Method for quickly breaking dormancy of birch-leaf pear seeds with hydroxylamine chloride

A technology of hydroxylamine chloride and seeds, applied in the fields of seed immunization, seed and rhizome treatment, botany equipment and methods, to achieve accurate results, good reproducibility, and reduce quality disputes

Inactive Publication Date: 2009-10-28
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
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Problems solved by technology

[0006] Technical problem The present invention studies the germination of Du pear rootstock seeds, grasps its dormancy and germination rules, and

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  • Method for quickly breaking dormancy of birch-leaf pear seeds with hydroxylamine chloride
  • Method for quickly breaking dormancy of birch-leaf pear seeds with hydroxylamine chloride
  • Method for quickly breaking dormancy of birch-leaf pear seeds with hydroxylamine chloride

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Embodiment Construction

[0025] Seed germination test can provide seed vitality information for seed producers, operators, and receiving departments, and is an important means for scientific research on seed badness, ultra-dry preservation mechanism and production potential. Seed germination plays a pivotal role in seed quality management, breeding, production and seed scientific research. Low-temperature stratification treatment is an effective means to break the dormancy of Du pear seeds and promote seed germination, but the stratification time is too long, 30-60 days. It takes 12 days for the germination rate of Du pear seeds with seed coats to be lower than 5% for one week. Although hormones and other chemical agents can break the dormancy of the seeds of Pidu pear seeds, the germination rate of the seeds is lower than 20%, the germination time is longer, needs 20 days, and the germination is irregular. The combination of hormone soaking and shell breaking treatment has the same germination effec...

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Abstract

The invention provides a method for quickly breaking dormancy of birch-leaf pear seeds with hydroxylamine chloride, which relates to the breaking of seed dormancy and seed germination and belongs to the technical field of plant production. The method comprises the following steps: peeling off pericarp of a ripening fruit; rubbing the peeled fruit to eliminate pulp; soaking seeds in sodium hypochlorite (NaClO) of which the mass volume ratio is 20 percent to remove the pulp adhered to seed capsules; sterilizing the seeds by soaking the seeds in a mercuric chloride solution of which the mass volume ratio is 0.1 percent for 8 minutes; taking the cleaned birch-leaf pear seeds, and presoaking the seeds for 24 hours respectively in the hydroxylamine chloride of which the mass volume ratio is 0.8 percent at room temperature; and sowing the seeds after washing the seeds for 5 to 6 times. The main basis of the method is that the birch-leaf pear seeds have the characteristic of embryo dormancy, the dormancy of the birch-leaf pear seeds can be broken after the treatment with the hydroxylamine chloride, and the method can promote the seed germination, increase the seed germination rate, and has tidy germination.

Description

technical field [0001] The invention is a method for breaking the dormancy of pear rootstock seeds—Durium pear seeds and rapidly promoting their germination, and belongs to the fields of plant life science, seed science, and seed production and trade. Background technique [0002] One of the biggest threats in agriculture is that the sown seeds do not have the germination ability to make the cultivars germinate and grow normally and fail to achieve the purpose of production. The purpose of carrying out seed inspection is not only to evaluate the quality of seeds before sowing, and to prevent the use of fake and inferior seeds for sowing, but also to provide seeds for producers, processors, warehouse managers, seed merchants, farmers, certification agencies and government seed management departments. Seed quality information, good management and good use of seeds are the basic guarantees for high yield, high quality and high efficiency in agriculture. In crop breeding, seed ...

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Application Information

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IPC IPC(8): A01C1/00A01C1/08A01N59/00A01N59/18A01P21/00
Inventor 吴俊张绍铃包建平吴华清陶书田
Owner NANJING AGRICULTURAL UNIVERSITY
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