Abstract:
The experiment was conducted at Sher-e-Bangla Agricultural University, Dhaka1207,
during
the
period
from
November,
2014
to April, 2015
to
evaluate
the
effect
of
variety
and
vermicompost
on the
yield,
sugar
and
antioxidant
activity
of
potato
and
their
performance
under
ambient
storage condition.
The
experiment
consists
of two
factors,
i.e.,
factor
A:- Potato
varieties
(V4):
V
1
:BARI TPS-1, V
:BARI Alu-28
(Lady Rosetta),V
3
: BARI Alu-25 (Asterix)and V
4
2
:BARI Alu-29 (Courage);
factor B:-Vermicompost level (M-4):M
1
: 0 t/ha, M
2
: 2 t/ha, M
3
:4 t/ha and M
:
6 t/ha and
was laid out in a split-plot design with 3 replications. The present study
revealed that vermicompost had significant effect on most of the yield and quality
contributing parameters. Results demonstrated that yield and other parameters
increased with increasing vermicompost level. Among the sixteen treatment
combination, Asterix with vermicompost at the rate of 4 t/ha produced the maximum
yield (36.01 t/ha) but Asterix with vermicompost at the rate of 6t/ha showed the
highest specific gravity, dry matter, glucose, sucrose, ascorbic acid, antioxidant and
polyphenol content. These two combinations also showed little bit higher
concentration of glucose and sucrose compared to those of other combinations.In case
of ambient storage condition; dry matter, specific gravity, starch, polyphenol and
ascorbic acid decreased with increasing storing period while weight loss, total soluble
solid (TSS), glucose, sucrose and antioxidant content increased with increasing
storing period of up to 60 days. Lady Rosetta and Asterix may store under ambient
storage condition up to 60 DAS without imparting any significant quality losses just
prior to sprouting of tuber. It may be concluded that, the potato growers of
Bangladesh may apply vermicopmpost on their field at the rate of 6 t/ha for
maintaining better yield and good processing quality.
4
Description:
A Thesis
Submitted to the Institute of seed technology,
Sher-e-Bangla Agricultural University, Dhaka,
in partial fulfillment of the requirements
for the degree of
MASTER OF SCIENCE (MS)
IN
SEED TECHNOLOGY
SEMESTER: JULY-DECEMBER, 2015
