Search Results - "Zobel, R.W"

Arbuscular mycorrhizal fungal isolate effectiveness on growth and root colonization of Panicum virgatum in acidic soil by Clark, R.B., Zeto, S.K., Zobel, R.W.

“…Arbuscular mycorrhizal fungi (AMF) can enhance plant ability to grow and withstand acidic soil induced stresses. Panicum virgatum L. (switchgrass) was grown in…”
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Eastern gamagrass (Tripsacum dactyloides) root penetration into and chemical properties of claypan soils by Clark, R.B. (Appalachian Soil and Water Conservation Research Lab. USDA-ARS, Beaver, WV (USA).), Alberts, E.E, Zobel, R.W, Sinclair, T.R, Miller, M.S, Kemper, W.D, Foy, C.D

“…Claypans restrict rooting depth and availability of moisture and nutrients to plants during periods of drought. Eastern gamagrass (Tripsacum dactyloides var…”
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Relationship between root elongation rate and diameter and duration of growth of lateral roots of maize by Cahn, M.D. (Cornell Univ., Ithaca, NY (USA). Dept. of Agronomy), Zobel, R.W, Bouldin, D.R

“…The objective of this work was to describe the relationship between elongation rate and diameter of maize roots and to estimate the length and growth duration…”
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Genetic and environmental aspects of roots and seedling stress by Zobel, R.W. (USDA, ARS, North Atlantic Area-Plant, Soil, and Nutrition Laboratory, Ithaca, NY.)

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Identifying mega-environments and targeting genotypes by Gauch, H.G. Jr. (Cornell University, Ithaca, NY.), Zobel, R.W

“…To maximize yield throughout a crop's heterogeneous growing region, despite differences in cultivar rankings from place to place due to genotype-environment…”
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Differential root morphology response to no versus high phosphorus, in three hydroponically grown forage chicory cultivars by Zobel, Richard W., Alloush, Ghiath A., Belesky, David P.

“…Forage chicory is a productive forage resource for eastern North America; however, many soils in the region are acidic and deficient in P and might restrict…”
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Photoperiod, Temperature, and Interaction Effects on Days and Nodes Required for Flowering of Bean by Wallace, D.H, Gniffke, Paul A, Masaya, P.N, Zobel, R.W

“…Number of days to flower (DTF) of 78 bean (Phaseolus vulgaris L.) genotypes was measured in tropical fields at various elevations. The associated 18 mean…”
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Yield, Nutrient Uptake, and Soil Chemical Properties as Influenced by Liming and Boron Application in Common Bean in a No-Tillage System by Fageria, N.K, Baligar, V.C, Zobel, R.W

“…In Oxisols, acidity is the principal limiting factor for crop production. In recent years, because of intensive cropping on these soils, deficiency of…”
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Effects of mycorrhizal fungus isolates on mineral acquisition by Panicum virgatum in acidic soil by Clark, R.B, Zobel, R.W, Zeto, S.K

“…Plant ability to withstand acidic soil mineral deficiencies and toxicities can be enhanced by root-arbuscular mycorrhizal fungus (AMF) symbioses. The AMF…”
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Predictive and postdictive success of statistical analyses of yield trials by Gauch, H.G. Jr, Zobel, R.W

“…The accuracy of a yield trial can be increased by improved experimental techniques, more replicates, or more efficient statistical analyses. The third option…”
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Response of mycorrhizal switchgrass to phosphorus fractions in acidic soil by Clark, R.B, Baligar, V.C, Zobel, R.W

“…In acidic soils, acquisition of phosphorus (P) by plants is limited because of low P availability and slight solubility. Arbuscular mycorrhial fungi (AMF) have…”
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Maize and soybean tap, basal, and lateral root responses to a stratified acid, aluminum-toxic soil by Bushamuka, V.N, Zobel, R.W

“…Although crop seedling root systems are made up of several types of root (e.g., tap, basal, and lateral roots) there has been little attempt to determine their…”
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Corn root growth in soil columns with artificially constructed aggregates by Freitas, P.L. de, Zobel, R.W, Snyder, V.A

“…Soil structure, defined as the size and density of aggregates, has been recognized as an important indicator of potential soil productivity. To better…”
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Photoperiod gene control over partitioning between reproductive and vegetative growth by Wallace, D.H. (Cornell Univ., Ithaca, NY (USA). Dept. of Plant Breeding and Biometry), Yourstone, K.S, Masaya, P.N, Zobel, R.W

“…The hypothesis tested was that lack of photoperiod gene activity allows inherent partitioning of photosynthate to continued growth of the earliest potential…”
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Imputing missing yield trial data by Gauch, H.G. Jr, Zobel, R.W

“…The Additive Main effects and Multiplicative Interaction (AMMI) statistical model has been demonstrated effective for understanding genotype-environment…”
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Improving efficiency of breeding for higher crop yield by Wallace, D.H. (Cornell Univ., Ithaka, NY (USA). Dept. of Plant Breeding and Biometry), Baudoin, J.P, Beaver, J, Coyne, D.P, Halseth, D.E, Masaya, P.N, Munger, H.M, Myers, J.R, Silbernagel, M, Yourstone, K.S, Zobel, R.W

“…Exclusive selection for yield raises, the harvest index of self pollinated crops with little or no gain in total biomass. In addition to selection for yield,…”
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Stability of Evapotranspiration Rates in Kentucky Bluegrass Cultivars across Low and High Evaporative Environments by Ebdon, J. S., Petrovic, A. M., Zobel, R. W.

“…In an effort to conserve water applied to irrigated turfgrass sites, it is important to assess the potential for water conservation among turfgrass germplasm…”
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Root and shoot growth periodicity of green ash scarlet oak, Turkish hazelnut and tree lilac by Harris, J.R. (VPI and SU, Blacksburg, VA.), Bassuk, N.L, Zobel, R.W, Whitlow, T.H

“…The objectives of this study were to determine root and shoot growth periodicity for established Fraxinus pennsylvanica Marsh. (green ash), Quercus coccinea…”
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A whole-system reconsideration of paradigms about photoperiod and temperature control of crop yield by WALLACE, D. H, ZOBEL, R. W, YOUSTONE, K. S

“…Effects by photoperiod gene(s) and daylength on crop yield and its three major physiological components (aerial biomass, harvest index, and days to harvest…”
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A method for studying the effects of soil aggregate size and density by Freitas, P.L. de (EMBRAPA/CNPS, Rio de Janeiro, RJ, Brazil.), Zobel, R.W, Snyder, V.A

“…Soil macroproperties, such as bulk density, porosity, water conductivity, and aeration, have been utilized in order to evaluate soil structure effects on crop…”
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