Bradyrhizobium sp.RY4 strain and application thereof

A technology of strains and nodules, applied in the direction of bacteria, organic fertilizers, microorganisms, etc., can solve the problems of not achieving the effect of increasing yield, not being able to adapt well to the planting conditions of styli, and achieving the effect of increasing yield
CN101735969AInactive Publication Date: 2010-06-16TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI +2
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TROPICAL CORP STRAIN RESOURCE INST CHINESE ACAD OF TROPICAL AGRI SCI
Publication Date
2010-06-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a Bradyrhizobium sp.RY4 strain and application thereof. The Bradyrhizobium sp.RY4 strain is preserved at the China center for type culture collection and the preservation number is CCTCC NO:M209268. When the Bradyrhizobium sp.RY4 is back-jointed to stylosanthes guianensis TPRC2 and TPRC5, the number of root nodules, the dry weight of the root nodule, the height of the strain, the fresh weight of the plant and the nitrogenase activity are greatly increased and obviously higher than those in a control group; and the effect of the RY4 back jointed to the stylosanthes guianensis TPRC2 is better. Thalli are released to the natural environment, the thalli increase the number of the groups of nodule bacteria in soil, contribute to the nodulation and nitrogen fixation of the stylosanthes guianensis, are harmless for human beings, animals and plants, and do not pollute the environment.
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Description

technical field

[0001] The invention belongs to the technical field of plant nutrition and forage cultivation, and in particular relates to a biological nitrogen fixation technology, in particular to a rhizobia capable of effectively forming nodulation and high yield of stylo. Background technique

[0002] Stylosanthes guianensis SW., also known as tropical alfalfa and Brazilian alfalfa, is native to South America. In 1982, it was introduced from the International Center for Tropical Agriculture (CIAT) by the Chinese Academy of Tropical Agricultural Sciences, and it was successfully planted in Hainan. Now it has been widely promoted in various provinces (regions) in South China. The dry matter of Stylophyllum in full bloom stage contains 16.0-20.0% of crude protein, 1.8-2.5% of crude fat, 17.0-19.0% of fiber, 38.0-44.0% of nitrogen-free extract, and 8.0-10.0% of crude ash. The main leguminous forage, there is a saying in the grass industry that "there is alfalfa in the nort...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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