The anatomy of Santalum album (Sandalwood) haustoria
作者： Kushan U Tennakoon , Duncan D Cameron , None
DOI: 10.1139/B06-118
关键词: Sandalwood 、 Xylem 、 Penetration (firestop) 、 Santalum album 、 Hyaline body 、 Parasite hosting 、 Biology 、 Haustorium 、 Botany
摘要: Structural attributes of Santalum album L. (Sandalwood) haustoria have been long overlooked in the literature. This is surprising since successful haustorial formation key to survival individuals this ecologically and economically important plant. We investigated morphology formed by S. album attached one its principal hosts Tithonia diversifolia (Hemsley) A. Gray. The bell-shaped mature were composed a peripheral hyaline body centrally located penetration peg. parasite peg can penetrate host means direct pressure secretion cell-wall-degrading enzymes when forming graft union. latter mechanism supported study as we observed no evidence collapsed cells result applied pressure. Upon reaching xylem tissue root, thin ellipsoidal disc host–parasite interface was almost entirely parenchymatous tissue. L...
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