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ENHANCEMENT OF GERMINATION, SEEDLING GROWTH, WATER RELATION BEHAVIOR OF WHEAT THROUGH OSMO AND HYDRO PRIMING UNDER DROUGHT STRESS CONDITION
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Submitted to the Department of Agronomy, Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka in partial
fulfillment of the requirement for the degree of
MASTER OF SCIENCE (MS)
IN
AGRONOMYA laboratory experiment was carried out at the central laboratory of Sher-e-Bangla
Agricultural University Dhaka-1207 during the period from December 2019 to
February 2020 to find out the effect of various Mannitol concentrations on the
germination, seedling growth and water relation behavior of wheat under drought
stress condition. This study consisted of two different experiments. Mannitol was
used as priming agent and PEG (Polyethylene glycol) was used for inducing drought
stress. Ethanol was used as surface sterilizer of wheat seeds. The data on different
parameters were recorded for analysis the result of this experiment. For the first
experiment four levels of mannitol such as 1%, 2%, 3% and 4% were used for
osmopriming and water was used for hydropriming. Seeds primed with 2% mannitol
gave the best results on studied parameters. Results revealed that the seed primed with
2% Mannitol for 9 hours showed the highest germination rate (98%), shoot length
(162.3 mm), root length (183.3mm), shoot dry weight (12.2 mg), root dry weight
(13.5 mg), fresh weight (354.0 mg), water saturation deficit (29.75), relative water
content (70.25%) and vigor index (338.69). Seeds without osmo priming and
hydropriming showed lowest results in studied parameters. In the second experiment,
2% mannitol primed (9 hours) seeds of wheat with and without drought (PEG) stress
condition was evaluated. The drought stress level was induced by 0%, 5%, 10%, 15%
and 20% PEG solution. It was observed that the genotype BARI Gom 31 primed with
2% mannitol for 9 hours seeds placed without drought (control) gave the best
performance on studied parameters but under drought stress, the highest germination
rate, shoot length, root length, shoot dry weight and root dry weight, fresh weight,
relative water content and vigor index were achieved from primed seeds placed on 5%
PEG where primed seeds placed on 20% PEG induced drought condition showed
lowest results in respected parameters. From the result of the study, it was revealed
that seeds primed with 2% mannitol for 9 hours showed the best results compared
with water primed and non-primed seed under drought stress condition
GROWTH AND YIELD OF SAU SHADA BHUTTA-3 UNDER DIFFERENT SPACING AND IRRIGATION FREQUENCY IN RABI SEASON
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Submitted to the Department of Agronomy, Faculty of Agriculture,
Sher-e-Bangla Agricultural University, Dhaka in partial
fulfillment of the requirement for the degree of
MASTER OF SCIENCE (MS)
IN
AGRONOMYAn experiment was conducted at Sher-e-Bangla Agricultural University farm, Dhaka
to investigate the effect of different spacing and irrigation frequency on the growth and
yield response of Shada bhutta-3 during October-2019 to February-2020. The
experiment was consisted of two factors. Factor A: Irrigation frequencies (3) viz ; I
1
:
Irrigation at 30 days interval, I
2
: Irrigation at 35 days interval and I
3
: Irrigation at 40
days interval and Factor B: Different spacings (4) viz ; S
1
ii
: 40 cm × 20 cm, S
2
: 40 cm
× 25 cm, S
3
: 50 cm × 20 cm and S
4
: 50 cm × 25 cm. The experiment was laid out in
split plot design with three replications. Results indicated that irrigation frequency,
different spacing and their combination had significant effect on growth, yield and yield
contributing characters of Shada bhutta-3. In case of irrigation frequencies the
maximum cob length plant
-1
(17.26 cm), cob circumference plant
-1
(14.94 cm), grain
weight cob
-1
(90.44 g) and grain yield (9.04 t ha
-1
) were observed in I
1
treatment. At
different spacing the maximum cob length plant
1
(15.44 cm), number of rows cob
-1
-1
(17.26 cm), cob circumference plant
(14.52), number of grains row
-1
(28.40), and 1000
grains weight (396.67 g) were observed in S
4
treatment. The maximum grain yield (9.37
t ha
-1
) was observed in S
1
treatment. In case of combination, maximum grain yield (9.54
t ha
-1
) was observed in I
1
S
1
(I
1
: 30 days irrigation interval along with spacing S
1
:40 ×
20 cm) treatment combination whereas minimum grain yield (7.45 t ha
) was observed
in I
3
S
4
treatment combinatio
EFFECT OF ORGANIC AND INORGANIC FERTILIZER APPLICATION ON RICE PRODUCTION (BRRI dhan29)
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Submitted to the Department of Soil Science
Sher-e-Bangla Agricultural University, Dhaka
in partial fulfilment of the requirements
for the degree of
MASTER OF SCIENCE (MS)
IN
SOIL SCIENCEThe experiment was conducted at Sher-e-Bangla Agricultural University, Dhaka-1207
during the period from December 2020 to May 2021 to examine the effect of organic
and inorganic fertilizer application on rice production (BRRI dhan29). The
experiment consisted of eight treatments viz. T
ii
0
(control; no nutrient application), T
(100% RDCF: N
120
P
20
K
40
S
20
Zn
2.5
kg ha
-1
), T
2
(100% cowdung - 10 t ha
(100%
poultry manure - 5 t ha
-1
), T
4
(50% RDCF + 50% cowdung),
T
(50% RDCF + 50%
poultry manure), T
6
(25% RDCF + 75% cowdung) and T
7
5
(25% RDCF + 75% poultry
manure). The experiment was laid out in Randomized Complete Block Design
(RCBD) with three replications. Results showed that a significant variation among the
treatments was found while different nutrient levels (organic and inorganic) applied in
different combinations. The treatment T
1
(100% RDCF: N
120
P
20
K
40
S
)
exhibited the highest plant height at 60, 90 DAT and at harvest (83.73, 95.87 and
94.37 cm, respectively) while the treatment T
(50% RDCF + 50% cowdung) showed
the highest number of tillers hill
-1
4
(13.13, 15.33 and 17.73, respectively) whereas
control treatment T
(no nutrient application) showed the minimum results. Again, the
treatment T
4
0
(50% RDCF + 50% cowdung) showed the highest number of effective
tillers hill
-1
(16.33), flag leaf length (24.28 cm), number of filled grains panicle
(165.40), panicle length (25.94 cm), 1000 seed weight (21.90 g), grain yield (7.66 t
ha
-1
), straw yield (8.96 t ha
-1
) and harvest index (46.09%) followed by T
(50% RDCF
+ 50% poultry manure) and T
(25% RDCF + 75% poultry manure) whereas the
control treatment T
0
7
(no nutrient application) performed the lowest results on the
respected parameters. In case of post harvest soil, different treatments of organic and
inorganic fertilizers combinations showed non-significant variation on particle
density, pH and organic carbon content but available P and S of post harvest soil
affected significantly. The treatment T
(50% RDCF + 50% cowdung) showed highest
P (23.42 ppm) and S (27.40 ppm) content of post harvest soil whereas the lowest P
and S content was obtained from control treatment T
4
(no nutrient application). So,
the treatment T
4
0
(50% RDCF + 50% cowdung) can be considered as very promising
treatment for rice production (BRRI dhan29) to obtain higher grain yield
EFFECT OF STEM PRUNING ON YIELD AND YIELD CONTRIBUTING CHARACTERS OF CHERRY TOMATO IN SOILLESS CULTURE
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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
HORTICULTUREA pot experiment was conducted in the semi-greenhouse at the Horticulture Farm of Sher-e- Bangla
Agricultural University, Dhaka 1207, Bangladesh, during October 2019 to March 2020 to investigate
the effect of stem pruning on yield and yield contributing characters of cherry tomato in soilless
culture
. The experiment consisted of three level of pruning viz. P
ii
0
= No pruning; P
= One stem
pruning and P
2
= Two stem pruning and four different cherry tomato varieties viz. V
= BARI
Tomato-11; V
2
= BARI Tomato-20; V
3
= Red Star and V
= SAU Tomato-2. There were 12
treatment
combinations and experiment were setup in Completely Randomized Design (CRD) with three
replications. In case of pruning, the highest plant height, maximum branch number per plant,
maximum chlorophyll content, minimum days required for first flowering and first fruiting,
maximum flower cluster per plant, maximum fruit number per plant, highest single fruit weight (9.31
4
g), highest amount of TSS (9.46 degrees Brix) and yield per plant (2.37
kg) were obtained from P
treatment at 60 DAT. Similarly, in case of varieties, the highest plant height
, maximum branch
number per plant, maximum chlorophyll content, minimum days required for first flowering and first
fruiting, maximum flower cluster per plant, maximum fruit number per plant, highest single fruit
weight (8.50 g), highest amount of TSS (8.92 degrees Brix) and yield
per plant (2.63 kg) were
obtained from V
treatment at 60 DAT. In combined effect, the highest plant height
, maximum
branch number per plant, maximum chlorophyll content, minimum days required for first flowering
and first fruiting, maximum flower cluster per plant, maximum fruit number per plant, highest single
2
fruit weight (12.42 g), highest amount of TSS (10.53 degrees Brix
) and yield per plant (2.98 kg) were
obtained from V
2
P
2
treatment. Among the treatment combination, V
2
P
(BARI Tomato-20 variety
with two stem pruning) treatment seemed to be
more promising for obtaining the maximum yield of
cherry tomato
GROWTH AND YIELD PERFORMANCE OF DIFFERENT TOMATO (Solanum lycopersicum L.) VARIETIES UNDER SALINITY
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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
AGROFORESTRY AND ENVIRONMENTAL SCIENCESalinity is a severe limiting factor for vegetable production. Therefore, a pot
experiment was conducted at Sher-e-Bangla Agricultural University, from November
2019 to April 2020 to evaluate the performance of different tomato varieties e.g.
BARI Tomato 2 (V1), BARI Tomato 15 (V2), and BARI Tomato 16 (V3) under
different level of salinity e.g. 0 mM (S0), 75 mM NaCl (S1) and 150 mM NaCl (S2)
in completely randomized design with three replications. The experiment revealed
significant negative influence of salinity which decreased plant height, leaf number,
branch number, chlorophyll content, growth rate, fresh and dry weight, fruit number
etc. resulting yield loss. Damaged by S2 salinity is more severe than the S1. In
normal condition V2 produced highest yield following V3 and V1. But severe salinity
stress reduced yield by 32.66%, 43.9% and 42.8% in V1, V2 and V3 respectively. So,
considering yield performance V1 variety is more tolerant to salinity than the other
tested variety
EFFECT OF INDUCED SALINITY STRESS ON GERMINATION AND ION ACCUMULATION OF COWPEA
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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
AGROFORESTRY AND ENVIRONMENTAL SCIENCESalinity is one of the most significant abiotic factors in arid and semi-arid areas of the
world. This study was conducted to assess the potential for salt tolerance of cowpea
genotypes during the germination and early vegetative growth. From the germination
test, twenty best performed genotypes were grown at 0, 4, 8 and 12 dS/m at
greenhouse of Bangladesh Agricultural Research Institute, Gazipur. The experiment
was laid out in two factors Complete Randomized Design with two replications.
Factor A was twenty cowpea genotypes and Factor B was four NaCl concentrations.
From the result, it was found that TVU-2398 and TVU-1330 showed the highest
SPAD value (53.1 and 53.62 SPAD unit). In the leaf, the highest Na
was found in
TVU-1330 (0.206%) and K
+
in TVU-2398 (0.24%) and TVU-1330 (0.242%). In case
of stem, the highest Na
+
was found in TVU-1330 (0.29%) and TVU-2398 (0.29%)
and K
+
in TVU-1330 (0.206%). So, the genotypes TVU-1330, TVU-2398 and TVU1059
were
performed
best
under
salinity
condition
than
other
genotypes
IMPROVEMENT OF YIELD AND SEED QUALITY OF SOYBEAN THROUGH INTEGRATED NUTRIENT MANAGEMENT
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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 (M.S.)
IN
SEED TECHNOLOGYThe experiment was conducted during October 2019 to April 2020 to improve yield
and seed quality of soybean through integrated nutrient management. The variety BARI
Soybean 5 was used as the test crop. In this experiment, the treatment consisted of
fourteen different levels of integrated nutrient management viz. T
= no chemical
fertilizer, no organic manure (control), T
2
= cow dung (10 t ha
-1
), T
= vermi compost (5
t ha
-1
), T
4
= recommended dose of fertilizer (RDF) ( Urea 50 kg ha
3
-1
1
,TSP 150 kg ha
,
MoP 100 kg ha
-1
, Gypsum 80 kg ha
-1
, Boron 8 kg ha
-1
) T
= trichoderma compost (2 t
ha
-1
), T
6
= biochar (10 t ha
-1
), T
7
= cowdung (10 t ha
-1
5
) +50% RDF,T
= cowdung(10 t
ha
-1
) + 75% RDF, T
9
= vermi compost (5 t ha
-1
) + 50% RDF, T
10
8
= vermi compost (5 t
ha
-1
) + 75% RDF, T
11
= trichoderma compost (2 t ha
-1
) + 50% RDF, T
= trichoderma
compost (2 t ha
-1
) + 75% RDF, T
13
= biochar (10 t ha
-1
)+ 50% RDF, T
= biochar (10 t
ha
-1
) + 75% RDF. The experiment was laid out in a Randomized Complete Block
Design (RCBD) with three replications. Different levels of integrated nutrient
management showed statistically significant variation on all parameters of soybean.
The tallest plant (37.3, 50.67, 52.53 and 52.93 cm at 30, 50, 70 days after sowing and at
harvest, respectively) was recorded from Biochar( 10 t ha
-1
)+50%RDF. The maximum
number of leaves plant
-1
, pod length (cm), number of pods plant
-1
12
14
, number of seeds
pod
-1
and thousand seed weight (g) as well as the highest seed yield (1333 kg ha
),
stover yield(181 kg ha
-1
), biological yield (1513 kg ha
-1
), was observed from Biochar(
10 t ha
-1
)+ 50% RDF. On the other hand, the lowest seed yield (639 kg ha
) was
observed from T
0
(control) treatment. The highest harvest index was recorded from T
(biochar 10 t ha
-1
) treatment . The highest germination 94.33% was obtained in T
(Biochar 10 t ha
-1
+ 50% RDF) treatment.. The highest germination index, coefficient of
velocity, energy of emergence, shoot length, root length, vigour index, viability was
recorded in T
13
(Biochar 10 t ha
-1
+ 50% RDF) treatment.. Therefore Biochar(10 t ha
)
+ 50% RDF may be possible to use in reducing inorganic fertilizer which will increase
seed quality with lower production cost without significant yield reduction of soybean
FOOD SECURITY STATUS OF FISHING HOUSHOLDS IN KISHOREGANJ
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Submitted to the Faculty of Agribusiness Management
in partial fulfilment of the requirement
For the degree of
MASTER OF SCIENCE
IN
AGRICULTURAL ECONOMICSFood security is mostly important for all the living people especially in the
rural or under developed area where people are not conscious about food and
nutrition. The study briefs out the existing issues of food security in haor area
of Nikli Upzila. The overall objectives of this study were to examine the
present socioeconomic status of the fishing household, which factors were
constraints for food security and identified the problems of accessing foods in
Nikli Upazila of Kishoreganj district. A total of 110 sample respondents were
interviewed by using simple random sampling techniques. Both descriptive
and inferential statistics were used to analyze the data. Socioeconomic status
and problems faced by the respondents were assessed by using descriptive
statistics and presented in tabular form. The extent of dietary diversity which
was used to assess the food security status was assessed using descriptive
statistics also. The factor determining the food security status of the small
scale fishing community at Nikli Upazila was assessed using binary logistic
regression analysis. After analyzing the respondent data, result showed that
the average family size of sample households was 5.32 and 69.09 % of the
survey respondents were found to have no education. Besides among the
respondents 59.09 % hold yearly income from BDT 160000-190000. After
analyzing, it was found majority of the expenditure spent on food items which
hold 55.3 % of total cost. The result showed that age of the respondent, food
expenditure, education, access to information having loan were significant
factors those affect food security status of the fishing households. Various
issues like climate change, population growth, increasing cost of food,
uncontrolled market etc. were found to be encountered by respondents in the
research region when attempting to obtain food. The respondents ranked the
increasing cost of food items as the most serious problem among the six
challenges. Therefore, it is highly needed to emphasis government support to
ensure the food security
CLYBIO CONCENTRATION ON GROWTH AND YIELD OF CABBAGE UNDER DIFFERENT COLORED SHADE NETS
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Submitted to the Department of Horticulture
Sher-e-Bangla Agricultural University, Dhaka; in partial
fulfillment of the requirements for the degree
of
MASTER OF SCIENCE (MS)
IN
HORTICULTUREThe experiment was conducted at the Horticulture farm of Sher-e-Bangla
Agricultural University, Dhaka to evaluate the growth and yield of cabbage as
influenced by two different factors such as factor-A: Colored shade nets viz.
without a net (N
0
), white net (N
W
), pink net (N
P
), and blue net (N
B
), and factor
B: Clybio concentration viz. no Clybio application (C
0
), Clybio concentration at
1000-fold (C
1000
), and Clybio concentration at 500-fold (C
500
). The experiment
was set up in Split Plot Design with three replications. Data on different growth,
physiological and yield parameters were taken in which all the treatments
showed significant variations. The use of white shade nets (Nw) provided with
better head length (16.0 cm), head diameter (55.7cm), single head weight (1.1
kg), and yield of 45.8 t/ha in comparison to other nets or no net use. Alongside,
the sole application of Clybio to cabbage as a 1000-fold liquid solution (C
1000
)
resulted in maximum single head weight (0.8 kg), and yield of 33.3 t/ha while
the maximum head length (14.8 cm) was from 500-fold Clybio solution (C
500
),
and head diameter was statistically insignificant between C
1000
.
Maximum yield per hectare (62.5 t) was found from N
W
C
1000
and minimum (20.8
t) was from N
0
C
0
. In consideration to the overall performances, white shade net
(N
W
) along with the application of 1000-fold Clybio solution (C
1000
) has the
potential for better cabbage production
PREVALENCE AND PROFILING OF ANTIBIOTIC SENSITIVITY OF A KEY PUBLIC HEALTH PLAYER ESCHERICHIA COLI FROM COMPANION ANIMAL IN DHAKA CITY
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Submitted to the Department of Medicine & Public Health
Sher-e-Bangla Agricultural University, Dhaka
In partial fulfillment of the requirements
for the degree of
MASTER OF SCIENCE (MS)
IN
MEDICINE
SEMESTER: JULY-DECEMBER 2019This study was conducted in order to isolate, identify and to profiling the status of
antibiotic sensitivity of the important public health organism Escherichia coli of
companion animal. A total of 30 fecal samples of cats and dogs were collected from two
different regions of Dhaka city, aseptically and inoculated onto various culture media for
isolation of E. coli. The microorganisms were isolated and identified by performing
cultural characteristics and biochemical tests. The study had been conducted based on
species, age, location and gender of host species. The prevalence of E. coli infection in
cat was 66.67% and in dog was 60.00%, respectively with same ratio of resistance in
male and female in dog whereas in cat female were more resistance than male. To
perform the disc diffusion method for profiling the antibiotic sensitivity, 10 commonly
used antibiotics were used. The highest rate of resistance was recorded in Metronidazole
(57.89%) and Amoxicillin (52.63%) followed by Co-trimoxazole (41.10%),
Ciprofloxacin (31.57%), Ceftriaxone (31.57%) and Azithromycin (26.31%). The highest
rate of sensitivity was recorded to Cefixime (52.63%) followed by Ciprofloxacin
(36.84%), Cefuroxime (36.84%) and Gentamicin (36.84%). Data from this study reveal
that companion animal like cat and dog carry multi-drug resistant E. coli sp. which can be
transferred to human and can cause a public health hazard