Abstract:
An experiment was undertaken in the Department of Genetics and Plant Breeding,
SAU, Dhaka, to select salt-tolerant okra genotype during August 2022 to April 2023.
Salt experiment with eight okra genotypes treated with T
0
ds/m) and T
3
ix
(control), T
1
(3 ds/m), T
2
(9 ds/m) salt folding CRD design. Genotype stress relationship was
assessed using agromorphogenic and physiological characteristics. T
0
and T
0
V
7
V
1
(35.00 days) had the shortest initial blooming times while longest time taken
for first flowering was found in T
3
whereas T
0
longest in T
3
In T
0
T
3
V
8
V
1
, T
0
, T
3
V
4
V
1
, T
0
V
4
V
5
V
5
, T
0
and T
3
, T
0
V
6
and T
3
V
7
V
2
, T
0
V
3
(20.0g) was recorded in T
0
, T
1
V
1
V
4
(43 days). T
1
and T
1
V
5
V
6
(6
(35.00 days)
took 48 days to blossom 50%,
took 41 days. First fruit setting took the
(46.00 days) and the quickest in T
0
V
7
and T
0
V
8
V
1
and T
0
V
5
(38.00 days).
the highest fruit number (9.00) per plant whereas
had the lowest (3.00). The maximum individual fruit weight
V
2
and T
0
V
3
The maximum fruit length was 13.63 cm in T
0
The lowest fruit diameter (14.32 mm) was in T
3
in T
0
V
2
, T
0
V
3
18.00 gm in T
3
, T
0
V
5
V
4
while the lowest was 6.67g in T
3
V
3
V
5
and T
3
and the lowest was 8.03 cm in T
3
V
5
, while the biggest (20.69 mm) was
. Maximum yield per plant was 158 gm in T
0
V
2
V
7
V
4
and lowest was
. When salinity and okra genotypes interact, physiological traits vary.
The SPAD value was greatest in T
0
experiment results showed that V
6
V
4
(55.33) and lowest in T
3
V
7
(29.58). Salinity
(OK 285 Okra) responded well under T
2
treatment, suggesting suitable for mild to moderate saline prone areas. V
8
and V
3
(Hira) worked well in T
2
prone areas.
Description:
A Thesis
Submitted to the Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka,
in partial fulfilment of the requirements
for the degree of
MASTER OF SCIENCE
IN
GENETICS AND PLANT BREEDING