Method for promoting germination of aged hybrid seeds of sugarcane

A hybrid seed and sugarcane technology, applied in the field of sugarcane seed germination, to achieve the effect of little external influence, strong operability and easy implementation

Inactive Publication Date: 2015-11-18
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no ideal method to promote the germination of aged hybrid seeds of sugarcane

Method used

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  • Method for promoting germination of aged hybrid seeds of sugarcane
  • Method for promoting germination of aged hybrid seeds of sugarcane

Examples

Experimental program
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Effect test

Embodiment 1

[0015] A method for promoting the germination of aged sugarcane hybrid seeds, the method steps are as follows:

[0016] 1) Select seeds: aged sugarcane hybrid seeds are generally stored in refrigerators or freezers at -20 to -18°C, and select aged sugarcane seeds that are plump, undamaged, and free of shriveled grains for later use;

[0017] 2) Use GA to select the spare seed 3 Seed soaking in solution: Weigh 0.1 g of the selected aged sugarcane hybrid seeds, wrap them with gauze, and then soak them in GA with a volume concentration of 100 mg / L 3 In the solution, clear water was used as a control, and three repetitions were set for each concentration, and the seeds were alternately soaked for 24 hours in 14 hours of light and 10 hours of darkness under a light intensity of 3000LX to obtain treated sugarcane seeds;

[0018] 3) Place the sugarcane seeds treated in step 2) in an incubator for cultivation: when the seed soaking time is up, clean the treated sugarcane seeds with c...

Embodiment 2

[0020] A method for promoting the germination of aged sugarcane hybrid seeds, the method steps are as follows:

[0021] 1) Select plump, non-damaged, and non-shrunken aged sugarcane seeds for subsequent use;

[0022] 2) Use GA to select the spare seed 3 Seed soaking in solution: Weigh 0.1 g of the selected aged sugarcane hybrid seeds, wrap them with gauze, and then soak them in GA with a volume concentration of 150 mg / L 3 In the solution, under light intensity 3000LX, 14h of light and 10h of darkness are alternately soaked for 24h to obtain treated sugarcane seeds;

[0023] 3) Place the sugarcane seeds treated in step 2) in an incubator for cultivation: when the seed soaking time is up, clean the treated sugarcane seeds with clear water, put them into a petri dish with two layers of filter paper, add distilled water to keep the filter paper moist, Wrap it with a plastic wrap, and place it in a constant temperature and humidity incubator with a light intensity of 3000LX for 1...

Embodiment 3

[0025] A method for promoting the germination of aged sugarcane hybrid seeds, the method steps are as follows:

[0026] 1) Select plump, non-damaged, and non-shrunken aged sugarcane seeds for subsequent use;

[0027] 2) Use GA to select the spare seed 3 Seed soaking in solution: Weigh 0.1g of the selected aged sugarcane hybrid seeds, wrap them with gauze, and then soak them in GA with a volume concentration of 200mg / L 3 In the solution, under light intensity 3000LX, 14h of light and 10h of darkness are alternately soaked for 24h to obtain treated sugarcane seeds;

[0028] 3) Place the sugarcane seeds treated in step 2) in an incubator for cultivation: when the seed soaking time is up, clean the treated sugarcane seeds with clear water, put them into a petri dish with two layers of filter paper, add distilled water to keep the filter paper moist, Wrap it with a plastic wrap, and place it in a constant temperature and humidity incubator with a light intensity of 3000LX for 14 ...

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Abstract

A method for promoting germination of aged hybrid seeds of sugarcane comprises steps as follows: the plump, non-damage and non-shriveled aged hybrid seeds are selected and wrapped with gauze, the wrapped seeds are immersed in a GA3 solution with the concentration being 100 mg / L-200 mg / L and immersed alternately under the sunlight with the illumination intensity being 3,000 LX for 14 hours and in the dark for 10 hours, and treated sugarcane seeds are obtained; the seeds are cleaned with clear water and put in a culture dish with two layers of filter paper, distilled water is added, the filter paper is kept moist, the sugarcane seeds are wrapped with a preservative film and put in a constant temperature and constant humidity incubator with the temperature being 30 DEG C plus or minus 2 DEG C and the humidity being 60%-90% to be cultured under the sunlight with the illumination intensity being 3,000 LX for 14 hours and in the dark for 10 hours alternately , and germinated seeds are obtained. The operability is high, implementation is easy, the method is less affected by the outside, the germination speed of the aged hybrid seeds of the sugarcane is high, germination is one day earlier than that with a conventional method, the germination rate is high, the seedling height can be remarkably increased, and seedlings grow rapidly and orderly.

Description

technical field [0001] The invention relates to the technical field of sugarcane seed germination. Background technique [0002] Sugarcane hybrid seeds are an important basis to ensure the smooth progress of sugarcane breeding. In order to maintain the vitality of sugarcane flower panicle seeds, refrigerators are mainly used for storage at present, and with the prolongation of storage time, the germination ability of sugarcane seeds gradually decreases. [0003] Under normal conditions, people call the seeds stored for more than one year after harvesting as aged seeds. Sowing with old seeds often results in deformed seedlings, abnormal development, dwarfing of plants, shortened growth period, weakened resistance and decreased yield. Physiological changes and hereditary changes, such as growth hormones, decreased physiological activities of various enzymes, and even chromosomal aberrations, seriously affect the germination, viability, germination and growth of seeds, and ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/02A01C1/00
Inventor 朱建荣刘家勇吴才文陈学宽赵俊赵培方赵丽萍覃伟姚丽杨昆夏红明昝逢刚吴转娣应雄美武晋宇刘振环
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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