CN1202705C - Method for breeding lotus root varieties - Google Patents
Method for breeding lotus root varieties Download PDFInfo
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- CN1202705C CN1202705C CN 03128372 CN03128372A CN1202705C CN 1202705 C CN1202705 C CN 1202705C CN 03128372 CN03128372 CN 03128372 CN 03128372 A CN03128372 A CN 03128372A CN 1202705 C CN1202705 C CN 1202705C
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- lotus root
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Abstract
The present invention discloses a method for breeding lotus root varieties, which comprises the steps that resource collection is firstly carried out to obtain parent plant lines; secondly, continuous hybridization is carried out, thirdly, continuous selection is carried out for selecting variety lines; fourthly, good variety lines are enlarged and bred so as to be convenient for large-region test. The present invention has the advantages of compact experimental process, convenient operation, stability and reliability, and the obtained good variety lines have the advantages of high yield and low cost and enhance the production level of lotus roots.
Description
Technical field
The present invention relates to the seed selection of lotus root varieties, more specifically relate to a kind of method of utilizing wild lotus root resource seed selection good quality and high output lotus root varieties.
Background technology
Lotus rhizome is the important aquatic economic plants of China, and cultivation history is long.Yangshao culture ruins, Henan before modern more than the 5000 year charing lotus seed that once had been unearthed proves according to archaeological excavation, the Western Han Dynastry of China before more than 2000 years, and lotus root is edible as vegetables.Along with people to the understanding of lotus rhizome and progressively domestication, make it progressively become the vegetables that people like---lotus root (underground expand stem), but because long-term planting, the lotus rhizome quality is degenerated day by day, output is also more and more lower.
The sixties in 20th century, the domestic researcher of having begins collecting of lotus rhizome resource, collects 33 parts of resources altogether, wherein spends 20 parts in lotus, 6 parts in lotus root lotus, 7 parts in seed lotus.At the beginning of the eighties, China part R﹠D institution begins the resource of lotus and collects, preserves and utilize work.125 parts of resources are collected by Wuhan Inst. of Botany, Chinese Academy of Sciences, wherein spend 71 parts in lotus, 44 parts in lotus root lotus, 10 parts in seed lotus.The Wuhan Vegetable Research Institute was born " aquatic vegetable resource collection and preserve technical research " in 1986, and had set up " aquatic vegetable resource garden, national germplasm Wuhan ".R﹠D institutions such as Jiangsu Agricultural College, Fujian, Jiangxi, Hunan also to the lotus rhizome resource acquisition utilization do a lot.
With regard to the lotus rhizome breeding method, what adopt at present mainly is that to utilize after systematic breeding method or tame lotus root and the hybridization of tame lotus root be choosing method (as the Wuhan Vegetable Research Institute) or direct systematic breeding method (as Wuhan Inst. of Botany, Chinese Academy of Sciences), and adopts wild lotus root resource to take turns hybridization, asexual stablize and the selection of successive selection still is not reported so far through preferred back and tame lotus root more.
Summary of the invention:
The object of the present invention is to provide a kind of method of lotus root varieties seed selection, experimentation is succinct, and is easy to operate, and experimental result is effective.This method can be used in the seed selection of lotus root varieties, especially utilizes the excellent resources of wild lotus root to select the lotus root varieties of good quality and high output.
To achieve these goals, the present invention by the following technical solutions.
The method that the present invention proposes has the following steps:
1, wild lotus root and tame lotus root resource acquisition and comparison.Collect Honghu, the wild lotus root resource of Qianjiang Hou Hu (returning the lake, gulf),, preferably obtain parent plant system by comparative test.Require that stamen development is good, pollen can be educated, the main quality index is higher by about 10% than local tame lotus root kind (for example half of rich, ring lotus root, force are planted No. 2, No. 2, No. 1, E Lian, E Lian, No. 3, E Lian, No. 4, E Lian).
2, continuous hybrid.By to wild lotus root artificial emasculation or gather its pollen (and being continuous), ring lotus root rich with tame lotus root kind one side of something, force are planted No. 2 and hybridized combo respectively.Hybridization for the first time:, obtain " wild lotus root/one side of something is rich " with wild lotus root and the half of rich hybridization of tame lotus root kind.Hybridization for the second time: hybridize with " wild lotus root/one side of something is rich " and tame lotus root kind ring lotus root, obtain " wild lotus root/one side of something rich // ring lotus root ".Hybridization for the third time: plant No. 2 hybridization with " wild lotus root/one side of something rich // ring lotus root " and tame lotus root kind force, obtain " wild lotus root/one side of something is rich // the ring lotus root ///force plants No. 2 " i.e. " F1/ // tame lotus root ", leave and take about 3000 seedpod of the lotus.
3, successive selection.Select for the first time: about 3000 seedpod of the lotus are planted in the container of same size, obtain 3000 groups of lotus rhizome plant individualities, be designated as A3000; Its resistance (disease-resistant, pest-resistant, anti-low temperature, anti-other damage) is observed in attention in vegetative period, removes and spends more many flower buds and the relatively poor strain system of regularity, and about 300 strains of selecting and remain are to be designated as B300.Select for the second time: 300 strain systems (being above-mentioned B300) are planted in same containers, and 30 the excellent strains of selecting and remain are to be designated as C30.Select for the third time: 30 excellent strain systems (being above-mentioned C30) are planted in larger container, measure proterties such as its output, resistance, nutrient component, 10 strains of selecting and remain are designated as D10.Select for the 4th time: 10 the excellent strains (being above-mentioned D10) after preferred are planted in large-scale cement pond (＞10m
2), three repetitions are set, compare its output height, 5 the best strains of selecting and remain at last are designated as P1-P5.
4, the expanding propagation of excellent strain.To 5 best strain P1-P5 that select and remain, all expanding propagation is to 4000 strains, so that the bigger regional test demonstration of final participation.
The present invention compared with prior art, have the following advantages and effect: one, the present invention utilizes wild lotus root genetic resources, proposes and adopt sexual hybridization, asexual stable lotus rhizome cross breeding method first, the breeding method maturation, technical strong, reliable and stable, obtain 5 of excellent strains, the output height, cost is low, has improved the lotus rhizome level of production; Its two, this method experimentation is succinct, easy to operate, experimental result is effective, and the professional of this professional domain all can use this method to carry out the lotus rhizome breeding of new variety.
Embodiment
Collect Honghu, the wild lotus root resource of Qianjiang Hou Hu (returning the lake, gulf), by comparative test, preferably obtain parent plant system, require that stamen development is good, pollen can be educated, the main quality index is higher by about 10% than local tame lotus root kind (for example half of rich, ring lotus root, force are planted No. 2, No. 2, No. 1, E Lian, E Lian, No. 3, E Lian, No. 4, E Lian); By to wild lotus root artificial emasculation or gather its pollen (and being continuous), ring lotus root rich with tame lotus root kind one side of something, force are planted No. 2 and hybridized combo respectively, obtain " wild lotus root/one side of something is rich // the ring lotus root ///force plants No. 2 " brief note is " F1/ // tame lotus root ", leaves and takes about 3000 seedpod of the lotus; About 3000 seedpod of the lotus are planted in the container of same size, obtain 3000 groups of lotus rhizome plant individualities; Based on this, select through too much wheel that (A3000 → B300 → C30 → D10 → P1～P5) obtains 5 of excellent strains (P1～P5).With compare with veriety, these 5 excellent strain resistance disease resistances are good, output improves 50%, quality improves 10%, and (the main quality index that records excellent strain is: starch 13-15%, total reducing sugar 4.5-5.5%, reducing sugar 1.1-1.5%, vitamin content 0.85-0.95mg/100g).Maximum individual main lotus root reaches 2 meters, and the individual plant lotus root weighs 10 kilograms, saves long 30-50cm, the thick girth 30cm of body, and joint number 3-5 joint the mud middle-shallow layer, and blade is very large, and lotus stem is sturdy, lotus pink or shallow white, regeneration divides principal stresses strong, per mu yield (667m
2) up to more than 3000 kilograms.
Claims (1)
1, a kind of method of lotus root varieties seed selection, it comprises the following steps:
A, wild lotus root and tame lotus root resource acquisition and comparison are collected wild lotus root from Qianjiang Hou Hu, require that the stamen development of wild lotus root resource is good, pollen can be educated, and the main quality index is higher by 10% than local tame lotus root kind;
B, the Hybrid that above-mentioned plantation is obtained connect hybridization, by to wild lotus root artificial emasculation or gather pollen respectively with tame lotus root inter breed crossing combo, hybridization for the first time with wild lotus root and the rich hybridization of tame lotus root kind one side of something, obtains that wild lotus root/one side of something is rich; Hybridization is for the second time hybridized with wild lotus root/the rich and tame lotus root kind of one side of something ring lotus root, obtain wild lotus root/one side of something rich // the ring lotus root; Hybridization for the third time, with wild lotus root/one side of something rich // ring lotus root and tame lotus root kind force plant No. 2 hybridization, obtain wild lotus root/one side of something rich // the ring lotus root ///force plants No. 2;
C, successive selection are selected: 3000 seedpod of the lotus are planted in the container of same size, obtain 3000 groups of lotus rhizome plant individualities for the first time; In vegetative period, note observing its resistance, remove the strain system that spends more many flower buds and regularity difference, 300 the strain systems of selecting and remain; Select for the second time: the kind of selection is identical, and 300 strain systems are planted in same containers, 30 the strain systems of selecting and remain; Select for the third time: 30 strain systems are planted in container, measure its output, resistance, nutrient component proterties, 10 strains of selecting and remain; Select for the 4th time: 10 strains after will selecting are planted in cement pit, and three repetitions are set, and compare its output height, 5 strains of selecting and remain at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03128372 CN1202705C (en) | 2003-07-24 | 2003-07-24 | Method for breeding lotus root varieties |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03128372 CN1202705C (en) | 2003-07-24 | 2003-07-24 | Method for breeding lotus root varieties |
Publications (2)
| Publication Number | Publication Date |
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| CN1481672A CN1481672A (en) | 2004-03-17 |
| CN1202705C true CN1202705C (en) | 2005-05-25 |
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| CN 03128372 Expired - Fee Related CN1202705C (en) | 2003-07-24 | 2003-07-24 | Method for breeding lotus root varieties |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104012397A (en) * | 2014-06-13 | 2014-09-03 | 扬州大学 | Method for improving hybrid fruiting rate of lotus root |
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Granted publication date: 20050525 Termination date: 20120724 |