Method for reducing Cd content in cucumber fruits through grafting technique

A cucumber and fruit technology, which is applied in the field of controlling the heavy metal content of cucumber fruit, can solve the problems of restricting the production and supply capacity of food safety, achieve the effect of economical and effective bioremediation, reduce accumulation, and repair cadmium-contaminated soil

Inactive Publication Date: 2019-02-15
NINGBO ACAD OF AGRI SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, at present, plants with high enrichment capacity are mainly weeds, flowers, trees, etc., which limit my country's food security production and supply capacity to a certain extent.

Method used

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  • Method for reducing Cd content in cucumber fruits through grafting technique

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Embodiment 1

[0026] Embodiment 1: Utilize grafting technology to reduce the method for Cd content in cucumber fruit

[0027] 1 Materials and methods

[0028] 1.1 Grafting and raising seedlings

[0029] In the autumn of 2017, grafting seedlings were carried out in the seedling greenhouse of Ningbo High-tech Agricultural Technology Experimental Park.

[0030] (1) Select the plump and consistent pumpkin rootstock Yongzhen No. 7 seeds, sterilize the seeds with hot water at 70°C for 15 minutes, stir continuously, after soaking the seeds, wash the seeds, and then soak them in clean water at room temperature for 4-6 hours, scrubbing them twice during the process ; After soaking the seeds, wrap the seeds with a wet towel to keep them moisturized, place them in the incubator, and keep them at about 28-30°C to accelerate germination; Lay flat, with the radicle facing down, one seed per bowl, cover with 1.5cm thick seed mud, and cover with plastic film; before emergence, the temperature of the seed...

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Abstract

The invention discloses a method for reducing the Cd content in cucumber fruits through a grafting technique, and belongs to the technical field of control over the heavy metal content of cucumber fruits. According to the method for reducing the Cd content in the cucumber fruits through the grafting technique, grafting is conducted with common cucumbers as scions and Indo-Chinese hybrid pumpkins as stocks, cucumber plants obtained through grafting have the capability of root systems of the pumpkins of enriching Cd, the transport and transfer amount of Cd to leaves and fruits are reduced, and thus the accumulation amount of Cd in the cucumber fruits is reduced. The safety production of the cucumber fruits is obviously guaranteed, and meanwhile, the production and utilization capability of acadmium pollution field is improved. According to the grafting technique of grafting the cucumber scions onto the pumpkin stocks, the cucumbers of which the Cd content does not exceed the standard are obtained from soil with mild cadmium pollution by means of the grafting technique; meanwhile, the pumpkin stocks absorb Cd to reduce the Cd content in soil, the effect of remediating the soil with cadmium pollution is achieved, and the economical and practical biological remediation effect is achieved.

Description

technical field [0001] The invention relates to a technology for controlling heavy metal content in cucumber fruit, in particular to a method for reducing Cd content in cucumber fruit by using grafting technology. Background technique [0002] Cucumber is an annual warm-season crop of Cucurbitaceae, which originated in the southern foothills of the Himalayas. Cucumber is one of the main vegetable crops cultivated in my country and even in the world, and its position in fruit vegetables is second only to tomato. my country is a major producer of cucumbers, with a cultivation history of more than 2,000 years. The cultivation area accounts for about 60% of the world's cucumber cultivation area, and its scale and output rank first in the world. Cucumber is playing an increasingly important role in my country's agricultural structure adjustment and farmers' income increase. [0003] According to reports, the area of ​​cadmium-contaminated soil in China has reached 1.4×10 4 hm ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G2/30A01G22/05A01B79/02
CPCA01B79/02A01G2/30A01G22/05
Inventor 邢乃林王毓洪黄芸萍应泉盛张蕾琛王迎儿严蕾艳张华峰古斌权
Owner NINGBO ACAD OF AGRI SCI
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