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Does the adoption of homestead gardening increase dietary diversity in climate‑vulnerable coastal areas? Evidence from Bangladesh
No full textCoastal areas are not conducive to cultivating a variety of crops due to the
occurrence of natural disasters. Therefore, homestead gardening has the potential to
increase food production and consumption in coastal households, thereby enhancing
climate resilience. Adopting homestead gardening as an adaptation measure for
climate change can improve food security in climate-vulnerable areas. This study
identified factors associated with the adoption of homestead gardening and their
impacts on dietary diversity in coastal areas of Bangladesh. A total of 750 coastal
households were surveyed. To analyze the data, descriptive statistics, household
dietary diversity score, endogenous switching regression model, and propensity
score matching method were applied. According to the results, only 14.26% of
coastal households adopted homestead gardening. The likelihood of adoption
was increased by factors, such as age, spousal education, own cultivable land
size, salinity perception, and mobile phone ownership. Results of the endogenous
switching regression model indicated that the adopters of homestead gardens had
a 13-point greater mean probability of a higher household dietary diversity score
than the non-adopters. Results of the propensity score matching also showed a
nearly identical finding. A strong extension service that uses modern information
technology is required to disseminate homestead gardening technology in coastal
areas. Climate change awareness initiatives are recommended to raise households
cognizance on the negative effects of climate change, which in turn helps increase
the adoption of homestead gardening as an adaptation measure
Scientific note: First report of small hive beetle in South Asia and their potential invasive pathway
No full textAethina tumida Murray, also known as the Small Hive Beetle (SHB), is a well-known invasive kleptoparasite of honeybees (Hood 2004; Papach et al. 2023). Native to the sub-Saharan region of Africa, SHB has spread globally, including the other African regions (Mauritius, Reunion), the Americas (Canada, USA, Mexico, Jamaica, Cuba, Guatemala, El Salvador, Nicaragua, Brazil, Costa Rica, Colombia), Europe (Italy), Asia (China, South Korea, Philippines), and Australia (see Papach et al. 2023). While considered a minor pest in its native range, SHB more frequently causes signiicant damage to apiaries in invaded regions (Hood 2004; Roth et al 2022). Predominantly parasitic on European honeybees, Apis mellifera (Hood 2004; Roth et al 2022), its impact on the Eastern honeybee, Apis cerana, was unclear until recent veriications in the Philippines (Cervancia et al. 2016) and China ..
Prevalence of lumpy skin disease in cattle at Netrokona sadar in Bangladesh
No full textCattle farming is a significant contributor to the socio-economic development of Bangladesh. However, infectious diseases continuously challenge cattle farming, causing tremendous losses to farmers. Among the diseases, Lumpy Skin Disease (LSD) has become a major burden in recent years. This study was conducted to reveal the prevalence of LSD in cattle in Netrokona Sadar Upazila. Data were collected directly from the cattle farmers at Upazila Veterinary Hospital (UVH), by visiting farms, and retrospectively from the register book of UVH from November 2022 to October 2023. Of the total of 2511 observed cattle, the prevalence of LSD was the second highest (16.97%). We further investigated the prevalence of LSD according to age, sex, breed, season, vaccination status, nutrition, hygiene, and deworming. LSD was more prevalent in young (17.67%), females (18.25%), cross-breed (23.96%), and non-vaccinated (17.28%) cattle. A higher prevalence was also found in the summer (38.77%) than in other seasons. Furthermore, we found more prevalence in cattle provided with traditional diets (18.22%), in unhygienic management (17.33%), and non-dewormed (18.63%) cattle. The findings illustrated that sex, immunization status, season of the year, and diet were significantly (p<0.01) associated with the prevalence of LSD. The study will aid stakeholders in evaluating the current state of LSD in the area and developing effective control strategies against it. Res. Agric. Livest. Fish. Vol. 11, No. 2, August 2024: 137-14
Seed Yield and Quality of Wheat as Influenced by Different Agronomic Practices in South-Central Coastal Region (Aez-13) of Bangladesh
No full textA field study was carried out at Regional Agricultural Research Station, Rahmatpur, Barishal during Rabi 2019-2020 on wheat seed yield and quality influenced by different management practices. The experiment was comprised of two sowing dates with seven different agronomic management practices. The experiment was laid out in split plot design where sowing dates were assigned in main plot and different agronomic management practices in sub-plot with three replications. The results revealed that, optimum sowing condition (20th November) always maintain superiority over delayed sown condition (20th December) in respect of seed yield and quality. From agronomic management aspects strip tillage + recommended fertilizer doses+ 3 irrigations showed the best permormance in respect of seed yield (3.433 t/ha) and quality. From interaction effects of sowing date × agronomic management practices using strip tillage + recommended fertilizer doses+ 3 irrigations treatment with optimum sowing condition e.g. 20th November sowing condition performed the best in respect of seed yield (4.223 t/ha) and quality. Another two treatments (Strip tillage + recommended fertilizer dose + Boron foliar spray at anthesis (0.2%) + 2 irrigations (CRI, Booting) + Cowdung) and (Recommended fertilizer dose (NPKSMgZnB@ 120-30-90-15-6-2.6-1 kg/ha) + Boron foliar spray at anthesis (0.2%) + 3 irrigations (CRI, Booting, Grain filling) also produced statistically identical seed yield (4.15 and 4.01 t/ha, respectively). But considering economic point of view, (Recommended fertilizer dose + 0.2% boron foliar spray at anthesis + 3 irrigations) gave the highest BCR (2.46) and economic return. In late seeding condition (20th December) (strip tillage + recommended fertilizer doses+ 3 irrigations) treatment had performed the best in respect of seed yield (2.643 t/ha) and seed quality (germination 67.33%). J. Bio-Sci. 32(2): 01-12, 202
Effect of Bispyribac-Sodium and Spacing on The Weed Control and Performance of Aromatic Rice Varieties
No full textRice (Oryza sativa L.), a staple grain, serves as a fundamental dietary component for billions by providing carbohydrates, vitamins, and minerals, supporting livelihoods, and stimulating national economies. A field experiment was led from July to December 2019 at the Sher-e-Bangla Agricultural University’s agronomy field in Dhaka, Bangladesh, to determine how a post-emergent herbicide and spacing impacts aromatic rice varieties' growth, yield, and weed control. The investigation consisted of three factors, i.e., weed control treatments: weedy check (no weeding) and Bispyribac-sodium WP @ 150 g ha−1, aromatic rice varieties: Kalizira and BRRI dhan37 and spacing: 20 cm × 15 cm, 25 cm × 15 cm, 20 cm × 20 cm, and 25 cm × 25 cm in a split-split plot design with three replications. Thirteen dissimilar types of weeds invaded the experimental plots. Among them, Monochoria vaginalis was the most prevalent weed at 30 and 60 DAT (24.67 and 19.67 weed population m−2 and 15.24 and 13.02% relative weed density sequentially). Among all the factors, the application of Bispyribacsodium WP (W1), BRRI dhan47 (V2, grain yield 2.99 t ha−1) and 20 cm × 20 cm (S3, grain yield 2.87 t ha−1) spacing provided promising results. According to the findings, BRRI dhan37 planted at 20 cm × 20 cm spacing, along with the suggested application of Bispyribac-sodium WP could provide the best result
Corrigendum to “Quantification of heavy metals in wild gravid female mud crab (Scylla olivacea) collected from different rivers of Sundarbans mangrove region” [Desalin Water Treat 319 (2024) 100521]
No full textUndergraduate students’ voices on the role of tutorial-based dialogic feedback in developing academic writing skills
No full textThis study explores undergraduate students’ perspectives of experiencing tutorial-based dialogic feedback (DF) aimed at enhancing their academic writing skills required for successful completion of English for Academic Purposes (EAP) writing courses. To achieve this aim, an interview-based qualitative study was conducted in a renowned institution of higher education in Bangladesh. The generated data were analysed using an inductive thematic analysis approach, which yielded the findings of this study. The key findings suggest that DF has possible significant prospects to be employed in EAP writing courses working alongside written corrective feedback (WCF). DF helps students better comprehend and effectively apply WCF in both the revised and final drafts of their assignments, potentially resulting in enhanced academic writing. The successful implementation of the DF framework, as proposed by Yang and Carless (2013), may ultimately lead to improvements in academic writing skills. Consequently, this study contributes South Asian evidence-based research to the existing body of knowledge on the pedagogical use of DF
The effect of plant extracts and cultural practices on Cucumber Mosaic Virus Disease, and growth and yield attributes of Capsicum
No full textAbstract Cucumber mosaic virus (CMV) is non-persistently transmitted by aphids, rendering chemical insecticides ineffective. The effects of various plant extracts (neem leaf extract, garlic bulb extract, mahogany bark extract) and cultural practices (aluminium foil as reflective mulch, coriander as intercrop, marigold as border crop) on CMV incidence and severity were evaluated in capsicum at Sher-e-Bangla Agricultural University, Bangladesh. Mosaic, shoestring, vein banding and stunted growth were observed visually in the field and DAS-ELISA confirmed CMV infection in capsicum. Neem leaf extract resulted in the lowest CMV incidence (8.33%) and severity (21.67%), number of symptomatic leaves and the smallest percentage of leaf area reduction (%LAR) whereas the highest CMV incidence and severity, number of symptomatic leaves, and %LAR were observed in the untreated plots. However, the highest growth and yield parameters were recorded using aluminium foil as reflective mulch. Maximum plant height and the highest number of asymptomatic leaves were observed in aluminium foil as reflective mulch-treated plants. The highest fruit number per plant (13.33), heaviest fruits (62.10 g), highest fruit yield per plant (725.74 g), highest plot yield (2.78 kg), highest total yield (5.56 ton/ha) and lowest yield loss (17.68%) were observed in aluminium foil as reflective mulch. Neem leaf extract effectively decreased the number of aphids per leaf. Total yield negatively correlated to CMV incidence and severity with 74.2% and 95.7% yield reduction respectively, indicating that effective management of CMV will lead to higher yield
Evaluation of Insecticides for Control of Mango Mealybug (Drosicha mangiferae) in Bangladesh
No full textEffectiveness of chemical insecticides namely Imidacloprid (0.4 g/L), Carbaryl (4 g/L), Thiamethoxam (0.4 g/L), Cypermethrin (1 ml/L), Carbosulfan (3 ml/L), Spinosad (0.4 ml/L), Dimethoate (2 ml/L) and Spirotetramate (2 ml/L) was evaluated to control 1 st, 2 nd, 3 rd instar nymphs and adult females of mango mealybugs (D. mangiferae) at Entomology laboratory, Sher-e-Bangla Agricultural University. Imidacloprid, Carbaryl, Thiamethoxam, Cypermethrin, Carbosulfan, Spinosad, and Dimethoate gave 90% mortality of 1 st instar nymph after 72 hr of spraying and dipping. At 2 nd instar, Cypermethrin, Carbosulfan, Spinosad, and Dimethoate gave 91.67%, 88.33%, 85.00%, and 85.00% mortality respectively by spraying method after 72 hr of treatment. In the dipping method, the highest mortality (90%) was achieved with Cypermethrin which was statistically similar to Carbosulfan (88.33%), Spinosad (86.67%), and Dimethoate (85%). At this nymphal stage, the lowest (63.33%) mortality was observed under Spirotetramate. In the case of the 3 rd instar, the highest (76.67%) and the lowest mortality (30.00%) was obtained with Cypermethrin and Spirotetramate respectively by spraying method. A similar trend was found in the dipping method. No mortality of adult females was found both in the spraying and dipping methods. Comparative susceptibility of 1 s t, 2 nd, 3 rd instars and adult females showed that the 1 st instar nymph was more susceptible to all insecticides compared to 2 nd, 3 rd instar nymphs and adult females.Subject AreasPlant Science
Productivity and Profitability of Moringa-Brinjal-Based Agroforestry Farming System
No full textAn investigation was carried out to assess the productivity and profitability of brinjal during the initial phase of Moringa establishment. Experimental design employed a Randomized Complete Block Design with four distinct treatments: (i) T1 (30 cm distance from the tree base), (ii) T2 (40 cm distance from the tree base), (iii) T3 (50 cm distance from the tree base), and (iv) T4 (open field, control), each treatment being replicated four times. Data were systematically collected from randomly selected plants within each plot and subjected to statistical analysis. The findings indicated that the T4 (control) treatment exhibited superior performance for various parameters, namely plant height, leaf number, branch number, fruit number, fruit weight, and yield. Treatment T4 produced the highest values for fruit weight per plant (1.9 kg), single fruit weight (72.6 g), and fruit yield (34.2 t/ha). Following closely, T3 ranked second with values of 1.6 kg, 67.4 g, and 28.3 t for fruit weight per plant, single fruit weight, and fruit yield per hectare, respectively. In contrast, T1 yielded the lowest results in fruit weight per plant (0.76 kg), single fruit weight (59.6 g), and fruit yield (13.4 t/ha). The analysis of the land equivalent ratio revealed that treatment T3 achieved the highest ratio at 1.81, indicating a positive correlation between a greater distance from the Moringa tree base and an increased brinjal yield. The study concludes that cultivating brinjal in association with one-year-old Moringa trees, while maintaining a 50 cm distance from the tree base, results in optimal yield. J. of Sci. and Tech. Res. 5(1): 09-20, 202