Method for promoting tartary buckwheat seed germination and seedling root development
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A technology for seedlings and seeds, applied in the fields of seed and rhizome treatment, botany equipment and methods, seed immunity, etc., can solve the problems of underdeveloped buckwheat roots, easy lodging, and low yield, and achieve reduced root damage, neat germination, less winding effect
Pending Publication Date: 2022-02-11
CHENGDU UNIV
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However, the root system of buckwheat has been underdeveloped for a long time, the yield is low, and it is easy to lodging. It is urgent to conduct in-depth research on the development of the root system of buckwheat, update the planting and cultivation techniques of buckwheat, and increase the yield of buckwheat.
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Embodiment ( 1
[0023] A kind of method of promoting tartary buckwheat seed germination
[0024] (1) Select ripe and plump tartary buckwheat seeds without impurities and pests, place them in 0.1% thiophanate-methyl for 1 hour to sterilize the seeds, and then place them in a 15-25° C. environment for 6 hours of clear water soaking;
[0025] (2) Ultrasonic the graphene oxide and UP water, fully mix for 3 minutes, and make graphene oxide suspension;
[0026] (3) The tartary buckwheat seeds after clear water germination are placed in the seedling raising tray that adds graphene oxide suspension for hydroponics (such as Figure 4 ,Note: Figure 4 The medium is ultrapure water, which is for reference only here), keep the suspension liquid level not exceeding 1 / 3 of the seed height, and the ambient temperature is 15-25°C.
[0027] (4) Taking the white radicle as the standard, the germination rate and germination potential were counted every 12 hours.
[0028] The graphene used in the present inve...
Embodiment 1
[0037] When using graphene oxide>99wt%, 0.5-3μm in diameter, the suspension concentration is 10μg / L; 100μg / L; 500μg / L; 1000μg / L; %, 77.78%, 73.61%, 72.50%, the best concentration is: 500μg / L, the germination rate reaches 77.78%, which is 64.72% higher than the control 47.22%. 10μg / L; 100μg / L; 500μg / L; 1000μg / L; 43.06%, 86.73% higher than the control 23.06%.
Embodiment 2
[0039] When using graphene oxide>98wt%, 8-15μm in diameter, the suspension concentration is 10μg / L; 100μg / L; 500μg / L; 1000μg / L; %, 82.22%, 70.00%, 65.28%, among which the best concentration is 500μg / L, the germination rate reaches 82.22%, which is 74.12% higher than the control 47.22%. 10μg / L; 100μg / L; 500μg / L; 1000μg / L; 38.33%, 66.22% higher than the control 23.06%.
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Abstract
The invention discloses a method for promoting tartary buckwheat seed germination and seedling root development, and belongs to the technical field of plant cultivation. The method comprises the following steps: accelerating germination: tartary buckwheat seeds are soaked and disinfected with 0.1% thiophanate-methyl, cleaned with clear water and then placed in an environment at the temperature of 15-25 DEG C, and the seeds are soaked with clear water for 6 h; seed sowing: the germinated tartary buckwheat seeds are subjected to germination disc water culture through a graphene oxide UP water suspension at the environment temperature of 15-25 DEG C, and the solution is added in time according to the evaporation capacity until the solution does not exceed 1 / 3 of the height of the seeds, wherein after the water culture treatment through the graphene oxide, the germination rate and germination potential of the tartary buckwheat are obviously improved; bud seedling transplanting; seedling sampling. The method has the advantages of being easy to operate, low in cost, remarkable in effect and the like, and a new thought and a new method can be provided for tartary buckwheat field production practice and research in the fields related to physiological and biochemical mechanisms such as root-crown relation, material transportation, breeding, and stress resistance; compared with a common cultivation method, root systems are easy to separate and less in winding, root system damage in the sampling process is effectively reduced, and the integrity of the root systems is guaranteed, so that the corresponding experimental research is facilitated.
Description
technical field [0001] The invention relates to the technical field of plant planting, and relates to a method for promoting the germination of tartary buckwheat seeds and the development of seedling roots and hydroponic tartary buckwheat seeds obtained by the method. Background technique [0002] Buckwheat (scientific name: Fagopyrum esculentum Moench.), alias: Jingchang grass, rye, triangular wheat, etc., is an annual herb, and belongs to Liao family like Polygonum multiflorum and Rhubarb. It is a functional food with nutritional and health value and extraordinary therapeutic effect, and has a good development prospect. Buckwheat has a long history of cultivation and is distributed in most parts of China, as well as in Asian and European countries. Sweet buckwheat and tartary buckwheat are the two main buckwheat cultivars. With the gradual deepening of the research on buckwheat nutrition and medicinal ingredients, people are more and more fond of buckwheat food, and the ...
Claims
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