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Drought-resistant, strong-promoting and lodging-resistant plant growth regulator and application thereof to crops

A technology for plant growth regulators and growth regulators, which is applied in the direction of plant growth regulators, plant growth regulators, applications, etc., and can solve the problems of limited adversity regulation such as corn resistance to drought, inhibition of ear development, and reduction of ear grains. , to achieve the effect of promoting high quality and high yield of corn, increasing stem thickness and reducing plant height

Active Publication Date: 2022-04-12
CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although stress-regulating hormones such as abscisic acid, jasmonic acid, and polyamines can improve crop stress resistance, they have little effect on the regulation of lodging and crop growth.
At present, the growth regulators of corn on the market are mainly products dominated by ethephon. Although these products have a significant effect on reducing plant height and preventing lodging, they have limited effects on the regulation of corn drought resistance and other adversities. It will produce side effects such as inhibiting the ear development and reducing the number of grains in the ear
Different types of drugs cannot achieve functional complementarity through a simple combination, on the contrary, there may even be side effects of drug damage or reduced efficacy

Method used

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  • Drought-resistant, strong-promoting and lodging-resistant plant growth regulator and application thereof to crops
  • Drought-resistant, strong-promoting and lodging-resistant plant growth regulator and application thereof to crops
  • Drought-resistant, strong-promoting and lodging-resistant plant growth regulator and application thereof to crops

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Embodiment 1, the impact of betaine, salicylic acid and ethephon complex on corn production

[0066] In this embodiment, betaine, salicylic acid and ethephon are selected, and three concentrations of betaine 10, 50, and 100 mM, three concentrations of salicylic acid 0.5, 5, and 10 mM, and three concentrations of ethephon 1, 2.5, and 5 mM are respectively set. Select different concentrations to form double-medicine and three-medicine compound combinations, combine the orthogonal test design and according to the results of the single-dose preliminary experiment, focus on the analysis of the concentration combination of betaine and ethephon under 5mM salicylic acid, set 1 As a clean water control, the experiment was carried out under natural drought conditions in the field. The specific method is as follows:

[0067] 1. Preparation of Plant Growth Regulator Solution

[0068] Select betaine, salicylic acid and ethephon, set three concentrations of betaine 10, 50, and 100m...

Embodiment 2

[0169] Embodiment 2, the influence of betaine, salicylic acid and ethephon spraying on the quality of corn stalks

[0170] 1. The configuration of the plant growth regulator solution is the same as in Example 1.

[0171] 2. Field experiment design

[0172] For the quantitative experiments in the following examples, three repeated experiments were set up.

[0173] From June to October 2018, in Wuqiao County, Cangzhou City, China, a field experiment was conducted with maize Zhengdan 958 as the test variety: the experiment adopted a random block design and set up three repeated plots, each with 28 random plots. The plots (treatments) are control treatment area (CK), G1 treatment area, S1 treatment area, E1 treatment area, G2 treatment area, S2 treatment area, E2 treatment area, G3 treatment area, S3 treatment area, E3 treatment area, G1S1 processing area, G2S2 processing area, G3S3 processing area, S3E1 processing area, S2E2 processing area, S1E3 processing area, G1E1 processin...

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Abstract

The invention discloses a drought-resistant, strong-promoting and lodging-resistant plant growth regulator and application thereof to crops. The active ingredients of the plant growth regulator to be protected are betaine, salicylic acid and ethephon. Experiments prove that the plant growth regulator can overcome the problem that stress resistance, shrinkage and growth promotion and yield increase cannot be coordinated and synchronized in crop growth regulation and control, is used in the elongation stage of crop growth, and can synergistically achieve crop root promotion, stem strengthening, seedling strengthening, drought resistance improvement, reasonable plant type shaping and lodging risk reduction; the yield of the corn is increased by more than 5% compared with that of a control group, the lodging rate is decreased by more than 50% compared with that of the control group, and crop stress resistance, yield increase and income increase are achieved.

Description

technical field [0001] The invention relates to the field of plant growth regulators, in particular to a plant growth regulator and its application in regulating crop growth. Background technique [0002] Corn is an important food crop and industrial processing raw material, and its status in national production is becoming more and more important. Ensuring high yield, high efficiency, stable yield and high quality of corn is of great significance to national economic development and food security. [0003] In maize production, increasing nitrogen fertilizer and increasing density are important ways to increase grain yield and plant biomass. However, under the conditions of high fertilizer and high density, the quality of maize colony decreases, the stress resistance is weak, and lodging occurs frequently, which not only affects the normal development of maize and reduces the quality of product organs, but also causes difficulties in mechanical harvesting, which seriously re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N57/20A01N37/40A01N37/44A01N43/22A01N37/42A01N61/00A01N59/26A01P21/00
CPCY02A40/10
Inventor 张明才张钰石李召虎刘础荣任丹阳段留生
Owner CHINA AGRI UNIV