Year 2020
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Item OKRA PRODUCTION IN THE FISH POND THROUGH THE APPLICATION OF GIBBERELLIC ACID AND VERMICOMPOST(DEPARTMENT OF HORTICULTURE, 2020) RASHID, MD. MAMUNURThe experiment was conducted in the fish pond through determine the effect of gibberellic acid and vermicompost on okra production during July to October 2019 at the fish pond near Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka. The experiment was consisted of two factors; Factor A: GA3viz. (i) Go; 0 ppm GA3 (control) and (ii) GI; 100 ppm GA3 and Factor B: Vermicompost viz. (i) Yo; 0% vermicompost + 90% coco peat + 10% broken bricks + dissolved nutrients of fish pond water (control), (ii) VI; 20% vermicompost +70% coco peat + 10% broken bricks + dissolved nutrients of fish pond water and (iii) V2; 40%vermicompost + 50% coco peat + 10% broken bricks + dissolved nutrients of fish pond water. The experiment was laid out in Completely Randomized Design (CRD). In terms of GA3 application, the highest fruit yield (405.66"g plant") was found from GI whereas the lowest fruit yield (336.03 g plant") was found from Go. Regarding vermicompost, V2 showed higher growth and yield attributes which resulted the highest fruit yield (421.00 g plant") whereas the lowest fruit yield (303.80 g plant") was found from Yo. Considering interaction effect, GJV2 showed highest fruit yield (470.10 g plant") whereas the lowest fruit yield (290.60 g plant") was found from GoVo. So, the treatment combination of GIV2 can be treated as the best among all the treatment combinations.Item HYDROPONIC ROCKMELON CULTURE AS INFLUENCED BYDIFFERENT STRENGTH OF NUTRIENT SOLUTION(DEPARTMENT OF HORTICULTURE, 2020) YASMIN, SABINACrop specific nutrient solution is important for higher yield in hydroponic system. Therefore the experiment was conducted at the Hydroponic Farm of the Horticulture farm is Sher-e-Bangla Agricultural University, Dhaka, Bangladesh to identify suitable strength of nutrient solution to get higher yield in Bangladesh. Two factors were used as treatments in this experiment viz, variety and nutrient solution. Three varieties, viz. V 1 = Action-434, V ii 2 = Madhurima, V 3 = F -Hybrid and three nutrient solutions viz. S 1 1 =Full strength Rahman and Inden (2012) nutrient solution, S = 3/4 strength Rahman and Inden (2012) nutrient solution, S = Full strength of Hoagland and Arnon (1940) nutrient solution were used in this experiment .The experiment was conducted in a completely randomized block design with three replications. Different strength of nutrient solution and different variety of rockmelon showed significant variation in most of the parameters studied. The highest plant height (7.68, 25.60, 37.78, and 54.11 cm) the maximum number of leaves/plant (9.16, 23.91, 31.10 and 50.12), the maximum number of shoots per plant (4.51, 3.56 and4.39), the maximum number of fruit/plant (4.99), individual fruit weight (1537gm), fruit length (14.78), fruit diameter (52.88cm) and yield per plant (2.48 kg) were found the highest in S 2 3 . And also all the parameters were found the highest in V 2 . But all the parameters were drastically reduced when S treatment was applied and also reduced V 1 1 . For combined effects, all the parameters were found the highest in V 2 S 2. Meanwhile all the parameters were reduced V 1 S 1 . Therefore, S nutrient solution can be used for rockmelon cv. Madhurima (V ) in soilless system in Bangladesh.Item EFFECT OF GROWING MEDIA AND WATERING FREQUENCIES ON GROWTH, YIELD AND QUALITY OF CARROT(DEPARTMENT OF HORTICULTURE, 2020) AKTER, SARMINA pot experiment was conducted at the central farm of the Sher-e-Bangla Agricultural University, Dhaka during December 2018 to March, 2019. This study aimed to evaluate the effect of growing media and watering frequencies on the growth, yield and quality attributes of carrot. The experiment consisted of two factors: Factor A: four growing media, viz., M 1 -cocopeat, M 2 - sawdust, M 3 - rice husk, M 4 - equal mixture of cocopeat, sawdust and rice husk and Factor B: different watering frequencies viz., W 1 - one day interval @ 200 ml, W 2 - two days interval @ 300 ml, W 3 - three days interval @ 400 ml, W 4 - four days interval @ 500 ml. There were 16 (4×4) treatments combination. The experiment was laid out in randomized complete block design with four replications. The experimental results showed maximum parameters were significantly influenced by different growing media and watering level. For growing media, the highest plant height (47.17 cm) at 100 DAS, number of leaves (12.31) at 100 DAS, length of root (12.25 cm), root diameter (20.25 mm), fresh weight of root (54.85 g), dry matter content of leaves (17.79 %), brix (10.57 %), β- carotene (9098.1 μg/100g) and moisture (86.01%) was obtained from M 1 and the lowest from M 4 . For watering level, the maximum plant height (53.92 cm) at 100 DAS, number of leaves (12.98), at 100 DAS, length of root (12.06 cm), root diameter (21.50 mm), fresh weight of root (55.83 g), brix (10.20%), β- carotene (9347.9 μg/100g) and moisture (86.59%) was recorded from W 2 and the lowest from W3. For combined effect, the maximum plant height (56.51 cm) at 100 DAS, number of leaves (13.46) at 100 DAS, length of root (13.52 cm), root diameter (23.81 mm), fresh weight of root (67.42 g), brix (11.20%), β- carotene (9884.4 μg/100g) and moisture (87.11%) was obtained from M 1 W 2 and the minimum from M 4 W 3 . So it might be concluded that the M 1 W 2 was found the best performed for high growth, yield and quality of carrot.Item EFFECT OF NITROBENZENE CONCENTRATIONS WITH APPLICATION METHODS ON PLANT GROWTH AND YIELD OF CUCUMBER(DEPARTMENT OF HORTICULTURE, 2020) TANIA, MST. MARIUMA field experiment was conducted in the Horticulture Farm of Sher-e Bangla Agricultural University, Dhaka, Bangladesh during October 2019 to March 2020 to study the effects of nitrobenzene on plant growth, flowering, fruit setting and yield of cucumber. The experiment was laid out in Randomized Complete Block Design (RCBD) with three replications. It was consisted with two factors viz. i. Concentrations of Nitrobenzene (F 0 = control, F 1 = Nitrobenzene @ 500ppm, F 2 = Nitrobenzene @ 600ppm, F 3 = Nitrobenzene @ 700ppm), ii. Application Methods (T 1 = Foliar Application, T 2 = Soil Application, T 3 = Combined i.e. Foliar + Soil Application). A statistically significant variation was recorded in terms of all the characters related to growth and yield of cucumber. Maximum vine length (175.65 cm) at harvest was found in F 2 treatment and minimum (124.44 cm) was found in F 0 treatment. Nitrobenzene concentration of 600ppm showed better vine growth than concentration of 500ppm and 700ppm. However, the maximum number of leaves (71.36), branches (12.02), female flower (25.61), fruit per plant (18.22), fruit weight (169.09 g) and yield (34.43 t/ha) were recorded from F 2 and F 3 treatment. The minimum values of the same parameters were observed in F 0 treatment or control. The minimum yield (14.71 Kg/plot) was found in T 2 and maximum yield (16.16 Kg/plot) was found in T 3 treatment. In the combination of nitrobenzene concentration and application method, the maximum yield (36.90 t/ha) was found in F 2 treatment and lowest yield (19.90 t/ha) was recorded in F 0 T 3 treatment. The second highest (35.49 t/ha) yield was obtained from F 3 T 3 treatment. The highest benefit cost ratio (2.632) was attained from the treatment combination of F 2 T 3 (nitrobenzene @ 600ppm with combined application) treated plants.Item EFFECT OF SUBSTRATES ON OYSTER MUSHROOM PRODUCTION(DEPARTMENT OF HORTICULTURE, 2020) ASHA, ISMOTARAThe experiment was conducted at the Mushroom Development Institute (MDI), Savar, Dhaka, during the period from October 2019 to February 2020 to find out the effect of substrates on oyster mushroom production. The experiment consisted of two substrates viz. S 1 (Straw substrate) and S 2 (Sawdust substrate) and seven varieties, viz. V 1 (PO2), V 2 (POP), V 3 (WS), V 4 (PO10), V 5 ii (Oyster big), V 6 (PSC) and V 7 (HK-51). The experiment was laid out in Completely Randomized Design (CRD) with three replications. In case of substrate performance, the highest number of fruiting body packet -1 (4.91), effective fruiting body packet -1 (2.89), total biological yield (146.63 g), economic yield (142.40) and biological efficiency (73.31) were observed from S 1 (Straw substrate) compared to S 2 (Sawdust substrate). Similarly, in case of variety, V 1 (PO2) gave the highest number of fruiting body packet -1 (9.00), effective fruiting body packet -1 (4.30), total biological yield (212.00 g), economic yield (206.60) and biological efficiency (106.00) compared to other varieties. Regarding combined effect of substrate and variety, S 1 V 1 gave the highest total number of fruiting body packet (10.00), number of effective fruiting body packet -1 (5.20), total biological yield (215.60 g), economic yield (209.80) and biological efficiency (107.80) compared to other treatment combinations. So, this treatment combination (S 1 can be considered as best compared to other treatment combinations and can be considered for commercial cultivation.Item EFFECT OF BORON AND MOLYBDENUM ON GROWTH AND YIELD OF BROCCOLI(DEPARTMENT OF HORTICULTURE, 2020) RAHMAN, MD. ALTABURAn experiment was conducted at Horticulture Farm of Sher-e-Bangla Agricultural University, Dhaka during October 2019 to February 2020 to study the effect of boron and molybdenum on growth and yield of broccoli. The experiment comprising of two factors, factor A: four levels of boron [B0=0kg/ha, B1=0.6kg/ha, B2=1.2kg/ha and B3=1.8 kg/ha] and factor B: four levels of molybdenum [M0=0kg/ha, M1=0.4kg/ha, M2=0.8kg/ha and M3=1.2 kg/ha]. The experiment was laid out in Randomized Complete Block Design with three replications. The significant differences were found in growth and yield contributing traits. Most of the parameters such as no. of leaves, leaf breadth, root length, main curd diameter and main curd weight were significantly influenced by the different boron and molybdenum dose. The highest yield (16.70t/ha) was found in the treatment B2 and the lowest (10.65 t/ha) from the treatment B0 and in case of molybdenum, the highest yield (16.09 t/ha) was recorded in M2 and the lowest yield (12.21 t/ha) recorded in M0. For combined effect highest yield (20.55 t/ha) was found from B2M2 and lowest (8.98 t/ha) was obtained from B0M0. The highest benefit cost ratio (2.65) was found in B2M2. So, the successful production of broccoli was found in combined application of 1.2 kg boron with 0.8 kg molybdenum per hectare.Item INFLUENCE OF THIOUREA CONCENTRATIONS AND APPLICATION FREQUENCY ON GROWTH AND YIELD OF LIGHT PINK LISIANTHUS(DEPARTMENT OF HORTICULTURE, 2020) MALIHA, MAISHAAn experiment was accomplished in the Horticulture farm Sher-e-Bangla Agricultural University, Dhaka during the period from November 2018- May 2019 to study the influence of thiourea concentrations and application frequency on growth and yield of light pink lisianthus (Eustoma grandiflorum). Thiourea concentrations viz., C 1 : 500 ppm, C 2 :1000 ppm, C 3 :1500 ppm and application frequency, T 0 : Control: No thiourea application, T 1 II : single application, T 2 : twice application were used in this experiment arranged in a Randomized Complete Block Design with three replications. Data on growth, physiology, yield and quality attributes parameters were taken in which all the treatments showed significant variations. Among thiourea concentrations, maximum plant height (59.6 cm), stem number/plant (4.4), flower/plant (26.6), maximum chlorophyll content (56.6), flower head diameter (6.3 cm), yield/plot (793.2) were recorded from C 3 and for application frequency, the longest Stem (47.3 cm), peduncle length (12.7 cm), maximum stem diameter (4.3 mm), flower per plot (898.3) in twice application (T 2 ). Furthermore maximum flower yield per plant (37.3) and yield per plot (1116.7) were found in C 3 T 2 and minimum yield per plant (10.3), yield per plot (309.7) in C 0 T 0 . In view of overall observations, twice application of thiourea at 1500 ppm concentrations had showed the best result and would be the potential for increasing the lisianthus flower production.Item EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON GROWTH AND YIELD OF CUCUMBER (Cucumis sativus L.) IN WINTER SEASON(DEPARTMENT OF HORTICULTURE, 2020) MALO, KAKONThe experiment was conducted in the Horticultural Farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh to investigate the effect of integrated nutrient management on growth and yield of Cucumber in winter season during the period of October 2019 to March 2020. The experiment consisted of single factor. The experiment was conducted in randomized complete block design (RCBD) Using thirteen treatments and replicated three times. The treatments used were T 0 =Absolute control, T 1 = N 75kg/ha P 60kg/ha K 50kg/ha (RDF 50%), T 2 = N 75kg/ha P 60kg/ha K 50kg/ha (RDF 50%) + Vermicompost (3ton/ha), T 3 =N 75kg/ha P 60kg/ha K 50kg/ha (RDF 50%) + Vermicompost (3t/ha) + Bio-fertilizer (67 kg/ha), T 4 =N 75kg/ha P 60kg/ha K 50kg/ha (RDF 50%) + Vermicompost (3t/ha)+ Bio-fertilizer (67 kg/ha) + Neem oil cake (40 kg/ha), T 5 = N 112.5kg/ha P 90kg/ha K 75kg/ha (RDF 75%), T 6 =N 112.5kg/ha P 90kg/ha K 75kg/ha (RDF 75%) + Vermicompost (3t/ha), T 7 = N 112.5kg/ha P 90kg/ha K 75kg/ha (RDF 75%) + Vermicompost (3t/ha) + Bio-fertilizer (67 kg/ha), T 8 = N 112.5kg/ha P 90kg/ha K 75kg/ha (75%) + Vermicompost (3t/ha) + Bio-fertilizer (67 kg/ha) + Neem oil cake (40 kg/ha), T 9 = N 150kg/ha K 100kg/ha (RDF 100%), T 10 = N 150kg/ha P 120kg/ha K 100kg/ha (RDF 100%) + Vermicompost (3t/ha), T 11 = N 150kg/ha P 120kg/ha K 100kg/ha (RDF 100%) + Vermicompost (3t/ha) + Biofertilizer (67 kg/ha) and T 12 = N 150kg/ha P 120kg/ha K 100kg/ha (RDF 100%) + Vermicompost (3t/ha)+ Bio-fertilizer (67 kg/ha) + Neem oil cake (40 kg/ha). In this study different treatments showed significant variations on most of the parameters. The highest number of fruits per plant (17.0), individual fruit weight (181.67g) and fruit yield (34.32 t/ha) was recorded from T 12 .Whereas the lowest number of fruits per plant (8.51), individual fruit weight (120.62 g) and fruit yield (11.44 ton/ha) was recorded from treatment T 0 (control). The results revealed that there were significant difference between the application of nutrients and bio-fertilizers for yield and yield component traits. So, the economic analysis revealed that the maximum benefit cost ratio (3.03) was noted from T 12 and the lowest (1.50) from T 0 P 120kg/ha treatment.Item PERFORMANCE OF MAIZE STRAW AS SUBSTRATES FOR OYSTER MUSHROOM CULTIVATION(DEPARTMENT OF HORTICULTURE, 2020) BEGUM, MOST. ATIKAAn experiment was carried out at the Tissue Culture Laboratory and Culture House of Mushroom Development Institute, Savar, Dhaka, during the period from July 2019 to December 2019 to find out the performance of different amount of maize straw substrates on the growth and yield of oyster mushroom. The experiment consisted of three varieties, viz. V 1 (Pleurotus djamor), V 2 (Pleurotus florida) and V 3 (Pleurotus ostreatus) and five different amount of maize straw substrates with 10% mother culture such as T 1 = 500g per packet, T 2 = 750 g per packet, T 3 = 1000 g per packet, T 4 = 1500 g per packet and T 5 = 2000 g per packet. The experiment was laid out in Completely Randomized Design (CRD) with four replications. Significant variation was found in all parameter due to the effect of different amount of maize straw substrates. The highest number of fruiting body (19.00), number of effective fruiting body (12.08) and highest yield (128.67g) were recorded in T 3 treatment. On the other hand, variety of mushroom showed influence on all parameter. The maximum yield (92.60 g), the highest number of fruiting body (17.80), number of effective fruiting body (11.10) were observed in V 2 variety. The combination between different variety of oyster mushroom and different amount of maize straw substrates was found significant variation on the yield. The maximum yield (164.75g) was produced by V 2 T 3 treatment and the minimum yield (49.75g) was produced by V 1 T 1 which followed by V 1 T 5 treatment.Item EFFECT OF MALE FLOWER PRUNING AND DIFFERENT DOSES OF NITROGEN ON GROWTH AND YIELD OF SQUASH (Cucurbita pepo L.)(DEPARTMENT OF HORTICULTURE, 2020) MATIN, MD. ABDULA field experiment was carried out at the Horticulture Farm of Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207 to study the effect of male flower pruning and different doses of nitrogen on growth and yield of squash (Cucurbita pepo L.) during the period from December 2019 to March 2020. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Three male flower pruning treatments viz., P 0 = Control (No pruning), P 1 = Male flower pruning at 25 DAT and P 2 = Male flower pruning at 35 DAT and three nitrogen levels viz., N 0 = Control (No nitrogen), N 1 = 45 kg N ha = 90 kg N ha -1 were considered for the present study. Different male flower pruning treatments and nitrogen doses and also their combinations showed significant influence on growth, yield contributing parameters and yield of squash. Considering pruning treatments, P 2 gave highest number of fruits plant -1 (3.93), single fruit weight (576.70 g), fruit weight plant -1 (2.28 kg) and fruit yield (25.36 t ha -1 ) whereas, the lowest number of fruits plant -1 (3.69), single fruit weight (526.00 g), fruit weight plant (1.96 kg) and fruit yield (21.79 t ha -1 ) were recorded from control treatment P 0 . Similarly, regarding N treatments, the highest number of fruits plant -1 (4.12), single fruit weight (620.70 g), fruit weight plant -1 (2.56 kg) and fruit yield (28.49 t ha -1 -1 ) were recorded from the treatment N 2 whereas, control treatment N 0 showed lowest number of fruits plant -1 (3.46), single fruit weight (474.90 g), fruit weight plant -1 (1.64 kg) and fruit yield (18.26 t ha -1 ). Treatment combination of male flower pruning and nitrogen application, P 2 N 2 gave the highest number of fruits plant -1 (4.26), single fruit weight (648.20 g), fruit weight plant -1 (2.76 kg) and fruit yield (30.70 t ha -1 ) was found from the treatment combination of whereas the lowest number of fruits plant (3.32), single fruit weight (451.60 g), fruit weight plant -1 and N 2 -1 (1.50 kg) and fruit yield (16.68 t ha ) was found from P 0 N 0 . So, it can be concluded that the treatment combination of P 2 (male flower pruning at 35 DAT with 90 kg N ha -1 ) have significant positive effect on growth and yield of squash and this treatment combination can be considered as the best compared to all other treatment combinations.