A storage method for improving germination rate of seed potatoes

A germination rate, potato technology, applied in the field of storage to improve the germination rate of seed potatoes, can solve the problems affecting the emergence rate, plant growth and yield, prolonging the germination and growth of tubers, and nutrient loss of tubers, so as to prevent and control seed potato diseases and prolong Dormant period, the effect of reducing the consumption of nutrients

Inactive Publication Date: 2021-05-25
金华市思内克科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The degree of dormancy of seed potatoes affects the morning and evening of field emergence, uniformity and yield, especially prolonging the germination and growth of tubers, and ultimately affecting the increase in yield. If the potatoes are not stored properly, the potatoes will germinate early, which will cause the loss of nutrients and Dehydration and wilting will affect the emergence rate, plant growth and yield. Some varieties have a long dormancy period or slow germination. When production needs, the seed potatoes will be accelerated to break dormancy and sow in time

Method used

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  • A storage method for improving germination rate of seed potatoes
  • A storage method for improving germination rate of seed potatoes
  • A storage method for improving germination rate of seed potatoes

Examples

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Effect test

Embodiment 1

[0045] A storage method for improving the germination rate of seed potatoes, comprising the steps of:

[0046] S1: Callus treatment was performed on the freshly harvested seed potatoes for 5 days;

[0047] S2: Soak the seed potatoes in step S1 with a pretreatment agent comprising the extract of Dinggong genus plant and N-cocoyl compound amino acid in a weight ratio of 100:0.03 for 5 minutes, and dry in the dark;

[0048] S3: The seed potatoes in step S2 are placed in mesh bags or packing boxes, and stored in a cold storage.

[0049] The above-mentioned Phytophthora genus plant extract contains chlorogenic acid and isochlorogenic acid, which is obtained by ultrasonic-microwave double-assisted extraction, specifically: adding 30% ethanol to the Phylobacter genus plant powder according to the solid-liquid ratio of 1:10g / mL , 0.2‰ emodin and 0.1‰ catechin mixed solution, after soaking for 3h, ultrasonically extract 5min under ultrasonic power of 50W and temperature of 40°C, then ...

Embodiment 2

[0054] A storage method for improving the germination rate of seed potatoes, comprising the steps of:

[0055] S1: The newly harvested seed potatoes were subjected to callus treatment for 7 days;

[0056] S2: Soak the seed potatoes in step S1 with a pretreatment agent comprising Dinggongia plant extract with a weight ratio of 100:0.05 and N-cocoyl compound amino acid for 12 minutes, and dry in the dark;

[0057] S3: The seed potatoes in step S2 are placed in mesh bags or packing boxes, and stored in a cold storage.

[0058] The above-mentioned Phytophthora genus plant extract contains chlorogenic acid and isochlorogenic acid, which is obtained by ultrasonic-microwave double-assisted extraction, specifically: adding 40% ethanol to the Phylobacter genus plant powder according to the solid-liquid ratio of 1:15g / mL , 0.5‰ emodin and 0.15‰ catechin mixed solution, after soaking for 4h, the ultrasonic power is 55W, the temperature is 45 ℃ and the ultrasonic extraction is 10min, and...

Embodiment 3

[0063] A storage method for improving the germination rate of seed potatoes, comprising the steps of:

[0064] S1: Callus treatment of freshly harvested seed potatoes for 8 days;

[0065] S2: Soak the seed potatoes in step S1 with a pretreatment agent comprising the extract of Ding Gong genus and N-cocoyl compound amino acid in a weight ratio of 100:0.07 for 20 minutes, and dry in the dark;

[0066] S3: The seed potatoes in step S2 are placed in mesh bags or packing boxes, and stored in a cold storage.

[0067] The above-mentioned Phytophthora genus plant extract contains chlorogenic acid and isochlorogenic acid, which is obtained by ultrasonic-microwave double-assisted extraction, specifically: add 50% ethanol to the Phylobacter genus plant powder according to the solid-liquid ratio of 1:20g / mL , 0.8‰ emodin and 0.2‰ catechin mixed solution, after soaking for 5h, ultrasonically extract 15min under ultrasonic power of 60W and temperature of 50°C, and then cool and filter unde...

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Abstract

The invention provides a storage method for improving the germination rate of seed potatoes, which belongs to the technical field of crop seed storage, and comprises the following steps: S1: performing callus treatment on freshly harvested potato seed potatoes for 5-8 days; S2: treating the seed potatoes in step S1 Soak for 5-20min with the pretreatment agent containing the plant extract of the genus Typhoid, and dry in the dark; S3: put the seed potato in step S2 in a mesh bag or a packing box, and store it in a cold storage. The content of isochlorogenic acid in the used Dinggong genus plant extract of the storage method of the present invention is high, and the productive rate of the prepared N-cocoyl compound amino acid is high; the method can reduce soluble starch synthase, polyphenol oxidase and peroxide Enzyme activity, inhibits the growth and reproduction of microorganisms in seed potatoes, prolongs the dormancy period of tubers, and in the process of releasing dormancy of seed potatoes, the activities of soluble starch synthase, polyphenol oxidase and peroxidase increase, increasing the germination rate.

Description

technical field [0001] The invention belongs to the technical field of crop seed storage, and in particular relates to a storage method for improving the germination rate of seed potatoes. Background technique [0002] As a major crop with wide adaptability, strong stress resistance and high unit yield, potato is widely cultivated in various parts of my country. The annual cultivated area in the country has been stable at about 5 million hectares for many years, and the annual demand for seed potatoes is 10 million tons. More than 1 million tons of seed potatoes are lost during storage every year. Good storage facilities and storage techniques are the key to reducing storage losses. The degree of dormancy of seed potatoes affects the morning and evening of field emergence, uniformity and yield, especially prolonging the germination and growth of tubers, and ultimately affecting the increase in yield. If the potatoes are not stored properly, the potatoes will germinate early,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00A01N37/38A01N35/06A01N37/40A01N37/46A01P21/00
CPCA01C1/00A01N35/06A01N37/38A01N37/40A01N37/46
Inventor 崔悦
Owner 金华市思内克科技有限公司
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