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Quantitative Trait Loci Influencing Elemental Content In Grapevine Leaves, Jesse L. Krokower
Quantitative Trait Loci Influencing Elemental Content In Grapevine Leaves, Jesse L. Krokower
MSU Graduate Theses
In grapevine, the influence of the plant’s elemental composition (the ionome) on fruit and wine quality is well established, but its genetic underpinnings have received limited scientific attention. In this study, I analyzed the leaf ionome of 131 interspecific F1 hybrid progeny plants from a cross between a Vitis rupestris Scheele (♀) and a Vitis riparia Michx (♂) parents, which were replicated in four different environments: Southwest Missouri, Central Missouri, South Dakota, and New York. I sampled leaves at three different times during the growing season at all four locations and had the concentration of 20 elements measured using ICP-MS. …
Analysis Of Root System Architecture And Qtl Identification In Grapevines, Sujan Thapa
Analysis Of Root System Architecture And Qtl Identification In Grapevines, Sujan Thapa
MSU Graduate Theses
The root system of the plant plays a vital role in water and nutrient uptake. Native North American grapevines adapted to a broad range of climatic and soil conditions, which led to the evolution of diverse root system architecture (RSA) within the Vitis genus. Despite the importance of RSA in viticulture, little is known about the genetic basis of the RSA in grapevine. I used novel root phenotyping tool, RhizoVision Analyzer to characterize the root system of 208 genotypes of an F1 grapevine progeny obtained from a cross between Vitis rupestris Scheele B38 and Vitis riparia Michx. HP-1. Dormant …