PJB-2017-870
Effect of Different Media on Growth and Flowering in Two Cultivars of Gladiolus (Gladiolus grandiflorus L.) under Soilless Conditions
Ali jabbar
Abstract
This experiment was conducted to study the effect of coco peat: perlite medium with three ratios (v/v) (1:1, 3:1 and 1:3) on some vegetative, flowering and biochemical parameters of two gladiolus cultivars (strong and white) under soilless conditions in 2016. Data indicated that most vegetative parameters expressed as plant height, leaf number and leaf area, flowering parameter such as spike emergence, spike diameter, spike length and number of florets per spike and biochemical parameters like chlorophyll a, chlorophyll b and soluble sugars were significantly increased in cultivars, media and their interaction. As the results showed, there was a significant interaction between cultivars and media in plant height and dry weigh of flower where the higher plant was obtained in white cultivar and coco peat: perlite with ratio 1:3, while higher dry weigh of flower in strong cultivar and coco peat: perlite with ratio 1:3. In contrast, all of the parameters studied showed significant increase in the treatment containing coco peat: perlite with ratio 1:3.
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