Abstract:
Effect of different weather parameters on canker development on seedlings of
citrus were studied during January, 2011 to December, 2012 in different citrus
growing nurseries of Bangladesh with an effort to develop suitable
management strategies for controlling citrus canker. Important bacterium
Xanthomonas axonopodis pv. citri was isolated from the canker infected part of
citrus seedlings and it’s morphological, biochemical and cultural features were
studied. The bacterium was gram negative, rod shaped and showed positive
results in KOH solubility test, starch hydrolysis test, catalase test, citrate
utilization test, motility indole urease agar recorded in the month of July at Khagrachari and the lowest incidence and
severity was recorded in the month of January at Dhaka. In vitro and field
evaluation of antibacterial chemicals indicated that Mancozeb
Description:
A Thesis
Submitted to the Faculty of Agriculture
Sher-e-Bangla Agricultural University, Dhaka,
in partial fulfillment of the requirements
for the degree of
MASTER OF SCIENCE
IN
PLANT PATHOLOGY
SEMESTER: JULY-DECEMBER, 2012
