Plant growth regulator and application thereof

A plant growth regulator, a technology for growth regulators, applied in the directions of plant growth regulators, plant growth regulators, applications, etc., can solve the problems of decreased crude protein content, quality decline, low soil moisture content, etc., to improve the selenium content. , the effect of delaying the decline of crude protein content

Active Publication Date: 2015-10-28
INST OF BOTANY CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The planting mode of alfalfa in northern my country is generally dry farming. With the increase of planting years, its quality has declined to a certain extent, mainly manifested in the decrease of crude protein content, which seriously limits the income increase of farmers and herdsmen and the development of animal husbandry.
The use of macronutrients such as NPK is a way to increase the quality of alfalfa, but due to the low soil moisture content, the utilization rate of macronutrients is not high, and the cost is high

Method used

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  • Plant growth regulator and application thereof
  • Plant growth regulator and application thereof
  • Plant growth regulator and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0055] Embodiment 1, the preparation of growth regulator composition

[0056] This example provides five growth regulators, namely growth regulator A, growth regulator B, growth regulator C, growth regulator D and growth regulator E.

[0057] Add 50 g of sodium selenite pentahydrate and 12 kg of selenium-enriched yeast powder into 1250 kg of water, fully dissolve and mix to prepare the growth regulator A. In the growth regulator A, the concentration of inorganic selenium is 12 mg / L, and the concentration of organic selenium is 48 mg / L. In the growth regulator A, the mass ratio of sodium selenite pentahydrate, selenium-enriched yeast powder and water is 0.05:12:1250.

[0058] Add 100g of sodium selenite pentahydrate and 24kg of selenium-enriched yeast powder into 1250kg of water, fully dissolve and mix to prepare growth regulator B. In the growth regulator B, the concentration of inorganic selenium is 24 mg / L, and the concentration of organic selenium is 96 mg / L. In the grow...

Embodiment 2

[0062] Embodiment 2, the influence of different growth regulators on crude protein content and selenium content of alfalfa aerial parts

[0063] The field experiment was carried out on a multi-year alfalfa fertilization experimental plot in Duolun County, Xilingol League, Inner Mongolia Autonomous Region. The experimental design method of the influence of different growth regulator compositions on the crude protein content of the aerial parts of alfalfa is as follows: the experiment adopts random block design, 3 repeated areas are set, and 6 treatment areas are randomly set in each repeated area, which are respectively blank treatment areas , A treatment area, B treatment area, C treatment area, D treatment area and E treatment area. The area of ​​each treatment area is 40m 2 .

[0064] Field management: Dry farming was adopted throughout the experiment, that is, no irrigation was carried out. Beginning in 2012, mow once a year in mid-August to collect forage grass. In the...

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Abstract

The present invention discloses a plant growth regulator and application thereof. The plant growth regulator provided by the invention comprises sodium selenite and selenium-rich yeast powder, and the ratio of the sodium selenite to the selenium-rich yeast powder is 16g-50g:12kg. Experiments have proved that the plant growth regulator provided by the invention plays an important role in slowing down the crude protein content decline caused by increased age of plants and/or improving the selenium content in plants.

Description

technical field [0001] The invention relates to the field of biotechnology, in particular to a plant growth regulator and its application. Background technique [0002] Alfalfa is a leguminous forage widely planted around the world. It has the characteristics of high grass yield and high crude protein content, and enjoys the reputation of "the king of forage". In my country, alfalfa planting is mainly distributed in Inner Mongolia, Xinjiang, Gansu and other places, where the climate is dry, the land is barren, and the temperature in winter is low, which seriously affects the yield and quality of alfalfa. Vigorously developing the alfalfa industry is an important measure to solve the current grass-livestock contradiction in our country, and has important strategic significance. [0003] The planting mode of alfalfa in northern my country is generally dry farming. With the increase of planting years, its quality has declined to a certain extent, mainly in the decrease of crud...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01P21/00A01N59/02
Inventor 张文浩王天佐
Owner INST OF BOTANY CHINESE ACAD OF SCI
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