Influence of colour mulches on photomorphogenesis and productivity of sweet pepper (Capsicum annum cv. Baladi)
As the photomorphogenesis and the role of red light in plant growth and development now is being more clarified; this article aimed to study the response of sweet pepper to the red and black mulch colour using drip irrigation system. Branching, leaf area, leaves dry weight, flowering and fruiting as well as quality of fruits and their content of crude protein, amino acids and some elements were evaluated in two years study. Of the main results obtained were that significant increase of branches number and each of photosynthetic area and pigments as well in plants grown over red mulch.Also, earliness of flowering and fruiting, increases of early and total yielded fruits as well as improving of fruit quality and their content of crude protein, amino acids and some elements in red mulch even when compared with black mulch or the bare soil were confirmed. Thereby, present study strongly admit the use of red mulch in pepper and other economic vegetables production. In addition, further studies about the mechanism of flowering evocation and the formation of more than one fruit on the same node as well as increasing the number of formed branches are being still needed further studies.
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