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Method of shortening seed breeding cycle of nicotiana tabacum mutant strain YK01

A technology of mutant strains, red big, applied in tobacco seed breeding, tobacco field, can solve the problems of long growth cycle and low yield, achieve the effect of simple operation, improve seed quality and yield, and shorten the reproduction cycle

Active Publication Date: 2014-12-24
YUNNAN TOBACCO CO LTD KUNMING BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the above-mentioned problems such as long growth cycle and low yield, it is necessary to develop a planting method that can shorten the seed propagation cycle and improve seed quality and yield.

Method used

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  • Method of shortening seed breeding cycle of nicotiana tabacum mutant strain YK01
  • Method of shortening seed breeding cycle of nicotiana tabacum mutant strain YK01

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Cultivate strong seedlings of Hongda variant strain YK01, the growth environment temperature is controlled at 5-30 ℃, the oxygen content is controlled at 2-21%, the humidity is controlled at 50-100%, and the light intensity is controlled at 1000-100000LX; the 500 The strong seedlings of Zhuhong large variant strain YK01 were transplanted to an area at an altitude of 1700m, the row spacing of the red large variant strain YK01 was 0.5 m×2.0m, and the amount of nitrogen fertilizer applied per mu was 2.0k of pure nitrogen g , the ratio of the three elements of nitrogen, phosphorus and potassium is 1:0.5:2, the growth environment temperature is controlled at 5 ~ 35 ℃, the oxygen content is controlled at 5 ~ 21%, the humidity is controlled at 50 ~ 90%, and the light intensity is controlled at 1000 ~ 120000LX; When the vegetative growth period of the Hongda variant strain YK01 grows for 3 to 5 months, 50 plants are selected and transplanted to an area at an altitude of 1400m. ...

Embodiment 2

[0038] Cultivate strong seedlings of Hongda variant strain YK01, the growth environment temperature is controlled at 5-30 ℃, the oxygen content is controlled at 2-21%, the humidity is controlled at 50-100%, and the light intensity is controlled at 1000-100000LX; the 500 The strong seedlings of Zhuhong large variant strain YK01 were transplanted to an area at an altitude of 1800m. The row spacing of the red large variant strain YK01 was 1.0m×2.0m. The proportion of elements is 1:2:4, the growth environment temperature is controlled at 5-35°C, the oxygen content is controlled at 5-21%, the humidity is controlled at 50-90%, and the light intensity is controlled at 1000-120000LX; When the YK01 strains grow for 3 to 5 months until the end of the vegetative growth cycle, 50 plants are selected and transplanted to an area with an altitude of 1200m. The amount of nitrogen fertilizer applied per mu is 5.0kg of pure nitrogen, the ratio of the three elements of nitrogen, phosphorus and p...

Embodiment 3

[0040]Cultivate strong seedlings of the Hongda variant strain YK01, the growth environment temperature is controlled at 5-30°C, the oxygen content is controlled at 2-21%, the humidity is controlled at 50-100%, and the light intensity is controlled at 1000-100000LX; the 500 The strong seedlings of Zhuhong large variation strain YK01 were transplanted to an area with an altitude of 2300m. The proportion of elements is 1:2:2, the growth environment temperature is controlled at 5-35°C, the oxygen content is controlled at 5-21%, the humidity is controlled at 50-90%, and the light intensity is controlled at 1000-120000LX; When the YK01 strains grow for 3 to 5 months until the end of the vegetative growth cycle, 50 plants are selected and transplanted to an area with an altitude of 800m. The amount of nitrogen fertilizer applied per mu is 4.0kg of pure nitrogen, the ratio of the three elements of nitrogen, phosphorus and potassium is 1:2:2, the growth environment temperature is contr...

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Abstract

The invention discloses a method of shortening seed breeding cycle of a nicotiana tabacum mutant strain YK01, which is characterized by comprising a seedling raising procedure, a transplant procedure, a vegetative period management procedure, a grafting procedure, a reproductive stage management procedure, and a seed recovery procedure. The method specifically comprises the following steps: the growing environment temperature for seedling raising being 5 to 30 DEG C, the oxygen content being 2-21%, the humidity being 50-100%, and the illumination intensity being 1000 to 100, 000 LX; transplanting the cultured nicotiana tabacum mutant strain YK01 strong seedlings to the area at the elevation of 1400-2500 m; after transplanting, the temperature being 5-35 DEG C, the oxygen content being 5-21%, the humidity being 50-90%, and the illumination intensity being 1000-120, 000 LX; after the vegetative period, grafting the seedlings to the area at the elevation of 400-1500 m; after grafting, the growing environment temperature being 5-35 DEG C, the oxygen content being 5-21%, the humidity being 50-90%, and the illumination intensity being 1000-120,000 LX; spraying one thousandth to one hundredth of leaf fertilizer for 0 to 5 times in the florescence; and recovering the mature seeds. The method is simple and convenient to operate, can effectively shorten the seed breeding cycle of the nicotiana tabacum mutant strain YK01, and improves the quality and the yield of the seeds.

Description

technical field [0001] The invention belongs to the technical field of tobacco, further belongs to the technical field of tobacco seed propagation, and specifically relates to a method for shortening the seed propagation cycle of the safflower dajinyuan variant strain YK01. Background technique [0002] In September 2006, scientific and technical personnel of Kunming Tobacco Company discovered for the first time a giant mutant strain in the popular flue-cured tobacco variety Honghua Dajinyuan. Under local natural growth conditions, its vegetative growth period exceeds 55 days and the number of main leaves per plant exceeds 80 The girth of the slices and stems reaches about 20cm, and it takes more than 120 days from transplanting to the budding period, and more than 140 days to the central flower opening period. [0003] At present, flue-cured tobacco safflower Dajinyuan, K326, Yunyan 87 and other varieties of flue-cured tobacco in our province usually have a budding period o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00
Inventor 徐兴阳端永明杨永平郑志新陈树林杨龙祥杨明朱利全朱艳梅
Owner YUNNAN TOBACCO CO LTD KUNMING BRANCH