Method and application for eliminating continuous cropping obstacles by secondary grafting

A technology of secondary grafting and continuous cropping obstacles, applied in the agricultural field, can solve the problems of reduced quality, easy-to-dead seedlings, slow seed germination, etc., to achieve the effect of improving disease resistance and resistance to continuous cropping, avoiding continuous cropping obstacles, and eliminating continuous cropping obstacles.

Inactive Publication Date: 2010-08-25
吴洪生
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Crops, especially melon and fruit crops, are planted continuously for many years and multiple crops on the same land, which is prone to continuous cr

Method used

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  • Method and application for eliminating continuous cropping obstacles by secondary grafting
  • Method and application for eliminating continuous cropping obstacles by secondary grafting

Examples

Experimental program
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Effect test

Embodiment 1

[0008] Embodiment 1: Grafting watermelon on pumpkin and gourd

[0009] First sterilize and accelerate the germination of pumpkin and gourd seeds, sow them in the seedbed soil at 25-30°C, and pour enough water. After about a week, the pumpkin and gourd seeds will grow seedlings with 2 cotyledons or 1 true leaf. Finally, cut off the top of the pumpkin and gourd at 1.5cm downward with a sterile knife, and trim the cut into a slope at 45°C. Soak the slope end of the cut pumpkin scion in 5-40mg / L cytokinin solution for 1-2 Minutes, then fit the slope of the scion cut to the slope of the gourd seedling rootstock, gently clamp it with plastic clips, or lightly tie it tightly with cotton thread, block most of the sunlight with a sunshade net, pour enough water, and seal it with plastic film , keep high humidity, after 1 week, after the scion survives, remove the sunshade net, continue to grow for about 10 days, cut off the top of the gourd grafted seedlings about 1.5cm, and make the i...

Embodiment 2

[0010] Example 2: Cucumbers grafted on gourds and wax gourds

[0011] Disinfect and accelerate the germination of gourd and wax gourd seeds, sow them in the seedbed soil at 25-30°C, and water them enough. After about a week, the gourds and wax gourds will grow seedlings with 2 cotyledons or 1 true leaf. 1. Cut off the top of the gourd and wax gourd 1.5cm down with a sterilized knife, and trim the cut into a slope at 45°C. Soak the sloped end of the cut scion in 5-40mg / L cytokinin solution for 1-2 minutes, Then fit the slope of the scion incision with the slope of different kinds of rootstocks, gently clamp it with plastic clips, or lightly tie it tightly with cotton thread, cover most of the sunlight with a sunshade net, pour enough water, and seal it with plastic film around it. Keep high humidity. After one week, when the scion survives, remove the sunshade net and continue to grow for about 10 days. Cut off the top of the gourd and winter melon grafted seedlings about 1.5 c...

Embodiment 3

[0012] Embodiment 3: application effect of the inventive method

[0013] 1. Elimination of continuous cropping obstacles after watermelon grafting on pumpkin and gourd rootstocks

[0014] The watermelon seedlings of pumpkin and gourd secondary grafting are cultivated in pots and pots in the laboratory, and each pot is filled with 10Kg of watermelon field soil for 5 years of continuous cropping in the field, 15g of organic fertilizer, 3.8g of compound fertilizer, and 2 grafted watermelon seedlings are transplanted. The control pots were normal watermelon seedlings without grafting, poured enough water, and grew at 20-30°C. 45 days after transplanting and surviving, the growth status of the grafted watermelon plants was investigated. Compared with the control, the grafted watermelon vines increased the most 46.3% (Fig. 1), the maximum increase in biomass (fresh weight) was 49.5%, and the occurrence rate of Fusarium wilt was 0, while that of the control was 56.3%. The control wa...

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Abstract

The invention discloses a method for eliminating continuous cropping obstacles. The method comprises the steps of: grafting cucurbitaceous pumpkin, opo squash, calabash or wax gourd on a rootstock of the cucurbitaceous pumpkin, opo squash, calabash or wax gourd; after a sprout which is subject to a successful grafting grows a section of stem, grafting a watermelon or cucumber seedling coin on the growth stem section so as to realize the effect of avoiding continuous cropping obstacles of watermelon or cucumber, promoting the production of watermelon and cucumber and improving the land utilization rate and economic benefits of farmers. By adopting a secondary grafting method and respectively using crops of the same family but different genera or different categories as the rootstock and the coin for grafting, the invention avoids continuous cropping obstacles generated after long-term continuous cropping.

Description

1. Technical field [0001] The invention belongs to the technical field of agriculture, and in particular relates to a method for eliminating crop continuous cropping obstacles and its application. 2. Background technology [0002] Crops, especially melon and fruit crops, are planted continuously for many years and multiple crops on the same land, which is prone to continuous cropping obstacles, that is, slow seed germination, slow emergence, easy seedling death, slow plant growth, easy disease, reduced yield, and reduced quality. This is due to an ecological adaptation mechanism produced during the natural evolution of the crop production period, which prevents the growth of the crop from being affected by the lack of soil nutrients caused by the excessive growth and reproduction of the same crop. After continuous cropping, due to excessive and strong artificial intervention, the speed and frequency of crop growth are greatly accelerated compared with natural growth conditio...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G1/06
Inventor 吴洪生
Owner 吴洪生
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