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Chemical induction adjusting method for tobacco axillary bud growth and development

A chemical induction, growth and development technology, applied in botany equipment and methods, gardening methods, horticulture, etc., to achieve strong coordination, promote the development of flower organs, and eliminate side effects

Inactive Publication Date: 2015-01-21
TOBACCO RES INST OF HUBEI PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many studies on the application of chemical regulation on tobacco, mainly in promoting the development of tobacco plants and regulating the content of tobacco leaves. There are few reports on the application of chemical regulation in tobacco seed production, especially in promoting the growth, flowering and development of axillary buds.

Method used

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  • Chemical induction adjusting method for tobacco axillary bud growth and development
  • Chemical induction adjusting method for tobacco axillary bud growth and development
  • Chemical induction adjusting method for tobacco axillary bud growth and development

Examples

Experimental program
Comparison scheme
Effect test

example 1 2012

[0024] Example 1: Axillary bud growth and flowering test induced by chemical regulation of B37, the male parent of Burley tobacco hybrid Eyan No. 1 in 2012.

[0025] In this example, the male parent B37 of the Burley tobacco hybrid Eyan No. 1 was used as the material, and indole-3-acetic acid (IAA), putrescine (Put), and vitamin E (VE) were respectively selected as the chemical composition for the germination and growth of the axillary buds of the tobacco plant. Induction regulator: chlormequat (CCC), 6-benzylaminoadenine (6-BA), spermidine (Spd), and vitamin E (VE) are chemical induction regulators of lateral branch flowering in tobacco plants. The test area is 1 mu, and the conventional production is a control area of ​​1 mu, a total of 2 mu. While the conditioner was applied to the test area, the same amount of water was applied to the control area. The field sampling method is sampling at five points, and 10 plants are taken at each point. After 7 days of applying the axi...

example 2 2013

[0042] Example 2: Experiments on the growth and flowering of axillary buds induced by chemical regulation of the male parent K8 of flue-cured tobacco hybrid Jinshennong No. 1 in 2013.

Embodiment 2

[0043] In Example 2, the male parent K8 of flue-cured tobacco hybrid Jinshennong No. 1 was used as the material, and the selected chemical induction regulator and test method were the same as in Example 1. The test area is 2 mu, and the conventional production is a control area of ​​0.5 mu, a total of 2.5 mu.

[0044] The specific operation steps and methods are as follows:

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Abstract

The invention provides a chemical induction adjusting method for tobacco axillary bud growth and development. The method includes from a tobacco plant budding period to a blooming period, using a prepared axillary bud growth chemical induction regulator to continuously spray entire tobacco plants for three days (once a day), or clamping cotton balls or brush pens dipped with the prepared axillary bud growth chemical induction regulator at 1-10 leaf axil of the tobacco plants from top to bottom; when axillary bud lateral branches grow to be 10-20cm and 1-2 new leaves of the lateral branches are already unfolded, pruning original leaves on the tobacco plants in batches; when the axillary bud lateral branches grow to be 20-30cm and the lateral branches are about to be in the budding period, using a prepared lateral branch blooming chemical induction regulator to continuously spray the entire tobacco plants for three days (once a day). By the method, more axillary buds of paternal tobacco plants are enabled to develop to be lateral branches, and more flowers and pollen are provided for hybrid seed production, so that the objectives of reduction of paternal planting area, lowering of seed production cost and improving of production benefit of tobacco hybrids are achieved.

Description

technical field [0001] The invention relates to a chemically induced regulation method for the growth and development of crops, in particular to a chemically induced regulation method for the growth and development of tobacco axillary buds. Background technique [0002] Tobacco is a limited compound cyme. The terminal buds of the tobacco plant, the terminal buds of each flower branch and the side buds of the flower base of each flower are not only differentiated to form a cyme-shaped main inflorescence, but the first, second and third axillary buds immediately below the inflorescence are "established buds". After opening, it gradually develops into cymose side flowering inflorescences from top to bottom. The "adventitious buds" in other leaf axils below the "established buds" are in a dormant state under the influence of apical growth dominance, and only when the inhibition of auxin polar transport formed by the apical meristem is released will the auxin gradually grow from...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 李宗平张俊杰郭宇龙徐世平王文明陈茂胜彭灏杨丽萍
Owner TOBACCO RES INST OF HUBEI PROVINCE
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