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- Title
MORFOANATOMIA DA RIZOGÊNESE ADVENTÍCIA EM MINIESTACAS DE Eucalyptus grandis x Eucalyptus urophylla.
- Authors
Goulart, Patricia Bueno; Xavier, Aloisio; Iarema, Lourdes; Otoni, Wagner Campos
- Abstract
The present work aimed to accomplish the histological analysis of the events involved in the adventitious rooting pattern of four Eucalyptus grandis x Eucalyptus urophylla clones. The mini-cuttings were collected from a mini-stump and the rooting experiments were set up under mini-hedge indoor semi-hydroponics by means of intermittent flooding fertirrigation. For histological analyses, the proximal ends of the minicuttings were collected after 0, 1,2,4, 6, 8, 10, and 12 days after planting them at greenhouse. After fixation with FAA 70% , the samples were dehydrated in a graded ethanol series and infiltrated overnight in metracrilate resin, and finally embedded in resin. It was verified the endogenous origin of adventitious root primordia from vascular cambium, and in some cases, the formation and proliferation of calli at the proximal end of the mini-cuttings within 8 to 12 days.
- Publication
Ciência Florestal (01039954), 2014, Vol 24, Issue 3, p521
- ISSN
0103-9954
- Publication type
Article