Effect of Colored Shading Nets on the Growth and Water Use Efficiency of Sweet Pepper Grown under Semi-arid Conditions

Colored shading nets have been increasingly studied in semi-arid crop production systems, primarily because of their ability to reduce solar radiation with the attendant reductions air, plant, and soil temperatures. However, there is a paucity research concerning impact colored on various crops grown under environments, particularly sweet pepper ( Capsicum annum ) system. This study aimed investigate effects three net treatments (i.e., white, green, black 50% intensity control unshaded conditions) growth instantaneous water use efficiency (WUE) pepper. The results showed that all exhibited significantly lower daytime air temperatures light (22 28 °C 9992 lx, respectively) compared (32 37 24,973 respectively). There were significant differences performance among treatments, including plant height, shoot dry weight, leaf area, chlorophyll content, vitamin C ripened fruit. enhanced photosynthetic rates observed plants plants. WUE increased following order: ≤ white < green. Overall, application green systems environments responses WUE.