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Method for promoting growth of sweet sorghum in saline-alkali soil through arbuscular mycorrhizal fungi

A technology of arbuscular mycorrhizal fungi and arbuscular mycorrhizal fungi is applied in the field of utilizing arbuscular mycorrhizal fungi to promote the growth of sweet sorghum in saline-alkali land, and achieves the effects of improving yield, simple and practical method and low cost.

Active Publication Date: 2017-12-22
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, there is no report on the use of arbuscular mycorrhizal fungi to promote the growth of sweet sorghum in saline-alkali soil

Method used

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  • Method for promoting growth of sweet sorghum in saline-alkali soil through arbuscular mycorrhizal fungi
  • Method for promoting growth of sweet sorghum in saline-alkali soil through arbuscular mycorrhizal fungi

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preparation example Construction

[0029] For the preparation of the mixed bacterial agent, it can be obtained by mixing a single bacterial agent, that is, the preparation method of the above-mentioned single bacterial agent prepares respectively the Pheocystis moses agent, the root inner rhizomatous fungal agent and the Pheocystic fungal agent of Scotch. Two or more of them are mixed, more specifically, the three single bacterial agents can be mixed uniformly in equal mass ratio;

[0030] For the application of bacterial agents, the saline-alkali land plots should be routinely sorted before sowing to make them suitable for planting, and then inoculated with a single or mixed bacterial agent. The amount of bacterial agent applied is 300-600kg per mu. Method or layer method or mixed method, the planting density of sweet sorghum is 6000-9000 plants per mu, and the conventional field management is carried out during the growth of sweet sorghum until harvest.

Embodiment 1

[0032]Utilize the method for the growth of sweet sorghum in saline-alkali land by Phylopodium moses, described Phylopodium moses is Funneliformis mosseae, this bacterial classification is common bacterial classification, provided by China Agricultural University, described The method includes the following steps:

[0033] Step 1, preparation of moses stipe fungus agent

[0034] The initial inoculant is a soil sample containing Funneliformis mosseae spores, hyphae and infected root segments;

[0035] Air-dry the farmland soil and organic fertilizer separately, pass through a 2mm fine screen, sterilize by high-pressure steam at 121°C for 1 hour, take out after high-pressure steam sterilization and cool to room temperature, and then put the farmland soil and organic fertilizer cooled to room temperature according to volume Ratio 2:1 mixing and stirring to form a matrix evenly;

[0036] Adopt mixed application method to inoculate described initial inoculant in matrix, inoculum a...

Embodiment 2

[0046] Utilize the method of rhizoma physalis to promote the growth of sweet sorghum in saline-alkali soil, except that arbuscular mycorrhizal fungus bacterial classification and sweet sorghum kind are different from embodiment 1, all the other are the same;

[0047] The arbuscular mycorrhizal fungus is Rhizophagus intraradices, which is a common fungus and provided by China Agricultural University; the sweet sorghum variety is Liaotian No. 5, which is purchased from the market; sweet sorghum The measurement results of sorghum's biological yield after maturation are shown in Table 2:

[0048] deal with

[0049] It can be seen from Table 2 that the average biomass of stems in the control treatment was 62200kg / hm 2 , the average biological yield of stems treated with rhizomatous fungal agent was 68500kg / hm 2 , increased by 10.1% compared with the control, it can be seen that the use of Physiocystis intrarhiza can promote the growth of sweet sorghum in saline-alkali s...

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Abstract

The invention relates to a method for promoting growth of sweet sorghum in saline-alkali soil through arbuscular mycorrhizal fungi. The method includes the steps of preparing and applying an arbuscular mycorrhizal fungi agent. When the arbuscular mycorrhizal fungi agent is prepared, a mixture of farmland soil and organic fertilizer serves as a substrate, and the organic fertilizer and decomposed products of the organic fertilizer can be used as a fungi protecting agent to have a buffering effect on saline ions in soil around the arbuscular mycorrhizal fungi in the early period when the fungi agent is applied to the saline-alkali soil so as to help the arbuscular mycorrhizal fungi to resist saline-alkali stress; the symbiotic relationship is smoothly formed between the arbuscular mycorrhizal fungi and the sweet sorghum, the mineral nutrition of the sweet sorghum is remarkably improved, the sweet sorghum can be helped to resist saline-alkali stress, and the growth of the sweet sorghum is promoted.

Description

technical field [0001] The invention relates to the field of sweet sorghum planting methods, in particular to a method for promoting the growth of sweet sorghum in saline-alkali land by using arbuscular mycorrhizal fungi. Background technique [0002] Sweet sorghum is one of the most widely planted energy plants and one of the crops with the highest biomass in the world. It is known as the most powerful competitor in the bioenergy system. Sweet sorghum is a C4 plant with high photosynthetic efficiency. It can harvest 3000-6000 kilograms of grain per hectare. At the same time, it can produce up to 4000-5000 kilograms of sugar-rich stalks (sugar content 17%-21%). These stalks It can be used as a high-quality raw material for the production of ethanol. Sweet sorghum has a wide range of uses and can be used to produce syrup, grain, ethanol, feed, and papermaking. It also has the ability to resist drought, waterlogging, saline, barren, high temperature, and dry hot wind. It can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C21/00A01B79/02C05G3/04C05G3/80
CPCA01B79/02A01C21/005A01G22/00C05D9/00C05G3/80C05F11/08
Inventor 王发园石兆勇李珂邢红恩
Owner HENAN UNIV OF SCI & TECH
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