Answer
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Hint: It is a bacteria that lives in a mutual symbiotic relationship with the legumes. It also has the ability to fix free nitrogen from the air. This species is also the main concepts in biology because it helps in describing the fundamentals and understanding of the biological diversity in relation to both ecology and genetics.
Complete answer:
-The bacteria which live in a symbiotic relationship with other organisms are called symbiotic bacteria.
-In the symbiotic relationship both the host and the pathogen are benefited like rhizobium bacteria associated with root nodules. Here plants provide shelter to the rhizobium bacteria and the bacteria helps plants in nitrogen fixation.
-The rhizobium bacteria live on the roots of the legumes in the soil or in nodules. They form the symbiotic association with the legume in the root nodule and receive nutrients from the plant. Hence, producing nitrogen for the process known as nitrogen fixation or biological nitrogen fixation.
-Rhizobium is also classified as slow-growing or fast-growing bacteria based on the growth in the laboratory medium.
Additional Information:
Many of the soil microorganisms play a very important role like rhizobia form a symbiotic relationship with the legumes resulting in biological nitrogen fixation.
-Erwinia amylovora - it is a bacteria that is first proved to be a pathogen of plants. It causes fire blight. Fire blight is a disease of apples and pears and can be seen in many parts of the world.
Xanthomonas campestris-it causes black rot in crucifers by darkening their blood vascular tissue. It is in an aerobic, gram-negative, and rod-shaped bacteria. About 20 different species have been identified pause distinctive pathogenicity in plants including crops and wild plants.
Agrobacterium tumefaciens- it causes the crown gall disease in over 140 species of eudicots. It is also a gram-negative and rod-shaped soil bacteria.
So, the correct answer is, “Rhizobium leguminosarum”.
Note: -According to the legume species rhizobia classified and this concept is known as cross inoculation groups.
-For the effective biological nitrogen fixation legume should be properly inaugurated with the correct rhizobium.
-The plant species and the environmental factors mostly affect the introduced rhizobium in the soil. Thus, rhizobium affects the result of inoculation.
Complete answer:
-The bacteria which live in a symbiotic relationship with other organisms are called symbiotic bacteria.
-In the symbiotic relationship both the host and the pathogen are benefited like rhizobium bacteria associated with root nodules. Here plants provide shelter to the rhizobium bacteria and the bacteria helps plants in nitrogen fixation.
-The rhizobium bacteria live on the roots of the legumes in the soil or in nodules. They form the symbiotic association with the legume in the root nodule and receive nutrients from the plant. Hence, producing nitrogen for the process known as nitrogen fixation or biological nitrogen fixation.
-Rhizobium is also classified as slow-growing or fast-growing bacteria based on the growth in the laboratory medium.
Additional Information:
Many of the soil microorganisms play a very important role like rhizobia form a symbiotic relationship with the legumes resulting in biological nitrogen fixation.
-Erwinia amylovora - it is a bacteria that is first proved to be a pathogen of plants. It causes fire blight. Fire blight is a disease of apples and pears and can be seen in many parts of the world.
Xanthomonas campestris-it causes black rot in crucifers by darkening their blood vascular tissue. It is in an aerobic, gram-negative, and rod-shaped bacteria. About 20 different species have been identified pause distinctive pathogenicity in plants including crops and wild plants.
Agrobacterium tumefaciens- it causes the crown gall disease in over 140 species of eudicots. It is also a gram-negative and rod-shaped soil bacteria.
So, the correct answer is, “Rhizobium leguminosarum”.
Note: -According to the legume species rhizobia classified and this concept is known as cross inoculation groups.
-For the effective biological nitrogen fixation legume should be properly inaugurated with the correct rhizobium.
-The plant species and the environmental factors mostly affect the introduced rhizobium in the soil. Thus, rhizobium affects the result of inoculation.
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