Nematology 100 Lecture 12 Slides
Dec 25, 2015
Nematology 100
Lecture 12 Slides
Aphelenchoidesritzemabosi-chrysanthemum
Aphelenchoidesfragariae-lily
Aphelenchoidesbesseyi-rice
Aphelenchoides fragariae - Hosta Aphelenchoides sp. - Verbena
Aphelenchoides fragariae - Carnation Aphelenchoides fragariae - Weigelia
Bursaphelenchus cocophilus - palm
Bursaphelenchus cocophilus – “little leaf” symptoms
Bursaphelenchus cocophilus – vector control
insecticide traps with pheromone attractant
Bursaphelenchus xylophilus – pine wilt
Bursaphelenchus xylophilus
Aphelenchoidea
fungus
horizontal gene transfer- HGT
cellulases – GHF45- glycoside hydrolase family
the evolution of plant parasitism
Bursaphelenchus xylophilus – vector, Monochamus sp.
Searching for Bursaphelenchus spp.:– gray pine, El Dorado County- found mainly bacterial- and fungal-feeders
Laimaphelenchus sp. is detectedin samples of bark with exudingresin
Signs of bark-beetle damage to Monterey Pine (Pinus radiata)
feeding on fungi or algae? or…?
From tree in foreground:Laimaphelenchus sp.– Monterey Pine, El Dorado County
feeding on fungi or algae? or…?
Laimaphelenchus sp.
Another aphelench:Seinura sp. – a predator