Citrus rootstock seed composite preservation agent as well as preparation method and application thereof

A preservative and composite technology, which is applied in the agricultural field, can solve the problems such as the inability to realize the annual storage of seeds and the high germination rate of annual supply.

Inactive Publication Date: 2019-02-22
ZHAOQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In terms of production, all the above-mentioned preservation and breeding techniques still cannot meet the needs of year-round seed storage and year-round supply of rootstock seeds with high germination rate

Method used

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  • Citrus rootstock seed composite preservation agent as well as preparation method and application thereof
  • Citrus rootstock seed composite preservation agent as well as preparation method and application thereof
  • Citrus rootstock seed composite preservation agent as well as preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0049] (1) Seed preparation: For mature citrus fruit, cut the fruit open, peel off the seeds from the sac petals, gently rub with a small amount of calcium hydroxide to remove the gum on the seeds, rinse with water, and dry in a cool place. Dry until the seed coat is white, and the seeds are set aside.

[0050] (2) Preparation of composite preservative:

[0051] ①Put 15g of sodium alginate (Jiangsu Lianyungang Hongyuan Seaweed Industry Co., Ltd.) into a 500ml beaker, add 450ml of distilled water and heat it in a water bath (70℃) and stir evenly. After the sodium alginate is completely gelatinized, set it aside. . 3g of thiuram (Arasan, tetramethylthiuram disulfide) fungicide is dissolved in 50ml of distilled water and stirred evenly, mixed with the gelatinized sodium alginate solution, and stirred evenly by a magnetic stirrer (100 revolutions / min, 10 min) to form Uniform mixture. 6g 180 mesh potassium salt type polymer water-absorbing resin (Qingdao Shouke New Material Co., Ltd....

Embodiment 2

[0056] (1) Preparation of seeds: Cut the ripe citrus fruit, peel off the seeds from the sac petals, gently rub with a small amount of calcium hydroxide to remove the gum on the seeds, rinse with water, and dry in a cool place. Dry until the seed coat is white, and the seeds are set aside.

[0057] (2) Preparation of composite preservative:

[0058] ①Put 18g of sodium alginate (Jiangsu Lianyungang Hongyuan Seaweed Industry Co., Ltd.) into a 500ml beaker, add 450ml of distilled water and heat it in a water bath (70℃) and stir evenly. After the sodium alginate is completely gelatinized, set it aside. . 2.5g Dasheng M-45 (generic name "Mancozeb") is dissolved in 50ml of distilled water and stirred evenly, mixed with the gelatinized sodium alginate solution, and stirred by a magnetic stirrer (100 revolutions / min, 15min) A homogeneous mixture is formed uniformly. Pour 8g of 180 mesh potassium salt polymer water-absorbing resin (Qingdao Shouke New Material Co., Ltd.) into a small beake...

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Abstract

The invention discloses a citrus rootstock seed composite preservation agent as well as a preparation method and application thereof. The method comprises the following steps: (1) adding sodium alginate into water, and heating and stirring uniformly under water bath conditions to obtain gelatinized sodium alginate; (2) adding a bactericide into the gelatinized sodium alginate, and uniformly stirring to obtain a mixed solution I of the sodium alginate and bactericide; (3) adding a potassium salt type polymer water absorbent resin into the mixed solution I, and uniformly stirring to obtain a mixed solution II; (4) dropping the mixed solution II into a CaCl2 solution, soaking the mixed solution II in the CaCl2 solution after dropping is completed, and standing, thereby obtaining the citrus rootstock seed composite preservation agent. After the preservation agent prepared by the method disclosed by the invention is combined with low temperature storage, citrus rootstock seeds can be preserved throughout the year, a high germination rate and a low mildew rate can be ensured, and the aims of providing the citrus rootstock seeds throughout the year and cultivating the citrus rootstock seedlings throughout the year can be achieved.

Description

Technical field [0001] The invention belongs to the technical field of agriculture, and particularly relates to a composite preservative for citrus rootstock seeds, and a preparation method and application thereof. Background technique [0002] Recalcitrant seeds, with relatively high water content (30% to 60%) at maturity, can not tolerate dehydration or mild dehydration, and lose their vitality when the critical water content reaches a higher critical water content. At the same time, they are sensitive to low temperature; they are recalcitrant. Seed plants are mostly important economic crops, and their storage technology is a key link to ensure the continuation of plant races. [0003] There are two main storage methods for refractory seeds, one is short-term storage and the other is ultra-low temperature storage. [0004] Short-term storage mainly includes imbibition storage method or water immersion storage method, partial dehydration room temperature storage method, air conditi...

Claims

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Application Information

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IPC IPC(8): A01N3/00A01C1/00
CPCA01C1/00A01N3/00
Inventor 郭雁君吉前华梁康钦郭丽英张小凤蒋惠
Owner ZHAOQING UNIV
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