تاثير تلفيق هرس و دو تركيب باتري كش در كنترل بيماري شانكرباكتريايي مركبات جنوب ايران در شرايط باغ

Effects of Two Antibactericidal Chemicals and Pruning on Control of Citrus Bacterial Canker Disease in Garden in South of Iran

Two bactereidal chemicals including copperoxychloride in three concentrations (3000, 1500 and 1000 ppm) and bordeaux mixture in three concentrations (1%, 0.75% and 0.50%) separately and in combination with pruning application were evaluated on Citrus aurantifolia for control of citrus bacterial canker disease in two Citrus aurantifolia orchards in Kahnoj and Jiroft. Two compounds were applied in three different times in the growing season, winter, budding stage and after petal fall. Complete randomized block design and four replicates per treatment were applied and SAS software used for data analysis. Results showed that in general and under equal condition, bordeaux mixture was more effective than copperoxychloride for control of citrus bacterial canker disease. Best control of disease was resulted from application of bordeaux mixture in three stages including 1% in winter, 0.75% in budding stage and 0.5% after petal fall.