MLO and spiroplasma are mostly
A. Xylem inhibiting
B. Phloem inhibiting
C. Both A and B
D. Stomata inhibiting
Answer: Option B
Solution(By Examveda Team)
MLO and spiroplasma are mostly Phloem inhibiting.A large group of plant-pathogenic, phloem-inhibiting bacteria was discovered by Japanese scientists in 1967. They are transmitted from plant to plant by phloem-feeding insect hosts and cause a variety of symptoms and considerable damage.
The spiroplasmas are mollicutes characterized by motility and helical morphology. They were discovered through studies on corn stunt and citrus stubborn diseases.
Mycoplasma-like organisms are generally considered to be somewhere between bacteria and viruses in size, shape and function.
Related Questions on Plant Pathology
Which photosynthetic bacteria possess both PS I and PS II?
A. Purple sulphur bacteria
B. Cyanobacteria
C. Purple nonsulphur bacteria
D. Green sulphur bacteria
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