of the present invention also relate to a method for promoting low-temperature germination resistance of corn seeds, which includes: using the above-mentioned corn seed initiator to perform surface treatment on corn seeds before sowing.

[0038] Surface treatment of the corn seeds can enable the corn seed initiator to enter the corn seeds from the surface of the corn seeds to act on the corn seeds and promote the probability of germination at low temperatures.

[003...

Embodiment 1

[0052] Present embodiment provides a kind of corn seed initiator, and it comprises melatonin and abscisic acid, wherein, the mass percent of melatonin in corn seed initiator is 0.015%, the mass percent of abscisic acid in corn seed initiator The solvent is ethanol and water, and the volume ratio of ethanol and water is 2:1000.

[0053] The preparation method of the corn seed initiator comprises: dissolving melatonin and abscisic acid in ethanol, and then distilling to volume with water, so that the mass percentage of melatonin in the aqueous solution after the volume is 0.015% and the mass of abscisic acid The percentage is 0.018%.

Embodiment 2

[0055] Present embodiment provides a kind of corn seed initiator, and it comprises melatonin and abscisic acid, wherein, the mass percent of melatonin in corn seed initiator is 0.025%, the mass percent of abscisic acid in corn seed initiator The solvent is ethanol and water, and the volume ratio of ethanol and water is 10:1000.

[0056] The preparation method of the corn seed initiator comprises: dissolving melatonin and abscisic acid in ethanol, and then distilling to volume with water, so that the mass percentage of melatonin in the aqueous solution after the volume is 0.025% and the mass of abscisic acid The percentage is 0.028%.

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Abstract

The invention discloses a corn seed initiator, a preparation method thereof and a method for promoting low temperature germination of corn seeds. The corn seed initiator at least includes: melatonin and abscisic acid, wherein the mass percent of melatonin in the corn seed initiator is 0.015% to 0.025%, and the mass percent of abscisic acid in the corn seed initiator is 0.018% ~0.028%. The preparation method comprises: dissolving melatonin and abscisic acid in an alcoholic organic solvent, and then distilling to volume with water. The method for promoting low-temperature germination resistance of corn seeds comprises: using the above-mentioned corn seed initiator to carry out surface treatment on corn seeds before sowing. Through the joint action of melatonin and abscisic acid and its concentration selection in the initiator, the corn seed can be surface treated by the corn initiator, which can improve the tolerance of corn seed to low temperature and significantly improve the germination of corn seed at low temperature rate and germination quality, and promote seedling growth.

Description

technical field [0001] The invention relates to the technical field of corn planting, in particular to a corn seed initiator, a preparation method thereof and a method for promoting low temperature germination of corn seeds. Background technique [0002] Corn (Zea mays L.) is the largest food crop in my country, and it is also an important feed crop, energy crop and industrial raw material in addition to food. The Songliao Plain is the main production area of ​​spring maize in my country, but low temperature and chilling damage is the main limiting factor for the high and stable yield of maize in the region, and it is also one of the important natural disasters that endanger maize production in high latitude areas and local hills. Among them, there is a severe low temperature every 3 to 5 years. In addition, due to geographical conditions, low temperature stress is more frequent in the eastern cold mountainous areas in spring. Low temperature will reduce the vigor of seeds...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/38A01N37/42A01P21/00A01C1/00A01C1/08
CPCA01C1/00A01C1/08A01N37/42A01N43/38
Inventor 曹庆军李刚杨粉团姜晓莉崔正果孔凡丽曹欣欣
Owner JILIN ACAD OF AGRI SCI
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