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Evaluation of Gypsophila paniculata L. growth using hydroponics.


The experiment was carried out in a greenhouse, in the campus of the Universidade Federal de Viçosa using hydroponics to study the behavior of the Gypsophila paniculata L. during its cycle in 6 periods of harvest (60, 75, 90, 105, 120 and 135 days of plant age). The plants were growth under hydroponic with recirculation of nutrient solution on expanded clay substract. A completely randomized experimental design with 6 treatments and 4 replications was used. Each plot consisted of one of the 6 harvest date. Immediately after harvesting, the whole plant was divided into roots, shoots, leaves and inflorescences in order to determine the fresh and dry matter to evaluate the growth of each organ and of the entire plant. Plant height and the number of leaves were also recorded in order to evaluate plant growth too. The cuttings were transplanted, aging 30 days and the last harvest occurred at 11/01/95-105 days, corresponding to the first flowering cycle. The total cycle was concluded with 135 days. The flowering initiation occurred about the 90th day of age. The development of the species in hydroponic was considered good, with an average of 2.6 very good quality commercial stems per plant. The production of fresh and dry matter was crescent during the entire cycle as well as the height.The highest growth rate was noticed around the age of 98 days.

ISSN: 2447-536X

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