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Effects of Salicylic Acid Elicitor and Potassium Fertilizer as Foliar Spray on Canola Production in the Reclaimed Land in Ismailia Governorate, Egypt

Kamel, S.M., Mahfouz, H.M., Blal, H.A., Said, M., Mahmoud, M.F.
Cercetări agronomice în Moldova 2016 v.49 no.1 pp. 81-89
Brassica napus var. napus, branches, canola, cultivars, elicitors, farms, field experimentation, foliar spraying, fruiting, nutrition, oils, pathogens, potassium fertilizers, salicylic acid, seed yield, sowing, surfactants, vegetative growth, Egypt
A field experiment was conducted at the farm of Faculty of Agriculture, Suez Canal University, Ismailia Governorate, Egypt, during 2013/’14 and 2014/’15 seasons, to determine the effects of salicylic acid elicitor (SA) and potassium fertilizer (K) as foliar spray on canola production in the reclaimed land. Canola plants were sprayed with three rates of K and SA separately and together. The concentrations of SA with a surfactant triton 0.1% and concentrations of K sprayed after 30 days of sowing by one week interval for three times using hydraulic sprayer. Results indicated that K and SA provided good nutrition and resistance for pathogens, enhanced plant height (cm), number of branches/plant, fruiting zone (cm), seed yield/plant (g), seed yield/fed and oil percentage of canola cultivar (Serw 4) in the reclaimed land. K and SA separately or in combination at the rate of (6.0 cm⁻¹ + 300 mg⁻¹ SA) provided the best nutrition for enhancing resistance of plants against biotic and a biotic factors, consequently, enhancing vegetative growth and yield production during seasons of study 2013/’14 and 2014/’15.