Method for controlling plant height of malting barley by using ethephon

A technology of maize robustin and barley, which is applied in horticultural methods, botanical equipment and methods, applications, etc., can solve the problems that it is difficult to determine the quantity and concentration of chemical control agents, farmers rarely plant large areas, and plant heights, etc., to achieve Effects of overcoming phytotoxicity and inconvenient use, and improving lodging resistance

Inactive Publication Date: 2011-11-09
JIANGSU XINJINWEI MALT GROUP
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0002] In the production process of malting barley, there is a common outstanding problem that it is easy to lodging in the later stage, which affects the yield and quality
In particular, high-quality malting barley with good demand in the market, such as Dan 2 and Gangpi No. 1, has the disadvantages of high plant height and easy lodging. Except for a relatively high proportion of planting on farms, farmers seldom plant them on a large scale
Some chemical control agents currently used are prone to phytotoxicity if used in the middle and late stages, such as phimosis, no earing or low stem ears, so they can only be used in the early stage. Quantity and concentration of deterministic control agent for the total amount of seedling growth

Method used

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  • Method for controlling plant height of malting barley by using ethephon
  • Method for controlling plant height of malting barley by using ethephon
  • Method for controlling plant height of malting barley by using ethephon

Examples

Experimental program
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Effect test

Embodiment 1

[0010] In this embodiment, the method of spraying under low population conditions is taken as an example. On a farm in the coastal area of ​​northern Jiangsu, the malting barley produced is a variety with a high plant height, such as Dan Er and Gang Pi No. 1. For fields with the number of spikes per mu less than 580,000, when the awning is 10%, every 667m 2 Use 60ml of corn tonic, mix with 25kg of water, and spray evenly. It can be seen from the following Tables 1 and 2 that too much or too little application amount is not conducive to plant height control or yield increase; the application time should not exceed 20% of the whole field at the latest, otherwise it will be green and late ripening. The large and small ears are obvious, which affects the yield and quality of malting wheat.

[0011] Table 1: Effects of different doses of maize extrinsin on malting barley plants (2007) Unit: cm

[0012]

[0013] Note: CK is the control treatment, that is, no maize extrinsic ho...

Embodiment 2

[0017] In this embodiment, the method of spraying under high population conditions is taken as an example. Still in a farm along the coast of northern Jiangsu, the malting barley produced is a variety with a high plant height, such as Dan Er and Gangpi No. 1. Fields with more than 580,000 ears per mu need to be sprayed with maize extrinsic twice to improve the effect of controlling plant height and increasing yield (see Table 3 and Table 4). The first time is to spray when falling 1 leaf, every 667m 2 Apply 60ml corn extrinsic, spray 25kg water evenly. The second spraying at Jianmang 10%, every 667m 2 Apply 60ml corn extrinsic, spray 25kg water evenly. When spraying, it should not exceed 20% of the awning at the latest, otherwise it will be too green and late ripening, and the size and size of the ears will be obvious when mature, which will affect the yield and quality of malting wheat.

[0018] Table 3: Effects of different times of use of maize extrinsic acid on plant t...

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Abstract

The invention relates to a method for controlling the plant height of malting barley by using ethephon. In the method, under the condition of low colonies of the malting barley, and when ear number per mu is between 0.55 and 0.58 million and 10 percent of miscanthus sinensis occurs, a field of 667 m<2> is sprayed with 60 milliliters of ethephon blended with 25 kilograms of water; and under the condition of high colonies, and when the ear number per mu is between 0.58 and 0.65 million, one leaf falls and 10 percent of miscanthus sinensis occurs, the field of 667 m<2> is sprayed by 60 milliliters of ethephon blended with 25 kilograms of water. The ethephon is sprayed in the afternoon of a sunny day, and if rain falls within 4 hours after the ethephon is sprayed, the ethephon is sprayed again by reducing the dose to half on alternate days. By the method, the problems of hazards and inconvenience for use in the conventional chemical control preparation are solved effectively, and the lodging-resistant property, quality and yield of the malting barley are improved.

Description

technical field [0001] The invention relates to a production technology of malting barley, in particular to a method for controlling the plant height of malting barley by using maize extinctin. . Background technique [0002] In the production process of malting barley, there is a common outstanding problem that it is easy to lodging in the later stage, which affects the yield and quality. In particular, high-quality malting barley that is in high demand in the market, such as Dan 2 and Gangpi No. 1, has the disadvantages of high plant height and easy lodging. Except for a relatively high proportion of planting on farms, farmers seldom plant them on a large scale. Some chemical control agents currently used are prone to phytotoxicity if used in the middle and late stages, such as phimosis, no earing or low stem ears, so they can only be used in the early stage. The total amount of seedling growth determines the quantity and concentration of the chemical control agent. [...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06
Inventor 杨力李长亚唐义军余新山李忠良刘福泉
Owner JIANGSU XINJINWEI MALT GROUP
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