Essays about: "Ophiostoma"

Found 3 essays containing the word Ophiostoma.

1. 1. Effects of ash dieback and Dutch elm disease on forest structure in Dalby Söderskog 2012-2020

   University essay from SLU/Southern Swedish Forest Research Centre

   Author : Janis Ruks; [2020]
   Keywords : Sweden; Ophiostoma spp.; Hymenoscyphus fraxineus; Phytophthora spp.; forest succession; forest structure;

   Abstract : Dalby Söderskog is a national park situated in southern Sweden. The forest is dominated by European ash (Fraxinus excelsior L.), wych elm (Ulmus glabra Huds.), pedunculate oak (Quercus robur L. READ MORE

3. 2. Almens vara eller icke vara : om almsjukan och resistens

   University essay from SLU/Dept. of Biosystems and Technology (from 130101)

   Author : Therese Fransson; [2014]
   Keywords : Alm; Elm; Ulmus; Almsjukan; Dutch elm disease; Elm diseases; Resistance; Almsplintborre; Ophiostoma;

   Abstract : En frisk alm lever i fyra till femhundra år. Men smittas almen av den förödande almsjukan så kan trädet dö tillföljd av sjukdomen inom några månader. Almsjukan är en vissnesjukdom som orsakas av de två sporsäcksvamparna Ophiostoma ulmi och Ophiostoma novo – ulmi. Sjukdomen sprids av almsplintborren eller via rotkontakt. READ MORE

4. 3. Methyl salicylate production by the fungus Ophiostoma pluriannulatum isolated from Pine Weevil frass

   University essay from KTH/Skolan för kemivetenskap (CHE)

   Author : Emil Norin; [2011]
   Keywords : Ophiostoma pluriannulatum; Methyl salicylate; SPME; volatiles; antifeedant;

   Abstract : One great issue of reforestation is the infestation of pest insects. The pine weevil (Hylobius abietis L.) is one of the economically most important pest insects in Europe and Asia. When insects feed on the trees the plants emit compounds that repel the insects. READ MORE