engleski

Influence of agrochemical properties of the substrate on the germination of radicchio (Chichorium intybus var. foliosum Hegi)

Standard germination and germination energy as the main indicators of physiological seed quality are often limited by agrochemical properties of the substrates which are required for seed germination. In the first instance that are pH and EC of the substrate, which directly affect to the number of normal seedlings and normal root system development as well as hypocotyl and seedling mass. The aim of this study was to determine the effect of agrochemical properties of three different substrate on germination characteristics of radicchio. The experiment was set up under controlled conditions in forcing bad of University of Applied Sciences in Slavonski Brod during November 2010. In plastic containers for growing seedlings (100 seeding posts 3x3 cm), on three different substrates Green vital, Acid substrate and H Potgrond was planted four different varieties of radichio: Bianco di Milano, Castelfranco, Pan di Zucchero, and Verona with three replications. The differences found in pH and EC between all three substrates were highly significant (F> 0.01 **). Statistically significant effect of substrate on root length was found. Also, the variety Caselfranco was statistically significantly different from other varieties by standard germination, hypocotyl length and root length. From these results we can conclude that choosing the proper substrate for growing seedlings radicchio plays a major role in seed germination and root development.

Substrate ; Agrochemical properties ; Radicchio

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