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Ghimire, Sudip
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Agriculture, Biological Sciences & Forestry Chemistry Earth & Planetary Sciences Environmental Science Immunology & microbiology

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Evaluation of Spring Season Local and Improved Rice Genotypes on Growth, Yield, and Yield Attributing Characters in Gorkha District, Nepal Acharya , Shreeja; Ghimire, Sudip; Thapa, Roshan; Bhattarai , Prakriti; Chhetri, Bidhya Poudel; Gautam, Bibek
Journal La Lifesci Vol. 5 No. 2 (2024): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v5i2.923

Abstract

Rice cultivation faces challenges related to varietal selection, limiting the potential yield of spring rice crops. This study was conducted in the Rice Zone of Gorkha, Nepal during the spring season of 2022 with aim to evaluate the growth, yield, and yield attributing characters of different rice genotypes. The study hypothesized that significant differences exist among different rice genotypes in terms of their growth, yield, and yield attributing characters. The experiment employed a one-factor randomized complete block design (RCBD) with seven genotypes, including local varieties (Hardinath Hybrid 1, Chaite-5, CH 45, Salijudi) and pipeline genotypes (IR16L1919, IR10N118, IR86515), and replicated three times. Results indicated significant variations among genotypes in response to similar growing conditions and nutrient availability. Notably, CH 45 exhibited the highest plant height (113.50 cm), while IR16L1619 demonstrated the longest panicle length (28.56 cm) and the highest number of effective tillers (23.10). IR16L1619 also displayed the highest number of leaves (97.27 leaves) and leaf area index (8.00). Chaite-5 had the longest flag leaf (33.13 cm), while IR16L1619 recorded the highest panicle length (28.56 cm) and number of grains per panicle (270.10). Salijudi exhibited the lowest sterility percentage (7.52 %), and CH 45 displayed the highest thousand grain weight (26.40). Moreover, IR16L1619 demonstrated superior performance in terms of grain yield (8.19 t/ha), straw yield (7.12 t/ha), and biological yield (15.25 t/ha). The findings underscored the genotype-specific responses to environmental conditions, highlighting the importance of tailored varietal selection for optimal productivity.
Assessment of Farm-Level Practices of Disease and Pest Management in the Banana Zone of Nawalparasi West district, Nepal Ghimire, Sudip; Regmi, Anmol
Journal La Lifesci Vol. 5 No. 3 (2024): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v5i3.1139

Abstract

Banana (Musa paradisiaca) is a vital fruit crop in Nepal, especially in the Nawalparasi West district, where it can produce and generate income. However, banana farming faces many problems such as diseases and pests that reduce crop yield and quality. This research aimed to assess the state of pest control techniques and banana diseases, providing insights and recommendations for their improvement. A total of 125 banana farmers were selected and the data were analyzed using Microsoft Excel and the Statistical Package for the Social Sciences (SPSS). The findings revealed that the banana leaf and fruit scarring beetle emerged as a particularly troublesome pest (severity index: 0.93), closely followed by the banana aphid (0.67), banana stem weevil (0.51), mealy bug (0.46), and banana rhizome stem borer (0.34). Similarly, diseases such as sigatoka leaf spot exhibited the highest severity (0.76), followed by anthracnose (0.59), bunchy top virus (0.52), bacterial wilt (0.51), and panama wilt (0.43). All participants employed diverse pest management practices, including mechanical, cultural, biological, and chemical methods. Notably, 82.4% utilized fungicides and 100% employed cultural methods, with no adoption of biological approaches. In pest management, 31.2% employed mechanical/physical methods, 95% embraced cultural methods, and all the respondents used pesticides. Positive and significant relationships were identified between respondents' education level, training, farming experience, contact with extension agents, and adoption of disease and pest management practices in banana cultivation.
Co-Authors Acharya , Shreeja Bhattarai , Prakriti Chhetri, Bidhya Poudel Gautam, Bibek Regmi, Anmol Thapa, Roshan