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All Journal Agro Bali: Agricultural Journal AGROLAND: The Agricultural Sciences Journal
Wakuma Biratu
Ethiopian Institute of Agricultural Research, Bako National Maize Research Center
Agriculture, Biological Sciences & Forestry

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Genomic Mapping, Molecular Marker and Marker Assisted Selection in Rice: A Review Takele Mitiku Abdeta; Wakuma Biratu; Lemi Yadesa
Agro Bali : Agricultural Journal Vol 5, No 3 (2022)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (300.037 KB) | DOI: 10.37637/ab.v5i3.979

Abstract

Increased agricultural output is necessary to feed a growing world population, yet crop yield growth rates are currently slowing down. Therefore, qualities related to yield, stability, and sustainability should take center stage in plant breeding initiatives. Durable disease resistance, abiotic stress tolerance, and effective nutrition and water usage are a few of these characteristics. On several rice chromosomes, various resistance genes have been discovered, mapped, and tightly connected DNA markers have been created. The following qualities were chosen as potential molecular marker candidates: fragrance, disease resistance to bacterial, blast, and sheath blights, grain extension while cooking, chalkiness propensity, gelatinization temperature, minor aroma components, and seedling vigor/early establishment. With the help of developments in genetics and genomics, it is now feasible to go into the history of rice domestication and identify the precise genetic processes that were influenced by human selection. Agronomic main effect quantitative trait loci (QTLs) may contribute cumulatively to genetic variation, with hybrids showing stronger effects and comparatively fewer contributions from epistatic effects.
GROWTH, PHENOLOGICAL, YIELD AND YIELD COMPONENTS EVALUATION OF SWEET ORANGE (Citrus sinensis L.) CULTIVARS IN RAYA AZEBO WOREDA OF SOUTHERN TIGRAY, ETHIOPIA Wakuma Biratu; Haile Abebe; Mola Berhe; Kidane Tesfay; Haileslassie Gebremeskel; Mulashu Tuemay; Haregua Feleke; Jhon Hardy Purba
AGROLAND The Agricultural Sciences Journal (e-Journal) Vol 10 No 1 (2023): june
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agroland.v0i0.1206

Abstract

Sweet orange (Citrus sinensis L.) is an important fruit produced and consumed worldwide and it’s an excellent source of vitamin C. However, citrus industry in Ethiopia is at an infant stage; which is particularly due to shortage of improved and adapted cultivars and their distribution. Considering these, six sweet orange cultivars were evaluated to select adapted, high yielding and quality cultivar/s. Different growth, phenological, yield and yield component data were collected and analyzed using SAS. Days to maturity was also highly significantly (p<0.01)) affected by cultivars in 2017 cropping year. Fruit weight without rind (flesh weight) and juice weight were highly significantly (p<0.05) affected by cultivars in 2018 harvesting year. Marketable yield, unmarketable yield, and total yield tree-1 were significantly affected by cultivars in both 2017 and 2018 harvesting year. O. Valencia is late matured cultivars which took 1622 days from planting to first harvest. While, P.W.N. is early matured cultivars with average number of days of 1104 from planting to first harvest. In 2017, Hamlin, gave the highest marketable fruit yield tree-1 (68.61 kg) and total yield tree-1 (68.94kg). Jaffa gave significantly the maximum marketable fruit yield tree-1 (197.24 kg) and total yield tree-1 (198.81 kg) in 2018 cropping year. In 2019 harvesting year, Hamlin gave the highest marketable (63.3 kg) and total (64.02 kg) fruit yield tree-1. In average Jaffa and Hamlin gave the maximum marketable fruit yield tree-1 from the three consecutive harvesting years with mean value of 95.38 kg and 72.24 kg respectively. So, in Raya Azebo, and other areas having similar agro-ecologies Jaffa and Hamlin cultivars are recommended. Further, studying the nutritional content and water requirements of these cultivars are suggested.
Co-Authors Haile Abebe Haileslassie Gebremeskel Haregua Feleke Jhon Hardy Purba Kidane Tesfay Lemi Yadesa Mola Berhe Mulashu Tuemay Takele Mitiku Abdeta