Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Titre : Characterization of Soil Nematode Community as Influenced by Weedy Plants and Edaphic Properties

Auteur : Garcia, Orlando

Université de soutenance : University of Texas Rio Grande Valley 

Grade : Master of Science (MS) 2021

[[ Résumé
Nematodes are an important component of soil food web. They play a vital role in soil nutrient cycling. However, since most of the current research has focused on a singular group of nematodes, the herbivore/plant-parasitic nematodes, very little is known about their overall contribution in agricultural as well as natural systems. In this study, we analyzed the shift in nematode community composition as influenced by native and invasive weed species in the Lower Rio Grande Valley (LRGV). We explored the influence of soil of edaphic soil properties on nematode community. Our results indicate a significant difference in the composition of the soil nematode community amongst native and invasive weed species in the LRGV. The major differences were observed as individual nematode species such as Helicotylenchus spp. and Pratylenchus spp. Along with the different plant species, soil edaphic properties also had significant influence on the soil nematode community. These results have significant implications on both invasive species and plant parasitic nematode management.

Présentation et version intégrale (ProQuest)