Anatomical and ultrastructural examination of adventitious root formation in stem slices of apple
1997
Jasik, J. (Komenskeho Univ., Bratislava (Slovakia). Katedra Fyziologie Rostlin)
Adventitious root formation in vitro in 1-mm stem slices cut from microshoots of apple cv. Jork 9 was studied using light and electron microscopy. When indole-3-butyric acid (IBA) had been added to the medium, starch grains accumulated during the first 24 h of culture in cells of the cambial region and in cells in the vicinity of vascular tissue and in the primary rays. This accumulation occurred only in the basal part of explants. Density of the cytoplasm and the number of cell organelles increased, whereas starch was broken down.
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