Effect of Foliar Nutrient Spraying (Chorophyll GS) on Growth and Yield of Some Genotypes of Potato
Abstract
The field experiment was conducted in the autumn season / 2019-2020 and within the AL- YUSUFIYA area, south of BAGHDAD province. Three potato genotypes were used, including (ALABAD, REVERA, and EL MUNDO), The Spilt-Plot system was used in the randomized complete block design (RCBD) with three replicates per treatment, placing the foliar nutrients in the main plots and the genotypes in the secondary plots. To study the effect of genotype, foliar nutrient GS concentration, and their interaction on the studied traits of two agricultural seasons. Treatments were sprayed with foliar nutrients and included three levels of 0, 30, and 60 g / 100 liters of water, The results were summarized: The effect of the foliar nutrient CHLOROPHYLLGS was significant in most of the studied traits of the genotypes, where it achieved a concentration of 60 gm | 100 liters, The highest average of growth traits is obtained in the spring season and includes leaf area (186.52), leaf content of CHLOROPHYLL(42.33) spad for the spring season, and marketing yield (27.19) tons .hectares. The total plant yield is (629.25) g. As for the genotypes, the ALABAB genotype gave the highest average in the traits of the number of stems, leaf area, CHLOROPHYLL percentage, and the genotype in the number of tubers and the weight of the tuber to the total yield of the plant.
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