Effect of harvest time on germination power, seedlings vigour and yield of the oleaginous gourd Lagenaria siceraria seed in the rainforest of Côte d’Ivoire oleaginous gourd Lagenaria siceraria harvest time, seedlings quality and yield

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Ahou Leticia Loukou Kouame Kevin Koffi Bi Irie Arsèn Zoro

Abstract

The ripeness stage of Lagenaria siceraria (Molina) Standl fruit at the time of harvest is a very important factor, which determines seed quality and yield. The purpose of the current study was to determine the best harvest time of L. siceraria berries for high quality seed. Two cultivars of L. siceraria (round- and oval-berry) were used. Three maturity stages, 30 days after fruit set (30 DAFS), 50 days after fruit set (50 DAFS) and at complete plant wilting (CPW) were considered. Three experimentations were conducted: the production of berries at different ripening levels, the germination power of seeds and the seedling vigour, and the agronomic performance of plants. The results showed that the seeds from berries harvested at 50 DAFS and at CPW present the best agronomic characters. When the berries of both cultivars had reached the stage 50 DAFS and CPW, their seeds had the highest total seed weight (39.46 - 52.72 g) and germination percentage (88.7 to 89.5 %). These seeds produced more vigorous seedlings with a good performance than the seeds at 30 DAFS. The stages 50 DAFS and CPW can be considered as the best harvest time of L. siceraria berries.  

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Loukou, A., Koffi, K., & Zoro, B. (2018). Effect of harvest time on germination power, seedlings vigour and yield of the oleaginous gourd Lagenaria siceraria seed in the rainforest of Côte d’Ivoire. Advances in Agricultural Science, 7(1), 51-59. Retrieved from http://aaasjournal.org/submission/index.php/aaas/article/view/122
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