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Boll affected by boll rot
More> Boll rot
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Bolls infected by Phytophthora
More> Boll rot
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Sclerotinia affected cotton boll
More> Boll rot
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Stages of Boll rot affected by fungi and bacteria
More> Boll rot
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Sclerotinia affected boll
More> Boll rot
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Fungal boll rot
More> Boll rot
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Fungal boll rot
More> Boll rot
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Boll rot caused by bacterial blight
More> Boll rot
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SGI Boll rot affected by bacterial blight
More> Boll rot
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Secondary fungal infection of bacterial blight lesions
More> Boll rot
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Alternaria leaf spot sepals
More> Alternaria leaf spot
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Hole by insects allow entry of fungal pathogens
More> Boll damage
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Hole by insects allows entry of fungal pathogens
More> Boll damage
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Mirid damaged green boll
More> Insect sucking pest damage
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Mirid tightlock and stain
More> Insect sucking pest damage
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Parrotbeak resulting from anther damage by insects or environment
More> Parrotbeak
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hole by insects allows entry of fungal pathogens
More> Insect bollfeeders
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Mirid inner carpel lesions
More> Insect sucking pest damage
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Bald patches’ on mature cotton seeds due to pale cotton stainer feeding.
More> Insect sucking pest damage
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Lint stain from pale cotton stainer.
More> Insect sucking pest damage
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Black root rot patchiness 1
More> Black root rot
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Black root rot patchiness
More> Black root rot
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Fusarium wilt affected patch in cotton crop
More> Fusarium wilt
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Fusarium wilt comet shaped patches down rows
More> Fusarium wilt
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Fusarium wilt of cotton often first observed as dead plants at tail drain
More> Fusarium wilt
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Gappy stand of eedling diseased cotton crop
More> Seedling disease
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Sudden wilt affected cotton - affects single plants or small patches
More> Sudden wilt
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Mycorrhiza deficient crop rear compared to mychorhizal crop front
More> Mycorrhiza
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Dryland plants dying in compacted area in hot dry weather
More> Soil compaction
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Premature senescence affected cotton crop note green edge row
More> Premature senescence
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Lightening can cause circular or irregular patches of dead or dying plants affected at the same height
More> Lightning
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Lightening causes or irregular patches of dead of dying plants affected at the same height
More> Lightning
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Lightening can cause circular patches of dead of dying plants affected at the same height
More> Lightning
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Following a period of cool cloudy weather in late summer/autumn
More> Sunscald
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Poor establishment with stunting and uneven growth
More> Bean root aphid
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Circular patches of defoliating plants
More> Mites
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Exotic Blue disease 
More> Exotic Blue disease
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small fruit die dry up and on plant
More> Boll dangle
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Elongated dead patch below dries square down fruiting branch
More> Boll dangle
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Brown damaged anthers from mirid feeding
More> Insect sucking pest damage
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Mirid damaged anthers close up
More> Insect sucking pest damage
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Exotic Bacterial blight
More> Exotic Bacterial blight
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Alternaria on cotlyedon
More> Alternaria leaf spot
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Alternaria lesion cotton leaf
More> Alternaria leaf spot
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Alternaria leaf spot stages
More> Alternaria leaf spot
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Bunchy top leaf mottle and reddening upper surface in full sun
More> Bunchy top
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Fusarium wilt affected leaf
More> Fusarium wilt
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Fusarium wilt affected leaf, Mottle can be confused with verticillium wilt
More> Fusarium wilt
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Feeding tracks on leaf upper surfcce caused by fleabeetles
More> Flea Beetle
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Verticillium wilt affected leaves progression from mottle to dead tissue.
More> Verticillium wilt
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Verticillium wilt affected leaves showing dead tissue on leaf edges
More> Verticillium wilt
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Verticillium wilt of cotton diffuse leaf mottle
More> Verticillium wilt
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Verticillium wilt of cotton angular leaf mottle
More> Verticillium wilt
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Bacterial blight expression cotton plant parts
More> Bacterial blight
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Bacterial blight leaf lesion
More> Bacterial blight
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Bunchy top leaf mottle-underside
More> Bunchy top
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Reddened bunchy top affected leaf with full sun exposure, without bunch growth habit
More> Bunchy top
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Tropical rust in cotton showing numerous small purple with red brown centre spots on older leaves
More> Tropical rust
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Zinc deficiency spots within yellow areas
More> Zinc deficiency
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TSV on you leaf showing single lesions
More> Tobacco Streak Virus
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Zinc deficient young leaves cup upwards and develop interveinal yellowing
More> Zinc deficiency
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Phenoxy leaf distortion (24D)
More> Herbicide
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Interveinal chlorosis from Simazine herbicide
More> Herbicide
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Dessicated leaf tissue from paraquat plus diquat herbicide , 6 days post exposure
More> Herbicide
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TSV Purple necrotic lesions on you leaf showing single lesions, sometimes chloritic and deformed curled down leaves
More> Tobacco Streak Virus
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Scratches due to movement on lower surface gives burn like spots on the upper surface
More> Wind damage
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Scratches due to wind movement on leaf surface. Gives burn like spot so the surface of leaf
More> Wind damage
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Usually late summer early autumn following cool cloudy weather
More> Sunscald
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White or variegated areas on leaf (genetic)
More> Chimera
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Intial yellow patches upon surface of the leaves and the webs on the bottom of the leaf
More> Mites
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Armyworm damage
More> Insect leaf feeders
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Cotton leaf perforator damage
More> Insect leaf feeders
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Jassid / leafhopper damage
More> Insect leaf feeders
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Aphid damage and honeydew
More> Insect leaf feeders
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Premature senescence affected cotton leaves
More> Premature senescence
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Herbicide Bleacher (Atrazine)
More> Herbicide
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Leaf distorsion typical of phenoxy herbicides, in this case MCPA
More> Herbicide
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Pyrithiobac sodium herbicide and cold weather
More> Herbicide
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Alternaria premature defoliation
More> Alternaria leaf spot
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Alternaria lesions on normal leaf
More> Alternaria leaf spot
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Exotic Cotton leaf curl
More> Exotic Cotton leaf curl disease
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Distorsion of leaves, Underside has a wet appearance, leaves hard and brittle
More> Broad Mite
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Black root rot affected plants
More> Black root rot
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Bunchy top & unnaffected
More> Bunchy top
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Fusarium wilt affected cotton seedlings
More> Fusarium wilt
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Fusarium wilt stunting and wilting can occur at any time
More> Fusarium wilt
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Fusarium wilt - may die back from top and regrow from base
More> Fusarium wilt
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Seedling disease variation within crop
More> Seedling disease
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Sudden wilt affected cotton plants suddenly defoliate in hot weather after irrigation or rainfall
More> Sudden wilt
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Sudden wilt affected cotton - brown discolouration limited to woody parts of roots and lower stem only
More> Sudden wilt
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Verticillium wilt affected cotton showing stunted plant growth
More> Verticillium wilt
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Bacterial blight whole plant
More> Bacterial blight
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Small leaves & bolls, short internodes
More> Bunchy top
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Glyphosate on non tolerant plants -Tolerant plant bottom left
More> Herbicide
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Glyphosate cotyledon fold down
More> Herbicide
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Leaves and bark damaged on one side only
More> Wind damage
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Excessive hot dry winds can dessicate and kill small plants
More> Wind damage
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Mature cotton damage to top of plant only
More> Lightning
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Premature senescence premature defoliation
More> Premature senescence
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Herbicide Dessicant (Glufosinate)
More> Herbicide
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Herbicide Phenoxy Fluroxypyr
More> Herbicide
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Post harvest rot developing at rope (water) entry to cotton module
More> Post Harvest rot
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Post harvest rot on cotton module often associated with inkycap fungus
More> Post Harvest rot
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Bacterial stunt affected brown roots
More> Bacterial stunt
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Black root rot affected roots (b)
More> Black root rot
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Black root rot affected roots
More> Black root rot
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Rhizoctonia diseased cotton roots with sunken red-brown spots
More> Seedling disease
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Fertiliser burn affected seedlings- symptoms at consistent depth
More> Fertiliser burn
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Fertiliser burn affected primary root - dieback of root tip
More> Fertiliser burn
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Abnormal root decelopment due to soil smear from planter
More> Soil compaction
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Plough pan affected roots
More> Soil compaction
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Tunnels surrounding tap root with ants and small brown aphids
More> Bean root aphid
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Exotic Fusarium wilt
More> Exotic Fusarium wilt
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Exotic Texas root rot
More> Exotic Texas root rot
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Black root rot in the stem
More> Black root rot
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Black root rot in the stem 2
More> Black root rot
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Fusarium wilt -features solid brown discolouration of woody part of cotton stem
More> Fusarium wilt
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Fusarium wilt -solid brown colouration of woody section cotton stem
More> Fusarium wilt
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Verticillium wilt affected cotton showing brown discolouration in woody parts throughout the plant
More> Verticillium wilt
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Verticillium wilt affected stem
More> Verticillium wilt
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Cotton tipworm damage stem tunneling
More> Cotton tipworm damage
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Cutworm and typical seeding damage
More> Insect stem feeders
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Seedling diseased by pythium usually causes soft rot & stem collapse
More> Seedling disease
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