Survival of Erwinia chrysanthemi pv. zeae in soil
1991
Vanida Titatarn | Suthipong Yanwaree | Sunettra Phawichit (Department of Agriculture, Bangkok (Thailand). Plant Pathology Div.)
Survivial of Erwinia chrysanthemi pv. zeae, which causes corn stalk rot disease, was studied in the field at Thamung, Kanchanaburi Province. In a RCB experiment with 5 treatments and 4 replications, chopped infected corn stem was mixed in the soil at different levels; in top soil and at 10, 20 and 30 cm depth. Chopped infected corn stem was mixed in the soil at different levels; in top soil and at 10, 20 and 30 cm depth. Chopped healthy corn stems mixed with soil served as control. The soil was sampled every 2 weeks after planting. The survival period of the disease was up to 6 weeks and survival tended to be the highest at 2 weeks after being buried at 20 cm depth.
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