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Gene regulatory networks of AGL15, a plant MADS transcription factor.
A & B = initiation of lateral root through repeated local periclinal cell divisions in pericycle. The first stage of the lateral root initiation is the start of meristematic activity and the enlargement of a few initial pericyclic cells ("founder cells").
Size, acetylation and concentration of chito-oligosaccharide elicitors determine the switch from defence involving PAL activation to cell death and water peroxide production in Arabidopsis cell suspensions, in Physiologia Plantarum, volume 127, pp.
2) Role of introduced pests in altering forest composition: A. chestnut, A. elm, E. hemlock. 3) Concept of ecological succession and the role of seral communities. 4) Lichens: an extreme example of symbiosis.
C. September 1987 ii This publication is RR87002-HQ Copies of this report may be obtained, depending upon supply from: Research Branch B.C. Ministry of Forests and Lands 1450 Government Street Victoria, B.C. Citation: Meidinger, D. 1987.
NOTES ON TAXONOMY AND BIOLOGY: Like other cyst forming nematodes, it has sedentary endoparasitic habits. Cysts are persistent tanned sacs derived by the female body and contain the eggs. Cysts persist in soil for many years.