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Tobacco seed primer, preparation method of tobacco seed primer, and tobacco seed priming method

A technology for tobacco seeds and initiators, which is applied in the fields of botanical equipment and methods, chemicals for biological control, biocides, etc., can solve the problems of poor quality of tobacco seedlings, low resistance, small particles of tobacco seeds, etc. Increase the emergence rate and quality of seedlings, enhance cold resistance, and ensure the effect of triggering effects

Active Publication Date: 2017-04-26
YUNNAN NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tobacco seed particles are small, so there are large seeding rates in production, low emergence rate, and poor quality of tobacco seedlings; tobacco seed germination and early seedling growth are sensitive to low temperature and drought, and the resistance is low, which improves the resistance of tobacco seeds and seedlings to low temperature. and drought resistance have important practical significance in tobacco seedling cultivation

Method used

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  • Tobacco seed primer, preparation method of tobacco seed primer, and tobacco seed priming method
  • Tobacco seed primer, preparation method of tobacco seed primer, and tobacco seed priming method
  • Tobacco seed primer, preparation method of tobacco seed primer, and tobacco seed priming method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of tobacco seed initiator, is made up of the component of following concentration: 0.6mmol / L calcium chloride, 0.3mmol / L gibberellin, 8mmol / L betaine, 60mmol / L proline, 0.5mmol / L salicylic acid acid, 0.06mmol / L sodium nitroprusside and 5mmol / L trehalose.

[0032] Tobacco seed initiator preparation method: take by weighing 88.2mg calcium chloride (CaCl 2 2H 2 O), 103.8mg gibberellin (C 9 h 22 o 6 ), 6.9g proline (C 5 h 9 NO 2 ), 69mg salicylic acid (C 7 h 6 o 3 ), 1.89g trehalose (C 12 h 22 o 11 2H 2 O), 936mg betaine (C 5 h 11 NO 2 ), 17.9mg sodium nitroprusside (C 5 FeN 6 Na 2 O·2H 2 O), and dissolved in water successively according to the above sequence, and configured into a 1L solution, it should be noted that sodium nitroprusside needs to be added now, that is, added when triggering.

[0033] Tobacco seed initiation method: select tobacco seeds, sterilize with 0.5% NaClO solution for 5 minutes, rinse with distilled water, then soak tobac...

Embodiment 2

[0035] A kind of tobacco seed initiator, is made up of the component of following concentration: 1mmol / L calcium chloride, 0.5mmol / L gibberellin, 12mmol / L betaine, 100mmol / L proline, 1.0mmol / L salicylic acid , 0.1mmol / L sodium nitroprusside and 10mmol / L trehalose.

[0036] Tobacco seed initiator preparation method: take by weighing 147mg calcium chloride (CaCl 2 2H 2 O), 173mg gibberellin (C 9 h 22 o 6 ), 11.5g proline (C 5 h 9 NO 2 ), 138mg salicylic acid (C 7 h 6 o 3 ), 3.78g trehalose (C 12 h 22 o 11 2H 2 O), 1.4g betaine (C 5 h 11 NO 2 ), 29.8mg sodium nitroprusside (C 5 FeN 6 Na 2 O·2H 2 O), and dissolved in water successively according to the above sequence, and configured into a 1L solution, it should be noted that sodium nitroprusside needs to be added now, that is, added when triggering.

[0037] Tobacco seed initiation method: select tobacco seeds, sterilize with 0.5% NaClO solution for 5 minutes, rinse with distilled water, then soak tobacco see...

Embodiment 3

[0039] A kind of tobacco seed initiator, is made up of the component of following concentration: 0.8mmol / L calcium chloride, 0.4mmol / L gibberellin, 10mmol / L betaine, 80mmol / L proline, 0.75mmol / L salicyl acid, 0.08mmol / L sodium nitroprusside and 7.8mmol / L trehalose.

[0040] Tobacco seed initiator preparation method: take by weighing 117.6mg calcium chloride (CaCl 2 2H 2 O), 138.4mg gibberellin (C 9 h 22 o 6 ), 9.2g proline (C 5 h 9 NO 2 ), 103.5mg salicylic acid (C 7 h 6 o 3 ), 2.948g trehalose (C 12 h 22 o 11 2H 2 O), 1.17g betaine (C 5 h 11 NO 2 ), 23.8mg sodium nitroprusside (C 5 FeN 6 Na 2 O·2H 2 O), and dissolved in water successively according to the above sequence, and configured into a 1L solution, it should be noted that sodium nitroprusside needs to be added now, that is, added when triggering.

[0041] Tobacco seed initiation method: select tobacco seeds, sterilize with 0.5% NaClO solution for 5 minutes, rinse with distilled water, then soak tob...

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Abstract

The invention provides a tobacco seed primer, a preparation method of the tobacco seed primer, and a tobacco seed priming method, and relates to the technical field of plant cultivation. The tobacco seed primer provided herein is made from calcium chloride, gibberellin, betaine, proline, salicylic acid, sodium nitroprusside, and trehalose. The tobacco seed primer is capable of enhancing the resistance of tobacco seeds to low temperature stress, drought stress and low temperature and drought cross-stress, and is effective for increasing emergence rate of tobacco seeds and the quality of seedlings. In addition, the invention provides the preparation method of the tobacco seed primer; by dissolving calcium chloride, gibberellin, proline, salicylic acid, trehalose, betaine, and sodium nitroprusside sequentially in water, it is possible to effectively ensure the priming effect of the primer. In addition, according to the priming method of tobacco seeds provided herein, by using the tobacco seed primer provided herein, it is possible to enhance the cold resistance and drought resistance of tobacco seeds.

Description

technical field [0001] The invention relates to the technical field of plant cultivation, in particular to a tobacco seed initiator, a preparation method thereof and a tobacco seed initiation method. Background technique [0002] Seed priming belongs to the category of seed treatment technology. Seed priming is to control the slow absorption of water by the seeds so that they stay in the second stage of imbibition, allowing the seeds to perform the physiological and biochemical metabolism and repair of pre-germination, promote the repair of cell membranes, organelles, DNA and the activation of enzymes, and are ready to germinate Metabolic state, but prevents protrusion of radicle. [0003] Seed priming has been successfully applied to many plant species including vegetable crops such as kale, beetroot, cabbage, parsnips, carrots, celery, cucumbers, green onions, cantaloupe, melons, onions, parsley, peas , capsicum, beet, tomato, spinach, and watermelon; food crops such as ...

Claims

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Application Information

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IPC IPC(8): A01N59/24A01N59/08A01N43/12A01N37/44A01N43/36A01N37/40A01N43/16A01P21/00
CPCA01N37/40A01N37/44A01N43/12A01N43/16A01N43/36A01N59/08A01N59/24A01N2300/00
Inventor 龚明坎平马文广杨慧芹
Owner YUNNAN NORMAL UNIV
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