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Drug of increasing stigma exposing ratio of sterile line rice and preparing method thereof

A stigma exposure and rice technology, which is applied in the agricultural field, can solve the problems of low yield, low seed setting rate, low stigma exposure rate of sterile lines, etc., and achieves the promotion of cell growth, elongation, and improvement of the stigma exposure rate of sterile rice lines. Effect

Inactive Publication Date: 2009-09-02
SAAS BIOTECH & NUCLEAR TECH RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the problems of low stigma exposure rate, low seed setting rate and low yield of rice sterile lines, and provide a medicine that can increase the stigma exposure rate of rice sterile lines, thereby increasing the seed setting rate and improving the yield of hybrid rice seed production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The present embodiment 1 medicine comprises the following components by weight percentage:

[0026] Borax 6%,

[0027] Sodium nitrophenolate 0.6%,

[0028] Diethylhexanoate 1.0%,

[0029] 6-Benzylaminopurine 2.0%,

[0030] Brassinolide 0.0018%,

[0031] water 30%,

[0032] Diethylenetriamine 12%,

[0033] Fulvic Acid 46%,

[0034] Ethanol (acetone can also be used) balance.

[0035] The preparation method of the medicine of the present embodiment 1 is: proportioning ingredients. Add borax and diethylenetriamine to 15% water and heat to 100°C in a reactor to cool down to obtain a borax solution. Add 6-benzylaminopurine and diethyl hexanoate into fulvic acid, heat in a reactor at 60°C and stir evenly to prepare a mixture. Add brassinolide to ethanol and dissolve to obtain brassinolide alcohol solution. Sodium nitrophenolate is dissolved in 15% water to obtain an aqueous solution of sodium nitrophenolate, and then the brassinolate alcohol solution is mixed with t...

Embodiment 2

[0037] The present embodiment 2 medicine comprises the following components by weight percentage:

[0038] Borax 5%,

[0039] Sodium nitrophenolate 0.4%,

[0040] Diethylhexanoate 0.6%,

[0041] Forchlorfenuron 0.2%,

[0042] Brassinolide 0.0009%,

[0043] water 35%,

[0044] Diethylenetriamine 15%,

[0045] Fulvic Acid 40%,

[0046] Ethanol balance.

[0047] The preparation method of the medicament in Example 2 is: proportioning ingredients. Add borax, diethylenetriamine, and 15% water into a reactor, heat to 100°C, and cool to obtain a borax solution. Add diethyl aminohexanoate and forchlorfenuron into the fulvic acid, heat in the reactor to 80°C and stir evenly to prepare a mixture. Brassinolate is added to ethanol to obtain a brassinolate alcohol solution, and sodium nitrophenolate is dissolved in 20% water to obtain an aqueous solution of sodium nitrophenolate, and then the alcohol solution of brassinolate is mixed with an aqueous solution of sodium nitrophenolat...

Embodiment 3

[0049] Present embodiment 3 medicine comprises following component by weight percentage:

[0050] Borax 15%,

[0051] Sodium nitrophenolate 0.4%,

[0052] Diethylhexanoate 0.6%,

[0053] 6-Benzylaminopurine 3.0%,

[0054] Brassinolide 0.002%,

[0055] water 35%,

[0056] Diethylenetriamine 20%,

[0057] Fulvic Acid 23%,

[0058] Ethanol (acetone can also be used) balance.

[0059]The preparation method of the medicine of the present embodiment 3 is: proportioning ingredients. Add borax and diethylenetriamine to 15% water and heat to 100°C in a reactor to cool down to obtain a borax solution. Add 6-benzylaminopurine and diethyl hexanoate into fulvic acid, heat in a reactor at 60°C and stir evenly to prepare a mixture. Add brassinolate into ethanol and dissolve to obtain a brassinolate alcohol solution, dissolve sodium nitrophenolate in 20% water to obtain an aqueous solution of sodium nitrophenolate, then mix the alcoholic brassinolate solution with an aqueous solution...

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Abstract

The invention belongs to the technical field of agriculture, and relates to a medicine for improving the stigma exposure rate of rice sterile lines. The pharmaceutical components of the present invention are calculated by weight percentage: borax 5-20%, sodium nitrophenolate 0.2-1.0%, diethyl hexanoate 0.5-1.5%, cytokinin 0.2-0.4%, brassin 0.0004-0.003%, 20-40% water, 10-25% diethylenetriamine, 20-50% fulvic acid, the balance of additives, the cytokinin is 6-benzylaminopurine or forchlorfenuron, and the additives are at least ethanol and acetone kind of. The invention is pollution-free and is used to increase the exposed rate of the stigma of the rice sterile line by more than 21% and increase the output of rice seed production by more than 21%. The invention also provides a preparation method of the medicine for improving the stigma exposure rate of the rice sterile line.

Description

Technical field: [0001] The invention belongs to the field of agriculture, and in particular relates to a medicine for increasing the stigma exposure rate of rice sterile lines so as to increase the yield of hybrid rice seed production and a preparation method thereof. Background technique: [0002] The yield of hybrid rice seed production includes three factors: the number of ears per mu of sterile lines, the rate of seed setting, and the weight of thousand grains. For specific sterile line seed production, the number of ears per mu can be arranged at a reasonable level through reasonable row ratio and transplanting density, and the thousand-grain weight is affected by the genetic factors of the sterile line with little variation, and the adjustable effect is low. Therefore, it is a key technical link to improve the seed setting rate of the sterile line. The seed setting rate of the CMS line is closely related to its own characteristics (compatibility, stigma exposure rate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/14A01N33/22A01N37/12A01N43/54A01N43/16A01P21/00
Inventor 严庆海姜心禄
Owner SAAS BIOTECH & NUCLEAR TECH RES INST
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