Root zone amendments are typically organic materials or inorganic materials of diverse mineralogy that when added to sand at modest rates of 5% to 20% by volume are capable of substantially and permanently altering the physical and chemical
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William R. Argo
Acceptable physical properties are an integral part of root-media quality. However, there is no one growing medium that works best in all situations because root-media physical properties are not constant, but rather can be affected by the grower. Understanding the root environment under production conditions requires an understanding of the dynamic nature of air : water : solid ratio in the medium. The objective of this review is to consider key aspects of root-medium physical properties, which include bulk density and particle size, container capacity, media settling, water absorption, rewettability, moisture release characteristics, and water loss due to evaporation from the root-medium surface.
Fucheng Shan and Kevin Seaton
, involving the establishment of mother vines from which dormant cuttings are taken for rooting or bench grafting, are relatively slow and not suited to rapid multiplication for commercial cultivation for newly released cultivars ( Singh et al., 2004 ). Mother
Karen Mitchell, Elizabeth French, Janna Beckerman, Anjali Iyer-Pascuzzi, Jeff Volenec, and Kevin Gibson
al., 2015 ; Olmo et al., 2016 ; Prendergast-Miller et al., 2011 ). Khan and Shea (2012) concluded that biochar can increase turf root growth in the Jandakot sands of West Australia. We are unaware of any published studies in which the effect of
Brigitte D. Crawford, John M. Dole, and Ben A. Bergmann
cuttings are rooted. Stock plants are managed to maximize the quantity and quality of cuttings for rooting by starting with juvenile or rejuvenated source material, optimizing physiological status of the stock plant through environment manipulation, and
L.E. Datnoff and R.T. Nagata
Abbreviation: CR, corky root. 1 Assistant Professor of Plant Pathology. 2 Assistant Professor of Horticulture. Florida Agricultural Experiment Station, Journal Series no. R-01644. We thank South Bay Growers for their assistance in conducting these
James H. Aldrich and Jeffrey G. Norcini
143 POSTER SESSION 23 (Abstr. 849-859A) Ornament&/Floriculture: Weed & Root Growth Culture
Arthur Villordon, Don LaBonte, Julio Solis, and Nurit Firon
Koshimizu and Nishida (1949) measured LR branching in sweetpotatoes and postulated that LR branching may be very important “to supply the internal growth elements” for storage root formation. Pardales and Yamauchi (2003) studied sweetpotato LR
Chrislyn Ann Particka and James F. Hancock
Black root rot (BRR) is a widespread disease of strawberry that causes the death of feeder roots and the degradation of structural roots resulting in an overall decrease in productivity ( Maas, 1998 ). By the 1950s, BRR had been reported in many
Lisa E. Richardson-Calfee, J. Roger Harris, Robert H. Jones, and Jody K. Fanelli
Root systems of most nursery-grown landscape trees extend well beyond the edge of the canopy. As a result, when large (greater than 2 m tall) field-grown trees are harvested for transplanting, only a small portion of the root system is moved and a