CN102754542B - Method for breaking dormancy of yam bulbil - Google Patents
Method for breaking dormancy of yam bulbil Download PDFInfo
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- CN102754542B CN102754542B CN201210279453.3A CN201210279453A CN102754542B CN 102754542 B CN102754542 B CN 102754542B CN 201210279453 A CN201210279453 A CN 201210279453A CN 102754542 B CN102754542 B CN 102754542B
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- bulbil
- yam
- nutrient solution
- dormancy
- chinese yam
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Abstract
The invention discloses a method for breaking dormancy of yam bulbil. The specific method includes immersing bulbil harvested 60 days before into 2-5% hydrogen peroxide for 20-24 hours, washing the bulbil through distilled water for 2-3 times, evenly burying the bulbil into fine sand, immersing the mixture through a nutrient solution, placing the mixture into a cultivation box under the temperature of 22-26 DEG C for germination acceleration, conducting pouring through the nutrient solution every two days to keep the sand moist till the yam bulbil sprouts. The nutrient solution includes that each liter of water contains 0.8-0.9g of NH4NO3, 0.9-1.0g of KNO3, 0.1-0.2g of MgSO4-7H2O, 0.1-0.2g of KH2PO4 and 0.2-0.3g of CaCl2-2H2O. The method can break the dormancy of the yam bulbil, enables the dormancy to be shortened, enables planting time to be ahead of time and can improve yam yield and quality. Simultaneously, the method can improve bud ratio of bulbil, saves seed, effectively improves yam yield and is strong in practicability. The method is suitable for not only common yam cultivation and but also dioscorea opposita, especially iron rod ram.
Description
Technical field
The present invention relates to agricultural planting biological technical field, be specifically related to a kind of method of breaking the dormancy of Chinese yam bulbil.
Background technology
Chinese yam is the perennial voluble herb of Dioscoreaceae, is one of a kind of specialty economies crop that collects medicine, dish, grain dual-purpose, has very high edible, medicinal economic worth and industry development potential quality.The stem tuber meat of Chinese yam is fine and smooth, nutritious, not only contain the nutrient components such as abundant starch, protein, vitamin and carbohydrate, but also the nutrient components such as the several amino acids that contains needed by human and mineral matter have the health-care efficacies such as antiviral, anti-ageing, antitumor.Chinese yam can provide a large amount of glucides for the mankind as food, can provide bioactive ingredients again, for human body strengthens immunity, inhibition cancer cell, adjusting functions of intestines and stomach, improves oxidation resistance and reduces blood pressure and blood lipoid and promotes anti-inflammation etc., can effectively reduce the generation of hypertension, coronary heart disease, diabetes chronic diseases, be conducive to health.
Bulbil refers to the bulbil that in Chinese yam axil, lateral bud grows up to, rounded or oval, is a species transformation stem.After bulbil results, can enter resting stage, after dormancy finishes, can germinate and form new plant.But bulbil resting stage is longer, and generally the 10-11 month gathers in the crops then, after the rudiment in April of next year, sow and could germinate, resting stage reaches individual month of 4-6.In bulbil sleep procedure, under control environment, adventive root can only be sent, effective root can not be germinateed and produce.The in good time cultivation of the properties influence Chinese yam that bulbil resting stage is longer.How breaking the resting stage of Chinese yam bulbil, improve its bud ratio, is the practical problem that need to research and solve.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of method of breaking the dormancy of Chinese yam bulbil is provided, and the method can shorten the resting stage of bulbil, promotes bulbil to sprout in advance, can improve the bud ratio of Chinese yam bulbil simultaneously.
Technical scheme of the present invention:
A method of breaking the dormancy of Chinese yam bulbil, comprises the following steps:
(1) in Chinese yam bulbil, gather in the crops after 60 days the H that is 2-5% by mass concentration
2o
2soak 20-24 hour, then use distilled water flushing 2-3 time, be evenly embedded in fine sand;
(2) with nutrient solution, soak fine sand, the incubator of putting into temperature and be 22-26 ℃ carries out vernalization;
(3) within every two days, with nutrient solution pouring once maintenance sandy soil are moistening, until Chinese yam bulbil is sprouted.
The composition of described nutrient solution is: in every premium on currency, contain NH
4nO
30.8-0.9g, KNO
30.9-1.0g, MgSO
47H
2o 0.1-0.2g, KH
2pO
40.1-0.2g, CaCl
22H
2o 0.2-0.3 g.
positive beneficial effect of the present invention:
1, the present invention can break the resting stage of Chinese yam bulbil, by the resting stage of original 4-6 month, shortens to 2-3 month, and implantation time, by original annual April, is advanced to annual February.The method has been broken the resting stage of Chinese yam, makes its implantation time in advance, can extend its breeding time by film covering method, to improve the yield and quality of Chinese yam; Meanwhile, the method can make the bud ratio of bulbil bring up to 56-70%, and the bud ratio of the bulbil check experiment of processing with distilled water is equally only 5-7%.The method can not only be done sth. in advance the implantation time of Chinese yam, can also save seed, effectively improves Chinese yam output.
2, the inventive method is convenient to plant according to the situation of sprouting in good time, improves the growth regularity of plant, is convenient to field management.The method practicality is stronger, is not only applicable to the plantation of Chinese yam, is also applicable to the particularly plantation of iron rod yam of Huai Chinese yam.This method has good economic worth, suitable applying.
3, in the present invention, use hydrogen peroxide reagent to soak bulbil, hydrogen peroxide not only plays the effect of breaking the dormancy of Chinese yam bulbil, but also there is stronger permeability and oxidation, can kill the microorganism on bulbil surface, when breaking the dormancy of Chinese yam bulbil, bulbil is had to disinfective action.
Embodiment
Following examples are to further illustrate of the present invention, are convenient to understand better and implement the present invention, do not represent limitation of the present invention.
Embodiment 1: break the method for Chinese yam bulbil dormancy, comprise the following steps:
(1) choose results 60 days, complete unabroken iron rod yam bulbil, the hydrogen peroxide dipping that is 2% by mass concentration 24 hours;
(2) with distilled water flushing 2-3 time, with nutrient solution, soak, then shallow embedding is in fine sand, and the incubator that is placed in temperature and is 26 ℃ is cultivated; The composition of nutrient solution is: in every premium on currency, contain NH
4nO
30.8g, KNO
30.9g, MgSO
47H
2o 0.2g, KH
2pO
40.1g, CaCl
22H
2o 0.2g; With distilled water, be treated to contrast, each is processed by 50 Chinese yam bulbils, and twice repetition established in experiment.
(3) within every two days, with nutrient solution, water sandy soil once, to keep moistening;
(4) observe the situation of sprouting of bulbil, a bud ratio of every 15 days statistics.
Result statistics, plants the 45th day that cultivates, and with the bulbil bud ratio that hydrogen peroxide is processed, is 30%, and the bulbil contrast of processing with distilled water is not sprouted.Planting the 60th day after cultivating, is 70% with the bulbil bud ratio that hydrogen peroxide is processed, and the bulbil contrast bud ratio of processing with distilled water is 7%, and all plant that emerge are equal can normal growth.
Embodiment 2: break the method for Chinese yam bulbil dormancy, the method comprises the following steps:
On December 27th, (1) 2011, choose results 60 days, complete unabroken also Chinese yam bulbil, the hydrogen peroxide dipping that is 5% by mass concentration 22 hours;
(2) use distilled water flushing 2-3 time again, with nutrient solution, soak, then shallow embedding is in fine sand, and the incubator that is placed in temperature and is 25 ℃ is cultivated; The composition of nutrient solution is: in every premium on currency, contain NH
4nO
30.8g, KNO
30.9g, MgSO
47H
2o 0.1g, KH
2pO
40.1 g, CaCl
22H
2o 0.3g.With distilled water, be treated to contrast, each is processed by 50 Chinese yam bulbils, and twice repetition established in experiment;
(3) within every two days, with nutrient solution, water sandy soil once, to keep moistening;
(4) observe the germination of bulbil, a bud ratio of every 15 days statistics.
Result statistics, plants the 45th day that cultivates, and with the bulbil bud ratio that hydrogen peroxide is processed, is 40%, and the bulbil contrast of processing with distilled water is not sprouted.Planting the 60th day that cultivates, is 56% with the bulbil bud ratio that hydrogen peroxide is processed, and the bulbil contrast bud ratio of processing with distilled water is 6%, and all plant that emerge are equal can normal growth.
Claims (1)
1. a method of breaking the dormancy of Chinese yam bulbil, is characterized in that, the method comprises the following steps:
(1) in Chinese yam bulbil, gather in the crops after 60 days the H that is 2-5% by mass concentration
2o
2soak 20-24 hour, then use distilled water flushing 2-3 time, be evenly embedded in fine sand;
(2) with nutrient solution, soak fine sand, the incubator of putting into temperature and be 22-26 ℃ carries out vernalization;
(3) within every two days, with nutrient solution pouring once maintenance sandy soil are moistening, until Chinese yam bulbil is sprouted;
The NH of the composition of described nutrient solution in every premium on currency
4nO
30.8-0.9g, KNO
30.9-1.0g, MgSO
47H
2o 0.1-0.2g, KH
2pO
40.1-0.2g, CaCl
22H
2o 0.2-0.3 g forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279453.3A CN102754542B (en) | 2012-08-08 | 2012-08-08 | Method for breaking dormancy of yam bulbil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279453.3A CN102754542B (en) | 2012-08-08 | 2012-08-08 | Method for breaking dormancy of yam bulbil |
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| Publication Number | Publication Date |
|---|---|
| CN102754542A CN102754542A (en) | 2012-10-31 |
| CN102754542B true CN102754542B (en) | 2014-03-19 |
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| CN201210279453.3A Expired - Fee Related CN102754542B (en) | 2012-08-08 | 2012-08-08 | Method for breaking dormancy of yam bulbil |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102907239A (en) * | 2012-11-12 | 2013-02-06 | 温县物华怀药有限公司 | Breeding method for iron stick yam |
| CN103168589A (en) * | 2013-03-08 | 2013-06-26 | 江苏省农业科学院 | Dormancy breaking method for Chinese yam bulbels |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455140A (en) * | 2009-01-09 | 2009-06-17 | 云南农业大学 | Yam bulbil dormancy-breaking germination-accelerating method |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101455140A (en) * | 2009-01-09 | 2009-06-17 | 云南农业大学 | Yam bulbil dormancy-breaking germination-accelerating method |
Non-Patent Citations (4)
| Title |
|---|
| 多效唑和矮壮素破除山药零余子休眠的效应;龙雯虹等;《中国蔬菜》;20110615(第12期);56-59 * |
| 张洪艳.破除种子休眠的几种常用方法.《安徽农学通报》.2010,第16卷(第2期),167. |
| 破除种子休眠的几种常用方法;张洪艳;《安徽农学通报》;20100125;第16卷(第2期);167 * |
| 龙雯虹等.多效唑和矮壮素破除山药零余子休眠的效应.《中国蔬菜》.2011,(第12期),56-59. |
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