Bacterial populations associated with rice seed in the tropical environment.

ABSTRACT During the 1995 wet season, harvested rice seed was collected from farmers' fields at different locations in Iloilo, Philippines. Bacterial isolations from crushed seed yielded 428 isolates. The isolates were characterized by BOX-polymerase chain reaction fingerprinting of total genomic DNA and represented 151 fingerprint types (FPT).

Crown gall: economic importance and control.

Many plants of economic importance are possible hosts for Agrobacterium tumefaciens, the causal organism of the crown gall tumor disease. Damage has been reported on stone fruit (Australia), vineyard (Hungary, Bulgaria), lettuce (Brasil) ..