Photosynthetic pigments concentration, performance, and quality of cucumber (Cucumis sativus) in response to the application of organic and inorganic nitrogen sources

Aboyeji, Christopher Muyiwa and Okunlola, Faith O. and Adelanwa, Shallom and Akaazua, W.B and Oyekale, Solomon and Muritala, Ganiyat Photosynthetic pigments concentration, performance, and quality of cucumber (Cucumis sativus) in response to the application of organic and inorganic nitrogen sources. Photosynthetic pigments concentration, performance, and quality of cucumber (Cucumis sativus) in response to the application of organic and inorganic nitrogen sources.

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	Text Photosynthetic pigments concentration performance and quality of cucumber Cucumis sativus in response to the application of organic and inorganic -1.pdf Download (1MB)

Abstract

Nitrogen (N), a macronutrient essential for plant growth and development, plays a crucial role in chlorophyll formation, protein synthesis, and other photosynthetic pigments that affect photosynthesis efficiency and subsequent yield. A screen house experiment was carried out with the objective to investigating the impact of both individual and combined applications of organic and inorganic nitrogen sources as it affects performance, chlorophyll a, b, aþb, carotenoids, and nutritional qualities of cucumber fruit. Different rates of urea (U) fertilizer (0, 60, and 120 kg N ha−1) and cow dung (CD) [0, 6, and 12 tonnes ha−1] were applied sole and combined. The experimental layout was a completely randomized design (CRD) with three replicates. The collected data were subjected to Analysis of Variance (ANOVA) using GENSTAT Discovery Software, Edition 4. Treatment means were conducted using Tukey’s test at a significance level of 0.05. The result indicated that there was an increase in the vegetative parameters of cucumber when applied with combined urea and cow dung as compared with the sole application of the two amendments. The photosynthetic pigments, vitamins and minerals were also found to increase with the application of combined organic and inorganic sources of N. The effects of the application of U60CD6, U60CD12, U120CD6, and U120CD12 were more pronounced on the vegetative growth, yield, photosynthetic pigments, vitamins and minerals contents of cucumber. Hence, it can be inferred that utilizing urea and cow dung in combination, specifically at the ratio of U60CD6, proves to be cost-effective and well-suited for cultivating cucumbers.

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