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Articles 1 - 6 of 6
Full-Text Articles in Plant Sciences
Soil Response Of Helicopter Liming In The Monongahela National Forest, Jarrett Douglas Fowler
Soil Response Of Helicopter Liming In The Monongahela National Forest, Jarrett Douglas Fowler
Graduate Theses, Dissertations, and Problem Reports
Soils in the Monongahela National Forest (MNF) are acidic due to sandstone parent material, acid deposition, uptake of base cations by vegetation, and release of organic acids by organic matter (OM) decomposition. Increases in soil acidity have caused declines in forest health and changed species composition and nutrient status. Liming can neutralize soil acidity, but no large-scale liming projects have been done on acid forest soils in the USA. In anticipation of acquiring funding for a proposed liming project in the MNF, in 2007 and 2009 10 sites were selected to sample and analyze soils before lime was applied. In …
Evaluation Of Calcium Application Methods On Delaying Plant Wilting Under Water Deficit In Bedding Plants, Suejin Park, Nicole L. Waterland
Evaluation Of Calcium Application Methods On Delaying Plant Wilting Under Water Deficit In Bedding Plants, Suejin Park, Nicole L. Waterland
Faculty & Staff Scholarship
Floriculture crops can lose their aesthetic quality due to water deficit during postproduction. Calcium is a secondary messenger in plant stress signaling, and the treatment of calcium has been proposed to alleviate damage by various abiotic stresses. The objective of this research was to evaluate application methods of calcium to delay plant wilting under water deficiency in three species of bedding plants: viola (Viola cornuta), impatiens (Impatiens walleriana), and petunia (Petunia grandiflora). Three application methods were compared including spray, drench, and pre-drench. Calcium was applied as CaCl2 and Ca(NO3)2 at three concentrations ranging from 50 to …
Plant Species Identification In The Wild Based On Images Of Organs, Meghana Kovur
Plant Species Identification In The Wild Based On Images Of Organs, Meghana Kovur
Graduate Theses, Dissertations, and Problem Reports
Image-based plant species identification in the wild is a difficult problem for several reasons. First, the input data is subject to a very high degree of variability because it is captured under fully unconstrained conditions. The same plant species may look very different in different images, while different species can often appear very similar, challenging even the recognition skills of human experts in the field. The large intra-class and small inter-class image variability makes this a fine-grained visual classification problem. One way to cope with this variability and to reduce image background noise is to predict species based on the …
Environmental Controls On The Terrestrial Water Cycle In Forested Mountain Ecosystems., Luis Andrés Guillén
Environmental Controls On The Terrestrial Water Cycle In Forested Mountain Ecosystems., Luis Andrés Guillén
Graduate Theses, Dissertations, and Problem Reports
Water is a key resource to natural ecosystems and human societies alike, and the water cycle is fundamentally linked to the climate and the characteristics of catchments. However, the challenges posed by environmental change makes it imperative to understand how the water cycle is affected by biotic and abiotic factors, in particular, in areas that are crucial sources of water like forested headwater catchments. Therefore, this doctoral dissertation aims to advance the knowledge on the dynamics between climate, vegetation and landscape that determine the water balance of forested mountain ecosystems. This document presents five chapters, an introductory chapter, three standalone …
Traditional And Modern Breeding Strategies Towards Developing Resilient Crops: Two Case Studies In Tomato, Estefania Tavares Flores
Traditional And Modern Breeding Strategies Towards Developing Resilient Crops: Two Case Studies In Tomato, Estefania Tavares Flores
Graduate Theses, Dissertations, and Problem Reports
Crop designing for resilience traits to produce satisfactorily under adverse conditions and scenarios is a priority for the future of global food security. In this thesis, two different approaches addressing major stress factors for tomato cropping are presented. We first aimed to domesticate tomato de novo as a high-salinity resistant crop using the wild relative, S. cheesmaniae via gene editing. We conducted single-gene and multiplex knock-out strategies using CRISPR/Cas9 genome editing to create loss-of-function alleles for the domestication-related genes BIF, CycB, J2, EJ2, MULTI, SP, SP5G, and FW11.3 in order to create a novel, halophyte tomato harboring an inherent high-salinity …
Biofortification Of Sodium Selenate Improves Dietary Mineral Contents And Antioxidant Capacity Of Culinary Herb Microgreens, Rachel Newman G. Newman, Youyoun Moon, Carl E. Sams, Janet C. Tou, Nicole L. Waterland
Biofortification Of Sodium Selenate Improves Dietary Mineral Contents And Antioxidant Capacity Of Culinary Herb Microgreens, Rachel Newman G. Newman, Youyoun Moon, Carl E. Sams, Janet C. Tou, Nicole L. Waterland
Faculty & Staff Scholarship
Selenium biofortification of plants has been suggested as a method of enhancing dietary seleniumintake to prevent deficiency and chronic disease in humans, while avoiding toxic levels of intake. Popular herbs such as basil (Ocimum basilicum L.), cilantro (Coriandrum sativum L.), and scallions (Allium fistulosum L.) present an opportunity for biofortification as these plants are used for added flavors to meals and are available as microgreens, young plants with increasing popularity in the consumer marketplace. In this study, basil, cilantro, and scallion microgreens were biofortified with sodium selenate under hydroponic conditions at various selenium concentrations to investigate the effects on yield, …