Food Plants International

27
Food Value: Per 100 g edible portion
Edible Moisture Energy Protein Calcium Iron proVit A proVit C Zinc
part % KJ g mg mg µg mg mg
Tuber 74.2 470 2.06 0.75 84 20 0.5
Insects:
Aspidiella hartii (Cockerell) Diaspididae (HEM)
Chrysodeixis chalcites (Esp.) Noctuidae(LEP) Green looper
and others See list under Greater yam.
Diseases:
Leaf spot Fungus Cylindrosporium dioscoreae Miy & Ito
Leaf spot Fungus Guignardia dioscoreae
Leaf spot Fungus Phyllosticta dioscoreae Cooke
Dark brown leaf blotch Bacterium Xanthomonas sp.
Mosaic leaf pattern Probably due to a virus.
Pests: Rats are a problem with yams in storage.
Importance:
The most important of the yams in Papua New Guinea for efficient food production. Papua New
Guinea has the best varieties in the world.
Cluster of tubers
Tuber shapes