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The roles of brassinosteroids (BRs) in vasculature development have been implicated based on an analysis of Arabidopsis BR mutants and suspension cells of Zinnia elegans. However, the effects of BRs in vascular development of a woody species have not been demonstrated. In this study, 24-epi brassinolide (BL) was applied to the vascular cambium of a vertical stem of a 2-year-old Liriodendron, and the...
This study was carried out to evaluate the effect of N, P, and K on the growth of Caesalpinia echinata plants and on the anatomical and chemical characteristics of their stems. Eight-month-old plants were grown in polyethylene pots of 8 L containing soil. The pots were arranged in randomized blocks where they received N, P, and K in isolated form, and NPK combined in 10:10:10 and 04:14:08 ratios....
The effect of a short-term low temperature on cellular characteristics of a frost ring in radiata pine (Pinus radiata) secondary xylem was investigated using various microscopic techniques. Cell walls in the frost ring, that formed in the earlywood due to an abrupt drop in the temperature one night in the Spring, were poorly developed, lacking in the proper thickness and the proportion of wall constituents...
Abstract. The aim of the present study was to determine how long-term nutrient optimisation of Norway spruce stands affects the chemical composition of stem wood. Material for the study was collected from Flakaliden (Sweden) where Norway spruce [Picea abies (L.) Karst.] stands have been grown either without fertilisation or under nutrient optimisation treatment, by supplying a complete nutrient mix...
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