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Yam bulbil dormancy-breaking germination-accelerating method

A technology of zero-surplus seeds and yams, which is applied in the field of agricultural planting biology, can solve the problems of long dormancy period and difficult germination of yam zero-surplus seeds, and achieve the effects of improving plant growth uniformity, shortening dormancy period, and improving growth uniformity

Inactive Publication Date: 2011-06-29
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a method for breaking dormancy and promoting germination of yam zero surplus seeds, so as to solve the problems of long dormant period and difficult germination of Chinese yam zero surplus seeds

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] 1), on December 6, 2006, select undamaged zero-yellow seeds that were harvested in the same year, soak the zero-yellow seeds with 500 times of carbendazim solution for 10 minutes, rinse them with water after taking them out, and dry the water on the surface of the zero-yellow seeds.

[0016] 2), make 40% paclobutrazol wettable powder into 1mg / L aqueous solution.

[0017] 3) Put the zero yuzi into a petri dish with a diameter of 10 cm, inject 1 mg / L paclobutrazol solution, the solution depth is about 2 / 3 of the zero yuzi diameter, and place it in an incubator at 25°C for processing. During the treatment process, replace the 1mg / L paclobutrazol solution once a week. Before changing the solution, rinse the fenugreek with running water to remove the sticky matter secreted by the fenugreek to prevent the rotten cherries. Continue soaking in the container with 1mg / L paclobutrazol solution. The treatment of soaking the zero surplus seeds in clear water was set as the control....

Embodiment 2

[0020] 1), with the step 1 of embodiment 1.

[0021] 2), 40% paclobutrazol wettable powder is made into 10mg / L aqueous solution.

[0022] 3), except that the paclobutrazol concentration used is 10mg / L, all the other steps are the same as step 3) of embodiment 1.

[0023] 4), observe the germination situation of the zero surplus seeds, and plant the germinated zero surplus seeds. On December 31, 2006, the germination rate of the seeds of the zero surplus treated with the paclobutrazol solution of 10mg / L reached 50%, and on January 21, 2007, 96% of the zero surplus seeds germinated, while the contrast treated with clear water had only 8% final germination rate. The germinated zero surplus seeds were planted in plastic pots equipped with humus soil, and put into a 25°C incubator for cultivation. After two weeks, 97% of the seedlings survived and grew normally.

Embodiment 3

[0025] 1), with the step 1 of embodiment 1.

[0026] 2), 40% paclobutrazol wettable powder is made into the concentration of 100mg / L.

[0027] 3), except that the paclobutrazol concentration used is 100mg / L, all the other steps are with the step 3) of embodiment 1.

[0028] 4), observe the germination situation of the zero surplus seeds, and plant the germinated zero surplus seeds. On December 31, 2006, the germination rate of the seeds treated with the paclobutrazol solution of 100mg / L reached 25%, and on January 21, 2007, 90% of the seeds germinated, while the germination rate of the control treated with clear water was only 6%. Rooted and germinated seedlings were planted in plastic pots filled with humus, and placed in a 25°C incubator for cultivation. After two weeks, 95% of the seedlings survived and grew normally.

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Abstract

The present invention discloses a Chinese yam Dioscorea opposita dormancy braking and seed germination promoting method, comprising steps of soaking the Dioscorea opposita harvested in the current year in a 500 time carbendazim solution for 10 minutes, taking out the Dioscorea opposita, cleaning the Dioscorea opposita by water and drying the water on the surface of the Dioscorea opposita in air; making up a 1mg / L -100mg / L aqueous solution of 40% paclobutrazol wettable powder; putting disinfected Dioscorea opposita into a flat-bottom container to soak with a solution depth of about two thirds of the diameter of Dioscorea opposita, processing under a temperature of 25 DEG C, replacing paclobutrazol solution one time every week, washing the Dioscorea opposita by running water before replacing the solution, drying the water on the surface of the Dioscorea opposita in the air, and then putting the dried Dioscorea opposita in the flat-bottom container for soaking by the paclobutrazol to germination; Therefore, the germination percentage of the Dioscorea opposita of the harvest year can reach to 25%-50% by using the method, more than 90% Dioscorea opposita can be induced to be germinated and take root in the end of January of the second year, which greatly advances the germination period of Dioscorea opposita and solves the problems of long period of dormancy and difficult germination of Chinese yam Dioscorea opposita.

Description

Technical field: [0001] The invention relates to the field of agricultural planting biotechnology, in particular to a method for breaking dormancy and promoting germination of yam zero surplus seeds. technical background: [0002] Yam is a plant of the genus Dioscorea in the Dioscoreaceae family. Its enlarged underground tubers are rich in starch, vitamins, protamine, and mineral elements such as phosphorus, calcium, magnesium, iron, zinc, copper, and potassium. It tastes good and is suitable for all ages. No tire of nutrition. Chinese traditional Chinese medicine believes that yam is flat and sweet in nature, enters the lungs, spleen, and stomach, and has the functions of invigorating the spleen, tonifying the kidney, and benefiting the essence. , is the main component of Shenling Baizhu Pills, Yougui Pills, Zhibai Dihuang Pills, Liuwei Dihuang Pills and other Chinese patent medicines. [0003] Lingyuzi is the bulbil, which is born in the leaf axils of the yam stems and v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00
Inventor 郭华春龙雯虹王琼
Owner YUNNAN AGRICULTURAL UNIVERSITY
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