- Types:
- show 79 types...
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blight
any plant disease resulting in withering without rotting
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leaf disease
any plant disease localized in the foliage
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rust
a plant disease that produces a reddish-brown discoloration of leaves and stems; caused by various rust fungi
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blackheart
any of various diseases in which the central tissues blacken
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black knot
disease of plum and cherry trees characterized by black excrescences on the branches
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black rot
a fungous disease causing darkening and decay of the leaves of fruits and vegetables
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black spot
any of several fungous diseases of plants that produce small black spots on the plant
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bottom rot
fungous disease of lettuce that first rots lower leaves and spreads upward
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brown rot
any of certain fungous diseases of plants characterized by browning and decay of tissues
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gummosis
pathological production of gummy exudates in citrus and various stone-fruit trees
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canker
a fungal disease of woody plants that causes localized damage to the bark
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cotton ball
a fungus disease of cranberries
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crown gall
a bacterial disease of plants (especially pome and stone fruits and grapes and roses) which forms excrescences on the stem near the ground
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crown wart
a fungous disease of alfalfa which forms white excrescences at the base of the stem
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damping off
a plant disease caused by a fungus; diseased condition of seedlings in excessive moisture
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dieback
a disease of plants characterized by the gradual dying of the young shoots starting at the tips and progressing to the larger branches
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dry rot
a crumbling and drying of timber or bulbs or potatoes or fruit caused by a fungus
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heartrot
any plant disease in which the central part of a plant rots (especially in trees)
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mosaic
viral disease in solanaceous plants (tomatoes, potatoes, tobacco) resulting in mottling and often shriveling of the leaves
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rhizoctinia disease
disease caused by rhizoctinia or fungi of Pellicularia and Corticium
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pink disease
serious bark disease of many tropical crop trees (coffee, citrus, rubber); branches have a covering of pink hyphae
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potato wart
fungous disease causing dark warty spongy excrescences in the eyes of potato tubers
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root rot
disease characterized by root decay; caused by various fungi
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scorch
a plant disease that produces a browning or scorched appearance of plant tissues
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sweet-potato ring rot
disease of sweet potatoes in which roots are girdled by rings of dry rot
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sclerotium disease, sclerotium rot
plant disease cause by fungi of the genus Sclerotium; also one in which sclerotia are formed
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Dutch elm disease
disease of elms caused by a fungus
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ergot
a plant disease caused by the ergot fungus
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foot rot
plant disease in which the stem or trunk rots at the base
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pinkroot
a fungal disease of onions
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wilt, wilt disease
any plant disease characterized by drooping and shriveling; usually caused by parasites attacking the roots
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smut
destructive diseases of plants (especially cereal grasses) caused by fungi that produce black powdery masses of spores
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soft rot
mushy or slimy decay of plants caused by bacteria or fungi
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yellow dwarf
any of several virus diseases of plants characterized by stunting and yellowing of the leaves
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yellow spot
any of several fungous or viral diseases characterized by yellow spotting on the leaves
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alder blight
a disease of alders caused by the woolly alder aphid (a plant louse)
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apple blight, apple canker
a disease of apple trees
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beet blight
a disease of beet plants
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blister blight
a disease of tea plants
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blister blight
a disease of Scotch pines
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cane blight
a disease affecting the canes of various bush fruits (e.g., raspberries or currants)
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chestnut blight, chestnut canker, chestnut-bark disease
a disease of American chestnut trees
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coffee blight
a blight affecting the coffee plant
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collar blight
a disease affecting the trunks of pear and apple trees
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bean blight, halo blight, halo spot
a blight of bean plants
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halo blight
a blight affecting the leaves of oats and other grasses
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head blight
a blight of the heads of cereals
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late blight
blight in which symptoms appear late in the growing season especially a disease of solanaceous plants caused by the fungus Phytophthora infestans
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leaf blight
any blight causing a browning and falling of the leaves of a plant
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peach blight
a disease of trees bearing drupes
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potato blight, potato disease, potato mildew, potato mold, potato murrain
a blight of potatoes
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rim blight
a disease of tea plants
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spinach blight
a disease of spinach plants
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spur blight
a disease of raspberries
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stem blight
a fungous blight attacking the stems of plants
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stripe blight
a disease of oats
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thread blight
a disease of tropical woody plants (cacao or tea or citrus)
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tomato blight, tomato yellows
a disease of tomato plants
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twig blight
a disease of the ends of twigs of woody plants
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walnut blight
a disease of English walnut trees
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blister rust, white pine blister rust, white-pine rust
any of several diseases of pines caused by rust fungi of the genus Cronartium and marked by destructive invasion of bark and sapwood and producing blisters externally
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brown rot gummosis, gummosis
disease of citrus trees caused by the fungus Phytophthora citrophthora
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ring disease, ring rot, tobacco wilt
disease of tomatoes and potatoes and tobacco etc caused by the bacterium Pseudomonas solanacearum
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hairy root
a phase of crown gall (especially in apples) during which there is abnormal development of fine fibrous roots
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potato mosaic
a disease of the leaves of potato plants
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tobacco mosaic
a plant disease causing discoloration of the leaves of tobacco plants
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tomato streak
disease of a wide range of plants (tomatoes, potatoes, peas) resulting from a mixed infection of potato and tomato mosaic
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little potato, rosette, russet scab, stem canker
rhizoctinia disease of potatoes
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leaf scorch
plant disease causing a burned or scorched appearance of the foliage
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granville wilt
a bacterial wilt of tobacco plants
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fusarium wilt
wilt caused by fungi of the genus Fusarium
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verticilliosis
wilt caused by fungi of the genus Verticillium
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loose smut
disease of grains; the entire head is a dusty mass of spores
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bunt, stinking smut
disease of wheat characterized by replacement of the grains with greasy masses of smelly smut spores
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flag smut
smut affecting leaves and stems of cereals and other grasses
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false smut, green smut
disease of rice; grains covered by a green powder consisting of conidia
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leak
soft watery rot in fruits and vegetables caused by fungi
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potato yellow dwarf, yellow dwarf of potato
the yellow dwarf disease of potato plants
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onion yellow dwarf
the yellow dwarf disease of onion plants
