Abstract:
Experiments were conducted in the farm of Sher-e-Bangla Agricultural University
and in the Seed Health Laboratory, Department of Plant Pathology, Sher-e-Bangla
Agricultural University, Dhaka 1207 during the Rabi season from November 2011 to
March 2012 with a view to study on the seed yield loss assessment for purple blotch
complex of onion. The experiment was laid out in a Randomized Complete Block
Design
3
2
6
5
9
8
0
7
10
4
1
yield contributing characters of onion. The lowest
where 10 spraying were applied with Rovral 50 WP @ 0.2%. The highest PDI
indicates that each percent increase of disease severity decreased 0.56 % yield.
10
0
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: JANUARY-JUNE, 2013
