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Flax chemical emasculation bloom-control lodging-prevention cultivation method

A cultivation method and anti-lodging technology, applied in botany equipment and methods, gardening methods, horticulture, etc., to achieve the effects of increasing yield, ensuring the basic number of seedlings, and improving field permeability

Inactive Publication Date: 2009-07-29
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Taking a comprehensive view of the existing crop chemical destabilization technology at home and abroad, the purpose is to use the hybrid hybrid combination to take advantage of heterosis, increase crop yield and improve product quality, but it is still blank when it is applied to crop lodging resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A method for chemically killing and controlling flowers and preventing lodging of flax, which comprises:

[0017] The first chemical malericide: In the gestational bud stage of flax (the rapid growth period, 50% of the hemp plant growth point in the field is drooping), choose to apply thatchquat (sodium dichloropropionate) on a sunny day, prepare with a 0.10% aqueous solution, and the dosage of the liquid is 750kg / hm 2 , Spray evenly with a sprayer.

[0018] The second chemical malericide: It is completed 7 days after the first spray of male maleicide. The method and requirements of the second chemical malericide are the same as the first.

[0019] The third chemical maleicide: 7 days after the second spray of maleicide, if more than 50% of the main stems of the hemp plants have not bloomed in the field, a third chemical malericide is required. The method and requirements of the third chemical malericide Same as the first time.

[0020] It is determined that the lodging ra...

Embodiment 2

[0022] A method for chemically killing and controlling flowers and preventing lodging of flax, which comprises:

[0023] The first chemical malericide: During the budding period of flax (50% of the main stems of the hemp plants in the field budding), choose the sunny day to apply thatch, which is prepared as a 0.150% aqueous solution, and the dosage of the liquid is 650kg / hm 2 , Spray evenly with a sprayer.

[0024] The second chemical maleicide: 5 days after the first spray of male maleicide. The method and requirements of the second chemical malericide are the same as the first.

[0025] The third chemical maleicide: 5 days after the second spray of maleicide, if more than 50% of the main stems of the hemp plants have not bloomed in the field, a third chemical maleicide is required. The method and requirements of the third chemical maleicide Same as the first time.

[0026] It is determined that the lodging rate of the flax cultivated by the method of the invention is reduced by...

Embodiment 3

[0028] A method for chemically killing and controlling flowers and preventing lodging of flax, which comprises:

[0029] The first chemical malericide: In the first flowering stage of flax (10% of the main stems of the flax plant in the field bloom), choose the sunny day to apply thatchquat (sodium dichloropropionate), prepared with a 0.050% aqueous solution, and the dosage of the liquid is 750kg / hm 2 , Spray evenly with a sprayer.

[0030] The second chemical maleicide: 6 days after the first spray of male maleicide. The method and requirements of the second chemical malericide are the same as the first.

[0031] Since less than 50% of the unflowered hemp plants on the main stems in the field 6 days after the second spray of the maleicide, there is no need for the third spray of the maleicide.

[0032] It is determined that the lodging rate of the flax cultivated by the method of the invention is reduced by about 40%, the raw stem yield is increased by nearly 10%, and the fiber q...

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PUM

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Abstract

The invention relates to flax culture technology, in particular to a chemical emasculation anti-lodging culture method for the flax in the later breeding stage. According to the method, a chemical male sterilant is sprayed from the flax budding stage to the flowering state so as to make the flax blossom unfruitfully or seldom fruitfully; and the lodging of the flax plant is avoided by the reduction of the flax plant tip weight and the lowering of the flax plant gravity center. The flax stem grows with nutrition and the bast fibers develop through the reduction of the nutrient consumption by the flowering and fruition of the flax. The method can effectively reduce the lodging rate of the flax and the lodging degree of the flax. The method is obviously characterized by stable output, high quality and high efficiency.

Description

Technical field [0001] The invention relates to a flax cultivation technique, in particular to a flax chemical sprogenic control, flower control and lodging prevention cultivation method. Background technique [0002] Lodging is a common problem in crop production. It not only leads to a serious reduction in crop production, but also has a great impact on the quality of its products. A large number of studies have been conducted on lodging resistance of rice, rape, corn, wheat and other crops at home and abroad, mainly by selecting varieties with strong lodging resistance and improving cultivation techniques (adjust the sowing period of crops to avoid rainy seasons, and reduce planting density to increase Field permeability, controlled application of nitrogen fertilizer and increased application of phosphorus and potassium to increase the lodging resistance of the stems, and the application of Uniconazole to reduce the plant height) and other measures to enhance the lodging resis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/06
Inventor 孙焕良周清明孟桂元贺再新贺勇
Owner HUNAN AGRICULTURAL UNIV
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