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Application of rose kocuria SDB9 and brevibacterium brevicola SDB5 in regulation and control of potatoes

A technology of cold-resistant Brevibacterium and Corkia bacterium, applied in the fields of application, chemicals for biological control, climate change adaptation, etc., can solve the problems of unfriendly environment, high cost and high technical difficulty, and achieve environmental friendliness and low cost. Low cost and low technical difficulty

Active Publication Date: 2022-05-17
榆林市中泰农业科技有限公司
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to use plant rhizosphere growth-promoting bacteria to regulate the development and nutritional quality of potato tubers, which solves the problems of unfriendly environment, high cost and high technical difficulty existing in the prior art

Method used

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  • Application of rose kocuria SDB9 and brevibacterium brevicola SDB5 in regulation and control of potatoes
  • Application of rose kocuria SDB9 and brevibacterium brevicola SDB5 in regulation and control of potatoes
  • Application of rose kocuria SDB9 and brevibacterium brevicola SDB5 in regulation and control of potatoes

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Effect test

Embodiment 1

[0029] Example 1: Regional Trials

[0030] (1) Potato varieties tested: Kexin No. 1 (Zihuabai), one of the main local varieties in Yulin.

[0031] (2) Processing of test potato materials:

[0032] Select healthy potato tubers that are basically the same in color and size and free from diseases and insect pests, and divide them into 4 groups on average, and use a concentration of 1×10 6 -10 7 CFU / mL of SDB5 bacterial solution, SDB9 bacterial solution, SDB5+SDB9 mixed bacterial solution in equal proportions and the same amount of water (control), after soaking, dry in the shade for later use. The experiment adopts single factor randomized block design, divides into 4 treatments and 3 repetitions, and the area of ​​each repetition plot is 40m 2 , 8m in length and 5m in width, the sowing rate of hole sowing is 1 hole / hole, the row spacing is 70cm, the plant spacing is 50cm, and 4 rows of protection rows are set around. In the future, they will be managed according to tradition...

Embodiment 2

[0065] Embodiment 2: production test

[0066] (1) The tested potato variety: Qingshu No. 9, one of the main local varieties in Yulin.

[0067] (2) Processing of test potato materials:

[0068] respectively with a concentration of 1×10 6 -10 7 CFU / mL SDB5 bacterial solution, SDB9 bacterial solution, SDB5+SDB9 mixed bacterial solution in equal proportions soaked the cut seed potato tubers, and dried in the shade for later use. 1 mu was sown by machine for each treatment. In the future, they will be managed according to traditional planting methods.

[0069] (3) Tuber morphology observation:

[0070] A hole was randomly selected for each treatment, and all tubers were dug out for observation. The results showed that: the results of the production test were basically consistent with the results of the previous year’s regional test. When the Brevibacterium cold-tolerant SDB5 was used alone, there were more large potatoes and small potatoes; when the two strains were used in c...

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Abstract

The invention relates to application of kocuria roseus SDB9 and brevibacterium brevicola SDB5 in regulation and control of potatoes, and belongs to the technical field of microorganism application. The Kocuria roseus SDB9 and the Brevibacterium brevicola SDB5 are independently used or used in a combined mode, different influences are generated on potato tuber development and nutritional quality, the potato tuber development can be regulated and controlled, the potato nutritional quality can be improved, the commercial potato rate can be increased, and the number of single-plant tubers changes along with different use modes. Therefore, a foundation is laid for regulating and controlling development and nutritional quality of potato tubers by using a microbiological method.

Description

technical field [0001] The invention relates to the technical field of microbial application, in particular to the application of Cochlear rosea SDB9 and Brevibacterium cold-resistant SDB5 in regulating potato. Background technique [0002] Plant Growth Promoting Rhizobacteria (PGPR) is a general term for beneficial rhizobacteria that live in the microdomain of the plant rhizosphere and can antagonize pathogenic bacteria or promote plant growth. Rhizosphere growth-promoting bacteria can improve plant growth by secreting indole acetic acid, cytokinin and other hormones, promoting plant absorption of nutrients and improving host system resistance. In previous studies, two strains of PGPR strains, Cochlear roseus SDB9 and Brevibacterium cold-tolerant SDB5, were isolated from the rhizosphere of cypress cypress. Both strains are salt- and alkali-tolerant, and can synthesize auxin indole acetic acid at a high level and cell division. It is a natural plant growth regulator, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/20A01P21/00
CPCA01N63/20Y02A40/10
Inventor 王建武相微微王宏梅
Owner 榆林市中泰农业科技有限公司
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