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Wasie, Tilaye Anbes
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Agriculture, Biological Sciences & Forestry

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Effects of Seed Rates on Seed Quality and Seed Multiplication Factor of Bread Wheat (Triticum Aestivum L.) in Early Generation Seed Classes Under Rain-Fed Conditions in Amhara Region, Ethiopia Wasie, Tilaye Anbes; Shibie, Belayneh; Chanie, Yematew
Journal of Tropical Crop Science Vol. 12 No. 02 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.02.437-450

Abstract

Seed is a vital agricultural resource for enhancing crop production and productivity. However, a variety of variables limit bread wheat seed output and quality, including an insufficient seed rate for early generation seed production. The experiment was conducted in three districts, Adet, Debre Tabor, and Enewari, over two years (2020 and 2021) under rain-fed conditions to determine the optimal seeding rate for early-generation seed classes of bread wheat. Treatments included factorial combinations of five seeding rates (50, 75, 100, 125, and 150 kg.ha-1) and two seed classes, breeder and basic seeds. A randomized complete-block design with three replications was employed. A combined study across years and locations revealed that the interaction effect of seed rate and seed class was not significant (P > 0.05) for the parameters of days to heading, days to maturity, plant height, spike length, seed yield, and seed multiplication ratio. The combined results showed that seed rate had a substantial effect on bread wheat spike length, yield, and seed multiplication ratio. Lower seed rates resulted in a higher seed multiplication ratio at all three locations. Increasing the seed rate from 50 to 150 kg.ha-1 increased seed yield from 2555.2 kg.ha-1 to 3235.2 kg.ha-1, although the difference in seed yield between 125 and 150 kg.ha-1 was statistically insignificant (p>0.05 for the combined study). Finally, seed rates as low as 125 kg ha-1 can be employed for all seed classes to boost early-generation seed output in the three locations and similar agroecologies.
Effects of Seed Rate on Seed Multiplication Ratio, Seed Quality And Yield of Malt Barley Seed Classes Under Irrigated Conditions in Northwest Amhara Wasie, Tilaye Anbes; Shibie, Belayneh
Journal of Tropical Crop Science Vol. 11 No. 01 (2024): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.11.01.1-8

Abstract

Field experiments were conducted to identify seed rate enhancing seed multiplication ratio, seed quality and yield on Ibone (174/03) malt barely variety performance in Koga district during 2019 and 2020 irrigation seasons. Three seed classes (breeder, pre-basic and basic seeds) and seed rates (40, 60, 80 and 100 kg.ha-1) were compared. The experimental design randomized complete block in factorial arrangement with three replications. Analysis of variance was showed that the interaction effect of seed class and seed rate was not significant (P>0.05) for the parameters of days to maturity, plant height, spike length, seed yield, seed multiplication ratio and thousand seed weight. The study result depicted that seed rate had brought significant effect on the seed yield and multiplication ratio of malt barely. Results indicated that lower seed rates gave better seed multiplication ratio in the districts. Increasing seed rate from 40 to 80 kg.ha-1 has increased seed yield from 3356.1 kg.ha-1 to 3696.8 kg ha-1 though seed yield difference between seed rates of 60 and 80 kg.ha-1 was statistically non-significant (p>0.05). Increasing seed rate from 40 to 60 kg.ha-1 has continuously improved seed yield from 3356.1 to 3592.1 kg.ha-1 in all seed class in the districts, but the difference was statistically non-significant. In conclusion, seed rates as low as 60 kg.ha-1 can be used at all seed classes to accelerate early generation seed multiplication within the fast track variety release program in Western Amhara Region.
Co-Authors Chanie, Yematew Shibie, Belayneh