![]() The maximum seed germination (76 and 95%) was obtained when seeds were germinated at alternating temperatures of 30/20 ☌ under alternating 8/16 hours light/dark periods. Temperature and light interactively improved seed germination of African eggplant. Results showed that the environment, temperature, light, harvesting maturity stage, after-ripening, fermination and drying methods independently and interactively (p ≤ 0.01) affected seed physical, physiological and biochemical characteristics of two cultivars of African eggplant (Solanum aethiopicum L.). Field experiments were laid out in a randomized complete block design with factorial arrangements depending on the specific objective. ![]() Laboratory experiments were conducted at Seed physiology laboratory of University of Eldoret and International Livestock Research Institute (ILRI, Kenya). Field experiments were conducted under tropical monsoon (Bungoma, Kenya) and temperate oceanic climates (Chepkoliel, Eldoret, Kenya) between April, 2019 and January, 2021. The objectives of this study were to determine the effect of temperature and light on germination of two cultivars of African eggplant, evaluate the influence of fruit harvesting maturity stage on the physical and physiological quality of African eggplant, determine the effect of seed maturity stage on biochemical characteristics of African eggplant, evaluate the effect of harvest time and after-ripening on seed physiological characteristics of African eggplant and lastly to evaluate the effect of fermentation and drying methods on seed physiological characteristics of two cultivars of African eggplant. The quality of seed and its viability is affected by environmental, physiological and biochemical factors independently or interactively. ![]() The seeds are also known to possess short longevity. Seeds from these sources show no or low (0 – 25 %) germination, which affects seedling emergence and field establishment. In the absence of a formal quality seed production and supply system for the African eggplant, over 90% of farmers rely on farmer-saved and other informal sources for seed. The Gilo group of the African eggplant (Solanum aethiopicum L.) is one of the most important vegetable crops cultivated by smallholder farmers in Ghana and other West African countries.
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