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Method for promoting growth of Dioscorea polystachya

A technique for growing yam and bud

Inactive Publication Date: 2017-08-29
堵美娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The yield of yam planting is high, the price is stable, and it is welcomed by growers. Due to the changeable climate and other reasons, the growth rate of yam slows down, and improper fertilization is prone to erythema

Method used

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  • Method for promoting growth of Dioscorea polystachya

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Comparison scheme
Effect test

Embodiment 1

[0015] A method for promoting the growth of yam, comprising the following steps:

[0016] (1) Soak the yam seed potatoes in the soaking solution for 1 hour, take them out, dry them in an oven at 40°C, and put the obtained seed potatoes in a black greenhouse with a temperature of 23°C, a humidity of 50%, and a carbon dioxide concentration of 1500ppm germination;

[0017] (2) Plant yam seedlings with buds up to 2 cm in the direction facing south. After planting, spray insect repellent liquid within 10-15 cm around, and apply a layer of protective film on the seed buds. The protective film is calculated according to the weight percentage. Composed of the following ingredients: 6.5% dichlorophenoxyacetic acid, 5.5% 6-benzylaminopurine, 4.5% brassinolide, 8.0% EDTA, 3.5% sodium phytate, 2.5% thiamine hydrochloride, and the rest is acetone ;

[0018] (3) The method of fertilization during the yam growth period is: mix nitrogen fertilizer, potassium fertilizer, and phosphorus ferti...

Embodiment 2

[0023] A method for promoting the growth of yam, comprising the following steps:

[0024] (1) Soak the yam seed potato in the soaking solution for 1.5 hours, take it out, dry it in an oven at 45°C, and put the obtained seed potato in a black greenhouse with a temperature of 24°C, a humidity of 55%, and a carbon dioxide concentration of 1800ppm germination;

[0025] (2) Plant yam seedlings with buds up to 2.5 cm in the direction facing south. After planting, spray insect repellent liquid within 13 cm around, and apply a layer of protective film on the seed buds. The protective film is composed of the following according to the weight percentage: Ingredients: 7.0% dichlorophenoxyacetic acid, 6.0% 6-benzylaminopurine, 5.0% brassinolide, 8.5% EDTA, 4.0% sodium phytate, 3.0% thiamine hydrochloride, and the rest is acetone;

[0026] (3) The method of fertilization during the yam growth period is: mix nitrogen fertilizer, potassium fertilizer, and phosphorus fertilizer into 1.7 time...

Embodiment 3

[0031] A method for promoting the growth of yam, comprising the following steps:

[0032] (1) Soak the yam seed potatoes in the soaking solution for 2 hours, take them out, and dry them in an oven at 50°C. The obtained seed potatoes are placed in a black greenhouse with a temperature of 26°C, a humidity of 60%, and a carbon dioxide concentration of 200ppm germination;

[0033] (2) Plant yam seedlings with buds up to 3 cm in the direction facing south. After planting, spray insect repellent liquid within 15 cm around, and apply a layer of protective film on the seed buds. The protective film is composed of the following according to the weight percentage: Ingredients: 7.5% dichlorophenoxyacetic acid, 6.5% 6-benzylaminopurine, 5.5% brassinolide, 9.0% EDTA, 4.5% sodium phytate, 3.5% thiamine hydrochloride, and the rest is acetone;

[0034] (3) The method of fertilization during the yam growth period is: mix nitrogen fertilizer, potassium fertilizer, and phosphorus fertilizer int...

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Abstract

The invention relates to the field of Dioscorea polystachya planting, and discloses a method for promoting growth of Dioscorea polystachya. The method comprises the following steps: (1) pregermination treatment is performed on Dioscorea polystachya seed tubers, so that the obtained seed tubers produce strong and vigorous buds, and thus, the seedlings grow quickly, the disease resistance of the Dioscorea polystachya is enhanced, and the starch and protein contents are increased; (2) anti-insect protection management for planting: a plant-based anti-insect solution is specifically used for controlling white spot, anthracnose, brown spot and other diseases harming the growth of Dioscorea polystachya rhizomes, has favorable control effects, and has no toxic or side effect; and (3) the fertilizing amount and fertilizing mode in the Dioscorea polystachya growth process can provide nutrients for the shallow-root-system Dioscorea polystachya in time, thereby avoiding the problems of nonuniform thickness, deformation and the like of the Dioscorea polystachya due to improper fertilization. The method shortens the growth period of Dioscorea polystachya by 20-30 days, and increases the yield by 20-25%. The Dioscorea polystachya grown by the method has the advantages of uniform thickness, clear flesh color, bitter taste and sufficient smoothness, and is large and crisp.

Description

technical field [0001] The invention relates to the field of yam planting, in particular to a method for promoting the growth of yam. Background technique [0002] Yam, namely yam, alias Huai yam, Huai yam, soil potato, yam, sweet potato, and Yuyan. Perennial herbaceous plant with vines, often purple, cylindrical root, opposite leaves, ovate or elliptic, milky white flowers, dioecious, starchy and protein-containing root, edible, monocot, 650 species in 10 genera, Widely distributed in temperate and tropical regions of the world, about 80 species, native to Pingyao and Jiexiu in Shanxi, are now distributed in North China, Northwest my country and Jiangxi provinces in the Yangtze River Basin. Yam is rich in protein, B vitamins, vitamin C, vitamin E, glucose, crude protein amino acids, bile bases, allantoin, etc. Among them, yam soap, an important nutrient component, is a precursor substance for the synthesis of female hormones, nourishing yin and tonifying yang , Enhance the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G13/00A01C1/00A01C21/00A01N57/12A01N43/78A01N39/04A01N43/90A01N43/22A01N65/44A01P21/00A01P3/00A01P7/00
CPCA01C1/00A01C21/00A01G13/00A01G22/00A01G2013/004A01N39/04A01N43/22A01N43/78A01N43/90A01N57/12A01N65/00A01N65/08A01N65/12A01N65/34A01N65/44A01N2300/00Y02A40/10
Inventor 堵美娟
Owner 堵美娟
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