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Method for promoting germination of seeds of endangered plant phoebe hainanensis

A Hainan wind and seed technology, applied in the direction of seed and rhizome treatment, fertilizer mixture, liquid fertilizer, etc., can solve the problems of limited plant germplasm resources, poor quality of seedlings, long germination cycle, etc., and achieve improved germination potential, easy operation, The effect of shortening germination time

Active Publication Date: 2022-03-11
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to their own biological characteristics, many plant seeds have low germination rate, long germination cycle, and poor quality of seedlings, which seriously limit the use of plant germplasm resources.

Method used

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  • Method for promoting germination of seeds of endangered plant phoebe hainanensis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for promoting the germination of endangered plant Phoebe hainanensis seeds, the main steps of which are as follows:

[0034] (1) Seed collection: Harvest the fruit of Phoebe hainanensis and place it in a ventilated place to dry in the shade. After the peel cracks, take out the seeds, remove the aril, spray 2000 times of trichlorfon powder to kill insects for 1 hour, and then wash it with clean water;

[0035] (2) Seed selection and treatment: select seeds with a single grain weight ≥ 5.0 g, and place them in a water bath at 35°C for 6 hours;

[0036] (3) Sand bed preparation: Select a plastic box with a length × width × height of 530 mm × 350 mm × 140 mm as a culture container, spread 5 cm thick fine sand in the plastic box, and spray 0.2% potassium permanganate Disinfect; before using the plastic box, wipe the plastic box with 75% alcohol for disinfection;

[0037] (4) Sowing: Put the seeds after the water bath into the culture container one by one, with the ...

Embodiment 2

[0042] According to the method of Example 1, the seeds of the endangered plant Phoebe hainanensis are germinated, the difference is that the raw material formula of the nutrient solution in step (5) is: 600 mL Hoagland's nutrient solution + 200 mL 400 mg / L GA 3 +100 mL 10.0 mg / L zeatin+50 mL 2000 mg / L volume concentration 50% carbendazim+50 mL 1000 mg / L methanol crude extract of Nanfeng Chuinan leaves.

Embodiment 3

[0044] According to the method of Example 1, the seeds of the endangered plant Phoebe hainanensis are germinated, the difference is that the raw material formula of the nutrient solution in step (5) is: 600 mL Hoagland's nutrient solution + 200 mL 200 mg / L GA 3 +100 mL 10.0 mg / L zeatin+50 mL 2000 mg / L volume concentration 50% carbendazim+50 mL 1000 mg / L methanol crude extract of Nanfeng Chuinan leaves.

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Abstract

The invention provides a method for promoting germination of seeds of endangered plant phoebe hainanensis, which comprises the working procedures of seed collection, seed selection and treatment, sand bed preparation, sowing, nutrient solution preparation and spraying and management after sowing, after phoebe hainanensis fruits are harvested, the seeds are taken out when peels crack, after the seeds are subjected to pest killing and water washing, the seeds with the weight of each seed being greater than or equal to 5.0 g are screened out, and the seeds with the weight being greater than or equal to 5.0 g are obtained. The method comprises the following steps of: soaking the seeds in a water bath at 35 DEG C for 6 hours, sowing the seeds in a prepared culture container, putting the culture container into a culture box after sowing, and spraying a nutrient solution to the culture container once at 8: 00-9: 00 every day. Aiming at the physiological characteristics of the phoebe hainanensis seeds, the morphological after-ripening process is completed under the condition of water bath at 35 DEG C for 6 hours, the spraying treatment of the nutrient solution is combined, the seed germination time is remarkably shortened, the germination rate is remarkably increased, the method has the characteristics of simplicity and convenience in operation and rapid and tidy germination, and the requirements of large-scale cultivation and standardized production of phoebe hainanensis are met.

Description

technical field [0001] The invention belongs to the technical field of tree seedling cultivation, and in particular relates to a method for promoting the germination of the endangered plant Phoebe hainanensis seeds. Background technique [0002] Hainan wind blows Nan ( Horsfieldia hainanensis Merr.) belongs to Myristacaceae (Myristacaceae), Phoebe ( Horsfieldia Willd.), is a unique evergreen tall tree distributed in a narrow area in China. Now it is mainly distributed in Guangxi, Yunnan, Hainan and other regions, mostly in the shady and humid valleys at the junction of China, Myanmar and Vietnam at an altitude of 400-450 m. Phoebe hainanensis is an iconic species of humid tropical rainforest, which is of great value for the study of tropical rainforest flora composition, geographical distribution, ecological habits, and the protection biology of endangered plants in tropical rainforest areas. At the same time, the leaves and bark of this plant can be used for therapeuti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00C05G3/00C05G3/60C05G5/20
CPCA01C1/00C05G3/00C05G3/60C05G5/20
Inventor 刘雄盛黄荣林王仁杰蒋燚姜英肖玉菲王勇李娟曹顺平刘菲韦铄星
Owner GUANGXI FORESTRY RES INST
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