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Method for accelerating germination of carya illinoensis seeds in late winter and early spring

A thin-shell hickory seed technology, applied in the fields of seed and rhizome treatment, application, agriculture, etc., can solve the problem that it is difficult for seedlings to reach the degree of grafting

Active Publication Date: 2012-12-19
南京绿宙薄壳山核桃科技有限公司 +1
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Problems solved by technology

However, regardless of whether it is spring sowing or autumn sowing, it is difficult for annual seedlings to reach the level of grafting. Generally, it takes two growing seasons before grafting

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  • Method for accelerating germination of carya illinoensis seeds in late winter and early spring

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Embodiment Construction

[0032] A method for accelerating germination of pecan seeds in late winter and early spring, characterized in that it comprises the following steps and the sequence cannot be reversed:

[0033] 1): Picking seeds and removing impurities, collecting full seeds after the pecans are fully mature, removing broken seeds, and classifying according to the weight of the seeds, respectively, above 7g, 5-7g, and below 5g;

[0034] 2): Use 3% potassium permanganate solution to soak the seeds for 30 minutes to sterilize;

[0035] 3): Soak the seeds in cold water for 5 days, change the water once a day, dry the water on the surface of the seeds after soaking, and avoid exposure to the sun;

[0036] 4) Stratification, low-temperature sand storage, according to sand: seeds 3:1, temperature 5-10 ° C, humidity is hand-held into balls, hands loose and loose, and the time is 60 days.

[0037] 5) Hormone soaking, use 500mg / LGA 3 +50mg / LIBA+50mg / L6-BA Soak the seeds for 24 hours and wash them wit...

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Abstract

The invention relates to a method for accelerating germination of carya illinoensis seeds in late winter and early spring, belonging to the technical field of fruit tree and forest cultivation. The method comprises the steps of: 1) collecting seeds and removing impurities; 2) soaking the seeds in 3% of potassium permanganate solution for 30min for sterilization; 3) soaking the seeds in cold water for 5 days; 4) laminating and storing in sand at low temperature; 5) soaking the seeds by hormone: soaking the seeds in 500mg / L of GA3 (gibberellic acid), 50mg / L of IBA (indolebutyric acid) and 50mg / L of 6-BA (6-benzyl aminopurine) for 24 hours; 6) treating in a high-voltage electrostatic field (HVEF) with intensity of 30KV / cm for 1 hour; and 7) accelerating germination and sowing, and counting the germination rate after a month, wherein the germination rate is above 96%. By using the method, the sowing of the seeds is brought forward by more than 2 months and significance is brought to the seedling culture of the carya illinoensis.

Description

technical field [0001] The invention belongs to the technical field of fruit tree and tree cultivation, and relates to a method for accelerating germination of pecan seeds in late winter and early spring. Background technique [0002] Fruit trees refer to perennial woody or herbaceous plants, which are characterized by highly heterozygous genotypes and large variations in hybrid offspring, so seedlings cannot be bred through sexual reproduction. Therefore, asexual reproduction is adopted on fruit trees, such as grafting, cuttings, stolons, tissue culture and other techniques. Wherein grafting propagation is the most important propagation method in the production of fruit tree seedlings, and the rootstocks utilized in production are mainly bred by seedlings at present. [0003] Thin-shelled hickory is a world-renowned high-grade dry fruit, oil tree species and excellent tree species for both wood and fruit. The nut shell is thin and easy to peel, the kernel is thick, rich i...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 李永荣郭忠仁张计育翟敏宣继萍贾晓东刘永芝
Owner 南京绿宙薄壳山核桃科技有限公司
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