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Method for promoting the growth of sweet sorghum in saline-alkali land with arbuscular mycorrhizal fungi and organic fertilizer

A technology of arbuscular mycorrhizal fungi and sweet sorghum, applied in organic fertilizers, botany equipment and methods, applications, etc., to achieve the effects of promoting plant growth, alleviating saline-alkali stress, and changing rhizosphere physical and chemical properties

Active Publication Date: 2020-06-02
HENAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, there is no relevant report on the effect of combined use of arbuscular mycorrhizal fungi and organic fertilizers on the salt-alkali tolerance of sweet sorghum

Method used

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  • Method for promoting the growth of sweet sorghum in saline-alkali land with arbuscular mycorrhizal fungi and organic fertilizer
  • Method for promoting the growth of sweet sorghum in saline-alkali land with arbuscular mycorrhizal fungi and organic fertilizer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 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:

[0035] Step 1, preparation of moses stipe fungus agent

[0036] The initial inoculant is a soil sample containing Funneliformis mosseae spores, hyphae and infected root segments;

[0037] 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;

[0038] Adopt mixed application method to inoculate described initial inoculant in matrix, inoculum ...

Embodiment 2

[0049] Utilize the method that rhizophysis internae promotes the growth of sweet sorghum in saline-alkali land, except that the arbuscular mycorrhizal fungus bacterial classification and sweet sorghum kind are different from embodiment 1, all the other are the same;

[0050] The arbuscular mycorrhizal fungus is Rhizophagus intraradices, provided by China Agricultural University; the sweet sorghum variety is Liaotian 5, which is purchased from the market; the biological yield of sweet sorghum is measured after maturity As in Table 2:

[0051] Table 2 Effects of rhizomatous fungal agents and organic fertilizers on the fresh weight and grain yield of sweet sorghum (Liaotian No. 5)

[0052] deal with Fresh weight of stalks (kg / hm 2 )

[0053] It can be seen from Table 2 that the average fresh weight of the stalks in the control treatment was 62200kg / hm 2 , the average biological yield of the stalks was 68500kg / hm under the treatment of applying the fungus fungus in t...

Embodiment 3

[0055] Utilize Phylopodium scoliticum to promote the growth of sweet sorghum in saline-alkali land, except that the arbuscular mycorrhizal fungus strains are different from Example 1 and two sweet sorghum varieties are adopted, all the other are the same;

[0056] The arbuscular mycorrhizal fungus was Funneliformis caledonium, provided by the Nanjing Soil Research Institute of the Chinese Academy of Sciences; the sweet sorghum varieties were Yajin 2 and Liaotian 5, both of which were purchased from the market; The measurement results of the yield are shown in Table 3:

[0057] Table 3 Effects of Scotch stalk fungi and organic fertilizers on sweet sorghum (Yajin 2 and Liaotian 5) stalk fresh weight and grain yield

[0058]

[0059] It can be seen from Table 3 that for Yajin No. 2 sweet sorghum, the average fresh weight of the stalks treated with Phylopodium scotidica, organic fertilizer, and bacterial agent and organic fertilizer were respectively 62800kg / hm 2 、66600kg / hm ...

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Abstract

The invention relates to a method for promoting growth of sweet sorghum in a saline-alkali land with arbuscular mycorrhizal fungi and an organic fertilizer, sweet sorghum seeds are sown in the saline-alkali land, the arbuscular mycorrhizal fungi are inoculated and the organic fertilizer is applied simultaneously, and conventional field management is performed in the growing process of the sweet sorghum until harvesting. According to the method, the buffering performance and adsorption capacity of the soil can be enhanced by the aid of the actions of adsorption, complexing, reduction, volatilizing and the like of the organic fertilizer, the toxic action of saline ions is reduced, and the plant growth is promoted; the effectiveness of the saline ions is reduced by the aid of the chelation, the hypha immobilization function and the like of the arbuscular mycorrhizal fungi, the plant tolerance is improved in various ways of improving the plant nutriture, changing the rhizosphere physical and chemical properties, changing the root morphology, adjusting the expression of some salt-resistant genes and the synthesis of related proteins and the like, and the arbuscular mycorrhizal fungi and the organic fertilizer are applied simultaneously, so that saline-alkali stress can be relieved synergistically.

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 and organic fertilizers. Background technique [0002] Sweet sorghum is one of the key energy plants developed in my country. Because of its high sugar content in the stalk, it can be used as a high-quality raw material for ethanol production. Sweet sorghum has strong resistance to drought, waterlogging, salt and alkali, barrenness, high temperature, dry and hot wind, etc. Planting in saline-alkali land, mountainous areas with poor soil and mid-level areas. Sweet sorghum is mostly grown on non-agricultural soils. [0003] The area of ​​saline-alkali land in my country is relatively large. Because of its high salt content and high alkalinity, it is not conducive to the growth of crops. Therefore, the development and utilization of saline-alkali land is an u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/20C05F15/00C05F11/08
CPCA01G22/00C05F11/08
Inventor 王发园石兆勇高国峰李珂邢红恩
Owner HENAN UNIV OF SCI & TECH
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