Abstract
Growing vegetables can be seen as a means of improving people’s livelihoods and nutritional status. Tomatoes are one of the world’s most commonly planted vegetable crops. The nutritional arrangement of the tomato depends on the quantity and type of nutrients taken from the growing medium, such assoil and foliar application; therefore, an adequate amount of macro- and micro-nutrients, including zinc (Zn) and zinc oxide nanoparticles (ZnO-NPs), are crucial for tomato production. Zinc foliar spraying is one of the effective procedures that may improve crop quality and yield. Zinc oxide nanoparticles (ZnO-NPs) are represented as a biosafety concern for biological materials. Foliar application of Zn showed better results in increasing soluble solids(TSS), firmness, titratable acidity, chlorophyll-a, chlorophyll-b, ascorbic acid, amount of lycopene. Researchers have observed the effect of nanoparticles of zinc oxide on various crops, including tomatoes. Foliar spraying of ZnO-NPs gave the most influential results in terms of best planting parameters, namely plant height, early flowering, fruit yields as well as lycopene content. Therefore, more attention should be given to improving quantity and quality as well as nutrient use efficiency of Zn and ZnO-NPs in tomato production. Recent information on the effect of zinc nutrient foliar spraying and ZnO-NPs as a nano fertilizer on tomato productivity is reviewed in this article.
Highlights
Vegetable production can be espoused as an effective tool for maintaining the lifestyle and nutritional status of the people
Tomatoes are one of the most widely grown, valuable, and consumed vegetables in the world, ranking second only to potatoes in terms of consumption [1]. It is measured as a perennial crop, but in the case of commercial productions, it is considered as a self-crossing annual crop [2]
Several studies have noted that Zn is a vital nutrient element, which is required by all living organisms, and it ranks 23rd on the planet and is the second most abundant transition metal, following iron [4,5]
Summary
Vegetable production can be espoused as an effective tool for maintaining the lifestyle and nutritional status of the people. Tomatoes are one of the most widely grown, valuable, and consumed vegetables in the world, ranking second only to potatoes in terms of consumption [1] It is measured as a perennial crop, but in the case of commercial productions, it is considered as a self-crossing annual crop [2]. Nawaz and co-workers [15] observed in their experiment that the maximum number of tomato fruits per plant was produced and the total yield of tomato (28.43 t ha−1 ) was increased by 100% over control with the foliar application of 10 ppm Zn associated with the rate of 150 kg ha−1 , 100 kg ha−1 nitrogen (N) and phosphorus (P), respectively. In chickpea seedlings, the root biomass and shoot biomass exhibited 37.1% and 26.6% growth, respectively, with an application of 1 ppm of ZnO-NPs [18]. This review has focused on recent developments in the application and impact of Zn nutrient and nanoparticles on tomatoes, as well as potential prospects and challenges
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