Tobacco glandular hair development regulator, tobacco upper leaf growth promoting and secretion increasing leaf fertilizer and preparation and application of tobacco upper leaf growth promoting and secretion increasing leaf fertilizer

A regulator and foliar fertilizer technology, applied in plant growth regulators, plant growth regulators, applications, etc., can solve the problems of regulating and improving the growth and development of glandular hairs on the upper leaves of tobacco, and achieve good positive regulation, glandular hairs The effect of increased density and convenient application

Inactive Publication Date: 2021-12-07
江西省烟草公司吉安市公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a tobacco glandular hair growth regulator and tobacco upper leaf growth-promoting and secreting foliar fertilizer to solve the technical problem that it is difficult to effectively regulate and improve the growth and development of tobacco upper leaf glandular hairs through cultivation technical measures in the prior art

Method used

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  • Tobacco glandular hair development regulator, tobacco upper leaf growth promoting and secretion increasing leaf fertilizer and preparation and application of tobacco upper leaf growth promoting and secretion increasing leaf fertilizer
  • Tobacco glandular hair development regulator, tobacco upper leaf growth promoting and secretion increasing leaf fertilizer and preparation and application of tobacco upper leaf growth promoting and secretion increasing leaf fertilizer
  • Tobacco glandular hair development regulator, tobacco upper leaf growth promoting and secretion increasing leaf fertilizer and preparation and application of tobacco upper leaf growth promoting and secretion increasing leaf fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Experimental research on the interaction between methyl jasmonate and gibberellin to induce and promote the growth of tobacco glandular hairs

[0026] The flue-cured tobacco variety tested was common tobacco variety TI 1112, and its stem epidermis was a typical non-secreting protective hair without glandular hairs.

[0027] The seeds of TI1112 were sterilized by 10% sodium hypochlorite and sowed on MS medium to cultivate sterile seedlings. At the four-leaf stage, select aseptic seedlings with consistent growth, optimize and select spraying 100 μM, 200 μM, 500 μM and 1 mM NAA, 6-BA, GA3 and MeJA respectively on the basis of a large number of long-term screening studies, Apply 1 mL of foliar fertilizer solution to each tobacco plant to ensure that all leaves are fully moist; the control group is treated with distilled water; it is sprayed once every two weeks, and sprayed three times in total.

[0028] Using a microscope to observe the surface hairs, it was fo...

Embodiment 2

[0030] Example 2: Experimental research on the interaction between methyl jasmonate and gibberellin to induce the development of the head of tobacco glandular hairs

[0031] The variety of flue-cured tobacco tested was Yunyan 87, a common tobacco variety, and there were three types of glandular hairs: long-stalked glandular hairs, short-stalked glandular hairs and protective hairs (without glandular hair heads, which do not have the ability to secrete).

[0032] Tobacco seeds of Yunyan 87 were sterilized by 10% sodium hypochlorite and sown on MS medium to cultivate aseptic seedlings. At the four-leaf stage, select aseptic seedlings with consistent growth, spray 500 μM MeJA+100 μM GA3, and apply 1 mL of foliar fertilizer solution to each tobacco plant to ensure that all leaves are fully moistened; the control group is treated with sterile water Treatment: Spray once every two weeks, and spray 3 times in total.

[0033] Leaf sugar ester staining observation: Tobacco leaves with...

Embodiment 3

[0035] Example 3: Application of foliar fertilizer to promote secretion of glandular hairs on tobacco upper leaves

[0036] 1. Preparation of glandular hair growth-promoting foliar fertilizer

[0037] Long-term production practice studies have found that the occurrence and development of tobacco glandular hairs not only need appropriate hormone induction, but also need to supplement appropriate nutrients. In order to promote the robustness of glandular hairs, in the research of the present invention, the targeted design can promote the growth of glandular hairs and increase the foliar fertilizer of its secretions, that is, in addition to the combination of methyl jasmonate and gibberellin in appropriate proportions and concentrations. In addition, an appropriate amount of potassium sulfate and calcium nitrate is also added to supplement appropriate nutrients; among them, potassium can promote protein synthesis, cellulose and lignin content, so as to promote the toughness and r...

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Abstract

The invention discloses a tobacco glandular hair development regulator, a tobacco upper leaf growth promoting and secretion increasing leaf fertilizer and preparation and application of the tobacco upper leaf growth promoting and secretion increasing leaf fertilizer, and aims at solving the technical problem that in the prior art, growth and development of tobacco upper leaf glandular hair are difficult to effectively regulate and improve through cultivation technical measures. The glandular hair development regulator contains 400-600 [mu]M of methyl jasmonate and 80-120 [mu]M of gibberellin, and 1.5-2.5 mM of potassium sulfate and 0.4-0.6 mM of calcium nitrate are further added to prepare the growth promoting and secretion increasing leaf fertilizer. The components have a synergistic effect, a remarkable induction effect on growth and development of the upper tobacco leaf glandular hair is achieved, and after application, the glandular hair can become robust, the density of the glandular hair is increased, the head of the glandular hair becomes large, the content of glandular hair secretions is remarkably increased, and the plant resistance is improved. The advantages of few types of required raw materials, simple preparation, low cost, convenient application, and easy large-area popularization and application are achieved.

Description

technical field [0001] The invention relates to the technical field of tobacco cultivation, in particular to a tobacco glandular hair growth regulator, tobacco upper leaf growth-promoting and secretion-promoting foliar fertilizer and their preparation and application. Background technique [0002] Plant epidermis is a specialized structure of epidermal cells. As a natural barrier between plants and the environment, it can reduce water and heat loss, buffer direct sunlight, resist pathogenic bacteria and insects, etc., and respond to biotic and abiotic stress in the environment. play an important role in. The structure and shape of plant epidermal hairs are diverse, consisting of single to multiple cells, and can be divided into protective hairs (non-glandular hairs) and glandular hairs according to the presence or absence of secretory glands. Glandular trichomes are trichomes with synthesis, storage and secretion functions on the epidermis of plants. The secondary metabolit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/12A01N45/00A01N37/42A01P21/00C05G3/00C05G5/23
CPCA01N43/12A01N45/00A01N37/42C05G3/00C05G5/23C05C5/04C05D1/02
Inventor 段史江张子颖曾宇贾世伟李小勇徐文韬凌平孙占伟李亚纯张正杨彭桃军韩助君沈雪婷潘瑞朋苏鹏飞
Owner 江西省烟草公司吉安市公司
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