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Coriander is a culture of great socioeconomic importance. It is primarily found in the North and Northeast regions of Brazil. The concentration of nutrients in the nutrient solution is an important characteristic for the development of plants, and one way to measure it is by the electrical conductivity that is related to the amount of soluble salts. This work was carried out in greenhouse and aimed to evaluate the growth and metabolism of cilantro as a function of the ionic concentration of two nutrient solutions in hydroponics. The treatments were conducted in a (7 × 2) factorial arrangement, seven levels of electrical conductivity and two nutrient solutions, with four replicates, totalling 56 experimental units. Castellane and Furlani nutrient solutions with modifications to obtain the desired electrical conductivity were used. The plants were harvested 60 days after planting. Furlani solution produced the highest values of fresh and dry weight. The contents of chlorophyll and carbohydrates increased as electrical conductivity increased. In general, electrical conductivity alters the concentration of macronutrients. Thus, original solutions can be used for the hydroponic production of coriander.

Desenvolvimento de plantas de coentro em função da força iônica da solução nutritiva