Bacillus (shape) Bacillus (shape) A bacillus (plural bacilli) or bacilliform bacterium is a rod-shaped bacterium or archaeon. Bacilli are found in many different taxonomic groups of bacteria. However, the name "Bacillus", capitalized and italicized, refers to a specific genus of bacteria. The name Bacilli, capitalized but not italicized, can also refer to a less specific taxonomic group of bacteria that includes two orders, one of which contains the genus "Bacillus". When the word is formatted with lowercase and not italicized, 'bacillus', it will most likely be referring to shape and not to the genus at all. Bacilliform bacteria are also often simply
Rice tungro bacilliform virus chlorotic specks on younger leaves. On the other hand, the 'M'strain produces only mottling. Tungro affected rice plants are stunted and have reduced number of tillers. The young emerging leaves develop interveinal chlorosis leading to discoloration of the leaves, starting from tip downwards. Often whole leaf is discolored, plants infected at an early stage generally die prematurely. Infected plants take more time for maturity because of delayed flowering. The panicles are often poorly developed and the grains are also often covered with dark brown blotches and are lighter than those of healthy plants. Rice tungro bacilliform virus Rice tungro bacilliform