CN1729759A - Technique for breeding and cultivating sweet potato new species of - Google Patents
Technique for breeding and cultivating sweet potato new species of Download PDFInfo
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- CN1729759A CN1729759A CN 200510090834 CN200510090834A CN1729759A CN 1729759 A CN1729759 A CN 1729759A CN 200510090834 CN200510090834 CN 200510090834 CN 200510090834 A CN200510090834 A CN 200510090834A CN 1729759 A CN1729759 A CN 1729759A
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Abstract
The invention relates to the new strain breeding of sweet potato Meiying NO.7 and the cultivating technique, belonging to the innovation of the agricultural production technique, which can increase the product yield, farmer income and improve the quality of the living foodstuff. The invention employs the Qunli 2 sweet potato as male parent, Meiying 1 as female parent, through sexual cross combination sifting systemically and breeding the new strain, solving the technique bottleneck of high content of starch, nutriment and high yield; the yield of the field sweet potato is 5000-8000 kilograms with the highest yield 13000 kilograms. The starch content of the spring sweet potato is 35%, the production rate of the sweet dried potato is 47%; the starch content of the summer sweet potato is 29.07%, the production rate of the sweet dried potato is 41.7%; by the chemical examination and analysis from the country department of agriculture (Zhengzhou) detecting center, the fabric content is 1.10%, the crude protein 1.64% and the VC 28.8%. In 2002, the invention gains the invention cooper medal in the world's gardening fair in Kun Ming, Yunnan province.
Description
Technical field
The present invention relates to a kind of Meiying No.7 potato rearing new variety and culture technique, it comprise the used male parent of sexual hybridization, maternal material screening, plant experimentally, observe definite, and the climing control of seedling is long and beat, dig the necessary technology of planting in the cave in cultivation.
Background technology
Sweet potato occupies very heavy position in agricultural production and aspect people's food, development of food industry demand sweet potato amount increases considerably, during sweet potato produces, all parts of the country exist and yield poorly, mouthfeel is bad, starch-containing present situation such as few, so the position that sweet potato accounts in the structure of agricultural production is unreasonable, yield poorly, income is few, and not original meaning plantation of peasant has certain influence for agricultural development and people's life.In order to solve whole nation agricultural, rural area, peasant's problem, change and the adjustment structure of agricultural production, make agricultural produce, increasing peasant income, improve people's life, satisfy food industrial development demand, cultivating and cultivate the sweet potato new varieties becomes the problem that the agricultural science and technology worker is badly in need of solving.According to investigation and retrieval,, starch-containing few though Xuchang, Henan institute of agricultural sciences cultivates ten thousand jin of high white sweet potatoes of output; Xu's potato 28 that the Xuzhou institute of agricultural sciences cultivates, starch-containing many, output is too low.Agricultural new varieties experiment base, Zhengyang County, Henan Province utilizes the artificial pollination sexual hybridization, cultivate the Meiying No.1 sweet potato, though output breaks through 6000 kilograms of per mu yields, economic benefit is still not ideal, owing to yield poorly, starch-containing few, cause the sweet potato can not establishing in large scale.Under such sweet potato production status situation, begin one's study and cultivate new high yield, high starch, high nutrition potato kind.
Summary of the invention
The purpose of this invention is to provide a kind of output height, starch is many, nutrition is good new varieties.
Technical scheme of the present invention is, filters out male parent and female parent from hundred kinds of sweet potatoes, and material use Qunli No.2 sweet potato is as male parent, and it is maternal to utilize the Meiying No.1 sweet potato to do, and cultivates in conjunction with screening and generates a kind of new lines sweet potato through sexual hybridization.
The male parent Qunli No.2 of screening it is characterized in that starch-containing many, VC content is many, but output is not too high.The maternal Meiying No.1 sweet potato of screening, output is up to the 5000-7500 kilogram, but starch-containing less, washiness, raw fiber be many.After selecting male parent, female parent for use, plant respectively, treat to utilize when they are bloomed artificial sexual hybridization in conjunction with 264 strains in the test block, success 6 strains, the potato piece of bearing is many and big, and white juice is sampled sweet little perfume (or spice) from overflowing after cutting.
The new lines Meiying No.7 sweet potato that invention is cultivated, this potato kind except that stem climing sturdy, feature is that potato piece epidermis is little red in addition, potato meat white, profile such as spindle-type, bulk potato rate height, spring potato knot 4-6 piece, summer potato knot 5-8 piece.Individual plant is cultivated output up to 56 kilograms.After the potato piece expands, smooth no dehiscence furrow, and hide storage.Rudiment is strong, and anti-fertile poor soil earth is strong.Prepared food is and fragrant and sweet, and mouthfeel is good, and like Chinese chestnut pulp, sweet potato meat is nutritious, and stronger anti-root rot, stem eelworm disease, black spot are arranged.
Sexual hybridization is cultivated and the new varieties Meiying No.7 sweet potato of breeding, and through inspection center of the national Ministry of Agriculture (Zhengzhou) assay, the spring potato is starch-containing 35%, dried potatoes producing rate 47%; The summer potato is starch-containing 29.07%, dried potatoes producing rate 41.7%; Fibre-bearing 1.10% contains crude protein 1.64%, contains VC28.8mg%.Yield of sweet potato mu family, land for growing field crops 5000-8000 kilogram, maximum output reaches 13000 kilograms.
Embodiment
During plantation, spring potato line-spacing 2.4 chis, spacing in the rows 0.6 chi, about every mu 4167 cave, every cave 2 young plants.Summer potato line-spacing 2.1 chis, spacing in the rows 0.6 chi, about every mu 4762 cave, every cave 2 young plants, intersection is planted.When climing seedling is grown, should pluck the top heart behind 7 leaves, allow climing from life.Spray foliage fertilizer and swelling agent vegetative period, root appends phosphate fertilizer and mixes fertile.Fully moisture is irrigate in spray, and the growth of potato piece is faster bigger.
At present, existing economize in the whole nation introduced a fine variety more.
Claims (5)
1. a sweet potato new species is cultivated and culture technique, it is characterized in that it comprises that material selection Qunli No.2 sweet potato makes male parent, and the Meiying No.1 sweet potato does maternal, through sexual hybridization combination, the new varieties of cultivating behind the screening system.
2. sweet potato new species according to claim 1 is cultivated and culture technique, it is characterized in that material selection is that the Qunli No.2 sweet potato makes male parent, and the Meiying No.1 sweet potato does maternal; Material selection will be through planting experimentally, observing and screening for many years on the spot, measures male parent, maternal pluses and minuses, could sexual hybridization.
3. sweet potato new species according to claim 1 and 2 is cultivated and culture technique, it is characterized in that, sweet potato is liked sunlight vegetative period, seedling is overgrow long fast, is difficult for long seedling, during 7 blades of the control climing length of seedling, with the climing top heart of plucking of its seedling, allow its strain grow thickly, it serves as easy propping up climing with 5-7.
4. sweet potato new species according to claim 3 is cultivated and culture technique, it is characterized in that, during the knot potato piece, sprays foliage fertilizer, sprays fruit-setting agent and enlarging agent, impels the potato piece to tie increase more, and root imposes phosphate fertilizer, composite fertilizer; The sufficient aquatic products of spraying, output is higher.
5. sweet potato new species according to claim 4 is cultivated and culture technique, it is characterized in that, beats ridge after the arable land uses sufficient base fertilizer before the sowing, digs the cave on the ridge, and the spring potato digs about 4167 caves, cave, line-spacing 2.1 chis, spacing in the rows 0.6 chi; The summer potato digs about 4762 caves, cave, line-spacing 2.1 chis, spacing in the rows 0.6 chi; Every dibbling seedling 2 strains, intersection is planted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510090834 CN1729759A (en) | 2005-08-18 | 2005-08-18 | Technique for breeding and cultivating sweet potato new species of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510090834 CN1729759A (en) | 2005-08-18 | 2005-08-18 | Technique for breeding and cultivating sweet potato new species of |
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| Publication Number | Publication Date |
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| CN1729759A true CN1729759A (en) | 2006-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 200510090834 Pending CN1729759A (en) | 2005-08-18 | 2005-08-18 | Technique for breeding and cultivating sweet potato new species of |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715724B (en) * | 2009-10-23 | 2012-01-04 | 徐州市农业科学院 | Sweet potato distant hybridization breeding method with high success rate |
| CN102498843A (en) * | 2011-10-14 | 2012-06-20 | 湖南省作物研究所 | Sweet potato cultivation method in hills and mountains |
| CN103202181A (en) * | 2013-04-23 | 2013-07-17 | 杜振中 | Sweet potato cross-breeding method |
| CN103583278A (en) * | 2013-10-17 | 2014-02-19 | 固镇县玉鹏蔬菜开发有限责任公司 | Control method of black spot in southern Hebei sweet potato |
| CN104938326A (en) * | 2015-07-06 | 2015-09-30 | 山东省农业科学院作物研究所 | Rapid seed selection method of high-anthocyanin purple sweet potato variety |
| CN104938328A (en) * | 2015-07-06 | 2015-09-30 | 山东省农业科学院作物研究所 | Method for breeding root rot resistant sweet potato variety |
-
2005
- 2005-08-18 CN CN 200510090834 patent/CN1729759A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715724B (en) * | 2009-10-23 | 2012-01-04 | 徐州市农业科学院 | Sweet potato distant hybridization breeding method with high success rate |
| CN102498843A (en) * | 2011-10-14 | 2012-06-20 | 湖南省作物研究所 | Sweet potato cultivation method in hills and mountains |
| CN102498843B (en) * | 2011-10-14 | 2013-12-11 | 湖南省作物研究所 | Sweet potato cultivation method in hills and mountains |
| CN103202181A (en) * | 2013-04-23 | 2013-07-17 | 杜振中 | Sweet potato cross-breeding method |
| CN103583278A (en) * | 2013-10-17 | 2014-02-19 | 固镇县玉鹏蔬菜开发有限责任公司 | Control method of black spot in southern Hebei sweet potato |
| CN104938326A (en) * | 2015-07-06 | 2015-09-30 | 山东省农业科学院作物研究所 | Rapid seed selection method of high-anthocyanin purple sweet potato variety |
| CN104938328A (en) * | 2015-07-06 | 2015-09-30 | 山东省农业科学院作物研究所 | Method for breeding root rot resistant sweet potato variety |
| CN104938328B (en) * | 2015-07-06 | 2017-08-29 | 山东省农业科学院作物研究所 | A kind of selection of anti-root rot sweet potato variety |
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