Thesiss

Abstract not available

Silybum marianum L. Gaertn. (commonly referred to as milk thistle) is a weed that has been used medicinally for over 2000 years. The therapeutic qualities of milk thistle are due to the presence of the flavonolignan silymarin. Herbal medicine is becoming increasingly popular in …

Intercropping is the practice of growing multiple crops together in the same field. This is not commonly implemented in Midwest agriculture - instead, current monoculture practices have garnered attention because of the negative environmental impacts of monoculture farming. For …

While supermassive black holes (SMBHs) up to a billion times the mass of the Sun are found in the centers of all massive galaxies and stellar mass black holes of ~ 10 solar masses (M☉) are formed from supernovae, there is currently no direct evidence for intermediate mass black …

Rare, arctic relict plant populations of Minnesota, found in the cool and moist microclimate produced along the cold waters of Lake Superior, face an uncertain future due to anthropogenic climate change. In this study, we used a variety of approaches to examine the contemporary …

Plants typically allocate axillary meristems to one of three principal fates: growth (G), reproduction (R), or inactivity (I). The latter is commonly enforced by ‘apical dominance’, promoting a growth form that favours vertical shoot extension — mediated by the effects of auxin …

Alliaria petiolata is an invasive biennial herb in North America where it has detrimental impacts on flora and fauna. Allelopathy, the chemical inhibition of plant competitors, is one explanation for why A. petiolata is more successful in North America than in Eurasia, where it …

Trade-offs are useful for understanding patterns of variation among life history traits because they can explain why fitness cannot be maximized for all traits. Among these traits is flowering phenology, which is of ecological importance in Lythrum salicaria (purple loosestrife)…

Sclerocarya birrea, generally known as the marula tree (mufula in the Venḓa language), is a plant native to Africa and Madagascar traditionally used as a source of food, medicine, cosmetics and other products. The main aim of this study was to write a detailed literature review …

Onion is a vegetable crop that is consumed and cultivated worldwide. The production of bulbs, however, is threatened by pathogens and pests that infect onion plants and cause yield losses. Three severe diseases of onion are leaf blight, neck rot and white rot and all three are c…