Use of organic waste and bokashi-type fermented compost in the development of cauliflower seedlings

Estresse salino em manjericão

Abstract

ABSTRACT: The aim of this study was to evaluate the performance of basil cultivars fertigated with saline nutrient solutions in semi-hydroponic cultivation. The experiment was carried out in a greenhouse, following a randomized block design, in a 5 x 3 factorial scheme, with five basil cultivars (Grecco a Palla, Alfavaca Basilicão, Alfavaca Verde, Lemoncino and Roxo) and three salinities of the nutrient solution (2.0, 3.5 and 5.0 dS m^-1), with three replications, with the experimental portion represented by three pots containing 3.0 dm³ of coconut fiber and one plant in each. At 60 days after transplanting, plants were evaluated for plant height, number of leaves, number of stems and inflorescence, length of inflorescences, stem diameter, dry mass (leaves, stems, inflorescences and total), leaf area, specific leaf area, leaf area ratio, leaf succulence and the salinity tolerance index. In general, there were different responses between cultivars regarding salinity. Fertigation using high-salinity water promotes changes in the growth of sensitive basil cultivars. The cultivars Alfavaca Basilicão, Alfavaca Verde and Roxo were tolerant to all tested saline levels (2.0, 3.5 and 5.0 dS m^-1), while the cultivars Grecco to Palla and Lemoncino were tolerant until the salinity of 3;5 dS m^-1.