Communicable diseases- Plants 0.0 / 5 ? BiologyPlantsASOCR Created by: jessbrighton1Created on: 03-03-16 20:43 Ring rot is caused by Bacteria 1 of 18 causes mottling and discolouration of leaves Tobacco mosaic virus 2 of 18 Black sigatoka is caused by fungus 3 of 18 Causes leaf spots on bananas black sigatoka 4 of 18 affects both leaves and potato tubers Blight 5 of 18 What causes blight? Fungus 6 of 18 micro organism that causes disease pathogen 7 of 18 passing a pathogen from host to host with no intermediacy direct 8 of 18 passing a pathogen from host to host via a vector indirect 9 of 18 organism that carries a pathogen from one host to another vector 10 of 18 Pathogen that causes malaria Plasmodium 11 of 18 Vector for malaria Anopheles 12 of 18 a large polysaccharide deposit that blocks old phloem sieve tubes callose 13 of 18 balloon-like swelling that blocks flow of water in xylem vessel tylose 14 of 18 Ring of decay in vascular tissue of a potato tuber Ring rot 15 of 18 What type of transmission is ring rot? Indirect 16 of 18 What type of transmission is TMV? Direct 17 of 18 For black sigatoka, what are the spores dispersed by? rain 18 of 18
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