Abstract
Two field experiments were conducted during two seasons of 2017 and 2018 to evaluate the effect of both bio-fertilizer (inoculated or uninoculated) and selenium (Se) spray at 0.5, and 10 ppm on vegetative growth, pigments, yield and quality of potato plants. The results indicated that, vegetative growth characters (number of leaves, plant height, plant fresh weight, plant dry weight, leaf area and leaf pigments (chlorophyll a, chlorophyll b and chlorophyll a and b were significantly increased with Bio-fertilizers (Halex-2, and High rate of Se (10 ppm), in both seasons. Plant yield of tuber, number of tubers/plant, average tuber weight and tuber yield/Fed and (tuber content of starch and protein), generally, seemed to be increased with the Bio-fertilizer (Halex-2) and high rate of Se, in both growing seasons. The interaction between Bio-fertilizer (Halex-2) and Se reflected positive effects on the all studied quantitative and qualitative characters of potato plants.
Highlights
Potato (Solanium tuberosum L.) is grown for food, animals feed and industry as well as seed tuber production [1]
Two field experiments were conducted during two seasons of 2017 and 2018 to evaluate the effect of both bio-fertilizer and selenium (Se) spray at 0.5, and 10 ppm on vegetative growth, pigments, yield and quality of potato plants
The results indicated that, vegetative growth characters (number of leaves, plant height, plant fresh weight, plant dry weight, leaf area and leaf pigments (chlorophyll a, chlorophyll b and chlorophyll a and b were significantly increased with Bio-fertilizers (Halex-2, and High rate of Se (10 ppm), in both seasons
Summary
Potato (Solanium tuberosum L.) is grown for food, animals feed and industry as well as seed tuber production [1]. The development of potato plants can be divided into five different growth stages, which include sprout development, vegetative growth, tuber initiation set, tuber bulking and tuber maturation [3] It is recognized as one of the most important vegetable crops for local consumption and exportation and is known as the fourth most important world crop after rice, wheat and maize. Se may serve a role in antioxidative mechanisms and was indicated to be a component of glutathione peroxidase [12] At low concentrations, it has many beneficial effects, it can increase the antioxidant capacity under different stresses conditions, delay senescence, promote the growth of seedlings and regulate the water status of plants under drought conditions [13]. The present investigation aimed to study the response of potato (Solanium tuberosum L.) to bio-fertilizer (Halex-2) and foliar spray of Se of the vegetative growth, tuber yield and chemical composition. The study aims to evaluate the role of fertilizer on uptake of Selenium (Se) by Potato plants in association with plant quality and yield
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