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Leaf temperature adjustor in flowering and boll-setting period of cotton and application

A temperature regulator, the technology of flowering and boll stage, applied in the directions of plant growth regulator, plant growth regulator, application, etc., to achieve the effects of easy popularization and application, environmentally friendly raw materials, and improving the ability to resist high temperature stress

Active Publication Date: 2017-09-08
INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a cotton flowering and boll stage leaf surface temperature regulator, which conforms to the cotton cultivation and production mode, and solves the Cotton foliage temperature regulation during flowering and boll stage, so as to achieve the purpose of promoting the development of cotton bolls and opening bolls, and can obviously adjust the temperature of cotton leaves, promote the accumulation of photosynthetic products and the opening of cotton bolls

Method used

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  • Leaf temperature adjustor in flowering and boll-setting period of cotton and application
  • Leaf temperature adjustor in flowering and boll-setting period of cotton and application
  • Leaf temperature adjustor in flowering and boll-setting period of cotton and application

Examples

Experimental program
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Effect test

Embodiment 1

[0031] A kind of leaf surface temperature regulator of cotton flowering and bolling stage, it is made of the weight percentage of following raw material:

[0032]

[0033] A kind of preparation method of leaf surface temperature regulator of cotton flowering and boll stage, its steps are:

[0034] A, take glycerol pure product as raw material;

[0035] B. Glycerol and water are mixed according to the weight ratio of 1:1 to make a glycerol dilution (avoiding the difficulty of direct quantitative measurement brought by the viscosity of pure glycerol);

[0036] C. Dilute B liquid (glycerol diluent) 25 times before use, add sodium dodecylbenzenesulfonate, and mix well to obtain a leaf surface temperature regulator at the flowering and boll stage of cotton.

[0037] The cotton flowering and boll stage leaf surface temperature regulator is in line with the cotton cultivation and production model, and according to the cotton growth and development law, climate characteristics and...

Embodiment 2 to Embodiment 6

[0039] A kind of leaf surface temperature regulator of cotton flowering and bolling stage, it is made of the weight percentage of following raw material:

[0040] Raw materials and examples 2 3 4 5 6 Glycerol 0.5 1 2 4 5 water 99.4 98.9 97.8 95 93 Surfactant 0.1 0.1 0.2 1 2 total 100 100 100 100 100

[0041] Its preparation steps are identical with embodiment 1.

Embodiment 7

[0043] The application of a leaf surface temperature regulator at the flowering and bolling stage of cotton in the flowering and bolling stage of cotton is as follows:

[0044] In January 2016, in the temperature-controlled greenhouse, the application test of leaf surface temperature regulator was carried out. Cotton functional leaves were selected as the test object, and 2 treatments were set up, that is, half of the functional leaves were sprayed with a temperature regulator (glycerol mass concentration 2%), and the other half was used as a blank control, and repeated 4 times. The leaf surface temperature was measured by FLIR thermal imaging camera in different time periods. Trials began at 4:10 p.m.

[0045]The results showed that under the condition of 25.2℃ in the environment, the application of the temperature regulator could significantly reduce the leaf surface temperature. Compared with the initial leaf surface temperature, the leaf surface temperature decreased by 5...

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Abstract

The invention discloses a leaf temperature adjustor in a flowering and boll-setting period of cotton and an application. The leaf temperature adjustor in the flowering and boll-setting period of cotton is prepared from glycerin, water and sodium dodecyl benzene sulfonate in a certain proportion. The leaf temperature adjustor in the flowering and boll-setting period of cotton is prepared by the following steps: A, taking a glycerin pure product as a raw material; B, mixing glycerin with water in a weight ratio of 1: 1 to prepare a glycerin diluted liquid to obtain a glycerin diluted liquid; and C, diluting the glycerin diluted liquid by 25 times before use, and adding a surfactant to be uniformly mixed to obtain the leaf temperature adjustor in the flowering and boll-setting period of cotton. The leaf temperature adjustor in the flowering and boll-setting period of cotton is applied to the leaf surfaces in the flowering and boll-setting period of cotton. The problem of adjusting the temperature of leaf surfaces in the flowering and boll-setting period of cotton is solved, the purposes of accelerating development of cotton bolls and opening bolls are achieved, and the leaf temperature adjustor can obviously adjust the leaf temperature of cotton and accelerate accumulation of photosynthetic products and upper cotton bolls to open bolls. High noon high temperature stress is effectively avoided. The number of bolls of a cotton single strain in a field plot experiment is increased, the pre-frost yield is increased by 8.3 percentages, and the total output is increased by 11.6% compared with that of a control group.

Description

technical field [0001] The invention belongs to the technical field of plant leaf surface temperature regulation, and more specifically relates to a cotton flowering and boll stage leaf temperature regulator, and also relates to the use of a cotton flowering and boll stage leaf temperature regulator. Background technique [0002] Cotton is an important economic crop and strategic material in our country, and occupies an important position in the national economy and social development. As a temperature-loving crop, the suitable temperature range for cotton growth is 20 to 30°C, and the optimum temperature for cotton photosynthesis is 28°C, see: Burke JJ, Mahan JR, Hatfield JL. Crop-Specific Thermal Kinetic Windows in Relation to Wheat and Cotton Biomass Production [J]. Agronomy Journal, 1988, 80(4):553-556. Because the growth and development center of each growth stage of cotton is different, and the length of time experienced is different, so the minimum temperature, maxim...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N31/02A01P21/00A01G17/00
CPCA01G17/005A01N31/02
Inventor 郑苍松董合林李鹏程孙淼贵会平
Owner INST OF COTTON RES CHINESE ACAD OF AGRI SCI
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