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A kind of method for breeding of tobacco with flat top ridge and double rows with high density planting in the south and adding generation

A high-density, flat-top technology, applied in tobacco cultivation, botanical equipment and methods, fertilization methods, etc., can solve the problem of missing the best time for southern breeding land, breeders can not be selected in time, and breeding materials cannot be arranged, etc. problem, achieve the effect of saving land, increasing the number of plants planted per acre, and saving breeding costs

Inactive Publication Date: 2018-03-13
HUBEI TOBACCO SCI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, when various tobacco breeding units and other crop breeding units gathered in Sanya, Hainan for southern breeding, land resources were scarce, and breeders often missed the best time for southern breeding because they could not select the land for southern breeding in time, or selected However, due to the limited area, more breeding materials cannot be arranged, or the land area can be guaranteed but the cost of renting land is high, etc.

Method used

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  • A kind of method for breeding of tobacco with flat top ridge and double rows with high density planting in the south and adding generation
  • A kind of method for breeding of tobacco with flat top ridge and double rows with high density planting in the south and adding generation
  • A kind of method for breeding of tobacco with flat top ridge and double rows with high density planting in the south and adding generation

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Experimental program
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Effect test

Embodiment 1

[0023] In mid-September 2012, the Tobacco Breeding Engineering Research Center of Hubei Academy of Tobacco Science harvested more than 400 seed materials for breeding of regular season burley tobacco at the Cuiba air-dried tobacco experimental base in Enshi City in mid-September, of which more than 70 breeding materials required southern propagation In late September, more than 700 pieces of seed materials for season flue-cured tobacco breeding were harvested at the Xianfeng Experimental Base, of which more than 120 pieces of breeding materials required southern propagation, plus burley tobacco and flue-cured tobacco hybrid seed production and hybrid combination preparation required for planting breeding Materials, a total of more than 240 breeding materials need to be planted in Sanya, Hainan. The few require planting 15 plants, and the most require planting 200 plants. On average, each breeding material needs to be planted at least 20 plants, and the total minimum needs to be ...

Embodiment 2

[0033] In 2013, the Tobacco Breeding Engineering Research Center of Hubei Academy of Tobacco Science harvested more than 400 seed materials for season flue-cured tobacco breeding at Fang County Flue-cured Tobacco Experimental Base, Shiyan City in mid-September, of which more than 70 breeding materials were planned to be propagated in the south. In the last ten days of the year, more than 500 pieces of seed materials for season burley tobacco breeding were harvested at the Cuiba sun-cured tobacco experimental base in Enshi City, of which more than 60 breeding materials were planned to be propagated in the south, and 800 seed materials for season flue-cured tobacco breeding were harvested at the Lichuan Flue-cured Tobacco Breeding Experimental Base The rest, of which more than 170 breeding materials are planned to require southern propagation, plus the breeding materials required for the hybrid seed production and hybrid combination of Burley and flue-cured tobacco, a total of 335...

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Abstract

The invention provides a southward propagation generation-adding breeding method for flattop ridge twin-row high density plantation of tobaccos. The method comprises the following steps of ridging the tobaccos to be a flattop ridge, wherein the width of the top of the ridge is 80cm, and the distance of two adjacent ridge furrow center lines is 140cm; planting the tobaccos in twin rows on each ridge body, wherein the line spacing in each ridge is 50cm, and 2100 plants are planted per mu. One or more breeding materials can be provided for each ridge body. According to the method, the pure nitrogen quantity applied to per mu is required to be increased by 40 percent compared with pure nitrogen applied to per mu in a southward propagation conventional planting way, the fertilization for a single plant does not exceed 120 plants, and the number of capsules harvested by the single plant does not exceed 100. By adopting the method, the seed quality can be ensured, the aim of southward propagation generation-adding is achieved, the planting and breeding material number of a unit area land can be increased, the southward propagation leasing area is reduced, and the cost is reduced. The method is applicable to southward propagation of the tobaccos such as flue-cured tobaccos, burley tobaccos and maryland tobaccos.

Description

technical field [0001] The invention belongs to the technical field of tobacco breeding, and in particular relates to a method for planting tobacco in flat-topped ridges with double rows and high density in the south. Background technique [0002] Sanya, Hainan has unique natural climate conditions. In winter, not only is the temperature stable, rainfall is scarce, and the humidity is low, it is suitable for the growth and development of temperature-loving crops, and it happens to be staggered with the growing season in inland areas. Making full use of the advantages of tropical resources in the "natural large greenhouse" in Sanya, Hainan, to carry out "local breeding and Hainan multigenerational" is an effective method to shorten the breeding period and speed up the pace of variety breeding, which has been confirmed by the successful breeding of many crop varieties . At present, scientific research institutes and seed companies all over the country have set up temporary or...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/45
CPCA01C21/00A01G22/00
Inventor 曹景林程君奇李亚培吴成林
Owner HUBEI TOBACCO SCI RES INST