Evaluation of Promising Jute (Corchorus olitorius) Germplasm Against Stem Rot Caused by (Macrophomina phaseolina) (Tassi) Goid
Tirtha Raj Rijal,
Sujan Karki
Issue:
Volume 8, Issue 5, September 2022
Pages:
192-195
Received:
16 August 2022
Accepted:
2 September 2022
Published:
16 September 2022
DOI:
10.11648/j.ijaas.20220805.11
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Abstract: Jute (Corchorus spp) is one of the commercial crops of Nepal and cultivation is mostly confined in Jhapa, Morang, Sunsari, Siraha Saptari and Udaipur districts of eastern region of the country. Among the jute diseases, stem rot (Macrophomina phaseolina) is the most important disease of jute equally affecting both the species viz., Corchorus olitorius (tossa jute) and C. capsularis (white jute). This disease is prevalent in all the jute growing areas of the world. So, considering the importance of this disease, this study was carried out to identify sources of resistance in jute germplasm (Corchorus olitorius) against deadly disease of stem rot. For the study six C. olitorious jute germplasm including one standard check (Itahari-2) were evaluated against stem rot at Itahari for three consecutive years 2019-2021 under replicated conditions with the plot size of 3×3 m2 applied randomized complete block design (RCBD). Out of six germplasm of jute, only JRO-524 was found resistant with disease rating scale (0.73, 0.68, 0.63) against the stem rot disease over the years at Itahari conditions. Rest of the lines also showed resistant to moderately resistant differently over the years. This germplasm line JRO-524 possessed good degree of resistance against stem rot of jute under natural epiphytotic condition at Itahari location which could be further exploited for resistance breeding programme against this deadly disease. Rest of the tested genotypes reacted moderately resistant over the years.
Abstract: Jute (Corchorus spp) is one of the commercial crops of Nepal and cultivation is mostly confined in Jhapa, Morang, Sunsari, Siraha Saptari and Udaipur districts of eastern region of the country. Among the jute diseases, stem rot (Macrophomina phaseolina) is the most important disease of jute equally affecting both the species viz., Corchorus olitori...
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Adaptation Trial of Improved Garlic (Allium sativum L.) Varieties in North Shewa Zone, of Oromia Region
Issue:
Volume 8, Issue 5, September 2022
Pages:
196-200
Received:
23 September 2022
Accepted:
24 October 2022
Published:
4 November 2022
DOI:
10.11648/j.ijaas.20220805.12
Downloads:
Views:
Abstract: Garlic (Allium sativum L.) belongs to the family Alliaceae and is the second most widely used Allium next to the onion. North shewa has considerable potential in agroecology which is suitable for garlic production. However, the lack of improved and adaptable varieties of this crop is the major production constraint in the study area. A field experiment was conducted for one year (2021) during the cropping season on farmers’ land in Jidda, Wachale, Yaya Gulale, and Degam districts. The objective of the study was to identify adaptable, high-yielding, and diseases tolerant garlic varieties for the study areas and similar agroecology. The treatments were arranged in a randomized complete block design with three replications. The treatments consisted of five garlic varieties (Bushoftu, Kuriftu, Tsedey 92, HL, and Chefe) and one local check. The result of the study showed significant differences among varieties for all the recorded traits. Among the varieties, Local check gave the highest yield (9.96 tons ha-1) followed by Kuriftu (6.94 tons ha-1) and Tsedey 92 (6.37 tons ha-1), respectively. Therefore, the result of this research can be used as good information for the future garlic variety development program at the national level. Considering the most desirable yield and yield component parameters, the local cultivar is recommended to the producers in the North Shewa Zone of the Oromia Region. Further research on the collection, characterization, and evaluation of the local cultivars should be conducted for national use.
Abstract: Garlic (Allium sativum L.) belongs to the family Alliaceae and is the second most widely used Allium next to the onion. North shewa has considerable potential in agroecology which is suitable for garlic production. However, the lack of improved and adaptable varieties of this crop is the major production constraint in the study area. A field experi...
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