Microbes in Agriculture

Question 1

what are the benefits of microbes in agriculture?

Answer 1

• rhizobiaceae - nitrogen fixation

- bacteria and fungi - bioremediation and phytoremediation, plant growth promotion and disease resistance

Question 2

what pathogen destroys potato crops?

Answer 2

Phytophthora infestans

Question 3

what is a major fungal pathogen of rice?

Answer 3

magnaportha oryzae

Question 4

what is a gram positive plant pathogen?

Answer 4

strep scabies

Question 5

what is a gram negative plant pathogen?

Answer 5

xan oryzae

Question 6

how do rhizobacteria promote plant growth?

Answer 6

• The production of plant hormones such as IAA (indole acetic acid)
• Increasing the availability of nutrients to the plants P, S, N
• Restriction of the action of pathogens

Question 7

how do bacteria induce systemic resistance to plants?

Answer 7

Bacterial application to plant roots confers resistance to a range of pathogens subsequently applied to the leaves
Fluorescent pseudomonas primes plant to quicken immune response to fungi, oomycetes, bacteria