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Method for reducing cadmium accumulation amount and increasing yield of honeysuckle through glomus mosseae

A technology of Glomus musculus and mossy balloon, which is applied in the field of reducing cadmium accumulation in honeysuckle and increasing its yield, can solve problems such as reducing cadmium accumulation in honeysuckle, and achieve the effects of improving mineral nutrition, good effect and increasing biomass.

Inactive Publication Date: 2016-05-18
SOUTH CHINA NORMAL UNIVERSITY
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  • Abstract
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Problems solved by technology

[0005] At present, there is no report on the use of mycorrhizal fungi to reduce the accumulation of cadmium in honeysuckle

Method used

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  • Method for reducing cadmium accumulation amount and increasing yield of honeysuckle through glomus mosseae
  • Method for reducing cadmium accumulation amount and increasing yield of honeysuckle through glomus mosseae
  • Method for reducing cadmium accumulation amount and increasing yield of honeysuckle through glomus mosseae

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Embodiment 1

[0044] 1. Propagation and culture of test strains and preparation of bacterial agents

[0045] Funeliformismosseae (Fm for short) BGCXJ02 was provided by the Institute of Plant Nutrition and Resources, Beijing Academy of Agriculture and Forestry Sciences. After using corn (Zeamays) as a host plant for potted propagation, the mixture containing host plant root segments, fungal hyphae, mycorrhizal fungal spores and potting soil is used as an inoculant. The specific process is as follows:

[0046] Fill the sterilized sand (according to the weight ratio, sand:soil=1:1) culture medium to 4 / 5 of the plastic basin. According to the inoculum amount of 4% (w:w), the Glomus mosei inoculant was evenly spread on the substrate as a thin layer. Then cover the sterilized substrate 2cm, water, sow 10-15 corn seeds / pot. Cover with 0.5cm sterilized substrate, and then move to the greenhouse for cultivation.

[0047] Harvest after 5 months of potting. When harvesting, first cut off the stem...

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Abstract

The invention discloses a method for reducing cadmium accumulation amount and increasing yield of honeysuckle through glomus mosseae. According to the method, glomus mosseae and honeysuckle are cultivated in a mutualistic symbiosis mode. Specifically, firstly, after expanding propagation cultivation is conducted on the glomus mosseae through a host plant, a mixture containing host plant roots, hyphae, mycorrhiza fungal spores and cultivation soil, namely a glomus mosseae agent is obtained; secondly, a culture medium is inoculated with the glomus mosseae agent for honeysuckle cultivation. By means of the method, honeysuckle growing can be promoted, and the yield is increased; more importantly, the cadmium concentration of the overground part (stems, leaves and flowers) and underground part (roots) of the honeysuckle can be reduced. An approach is provided for safely producing the honeysuckle in cadmium polluted soil, the method has great significance in production and application of the honeysuckle, and the method is good in effect, free of secondary pollution and low in cost. Meanwhile, a new thought and a new direction are provided for development and utilization of glomus mosseae.

Description

technical field [0001] The invention belongs to the technical field of heavy metal pollution restoration. More specifically, it relates to a method for reducing cadmium accumulation and increasing yield of honeysuckle by using Glomus mosei. Background technique [0002] Due to human activities such as farmland sewage irrigation, solid waste application, mining and smelting, soil cadmium pollution is becoming more and more serious. Cadmium is highly mobile and highly toxic in soil, and is one of the most toxic inorganic pollutants in the environment. Cadmium enters the plant body after being absorbed by plants, and can be enriched into the human body through the food chain, seriously threatening agricultural production and human health. For large areas of moderately and lightly polluted cultivated land, there is currently no economically feasible technical means to completely remove heavy metals from soil. The contradiction between a large population and a small amount of ...

Claims

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Application Information

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IPC IPC(8): A01G17/00C12N1/14C12R1/645
CPCA01G17/005C12N1/14
Inventor 靖元孝江秋云卓逢
Owner SOUTH CHINA NORMAL UNIVERSITY
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