PCA - Plant Pathogens EXAM (New 2026/
2027 Update) Questions & Answers {Grade
A} 100% Correct (Verified Solutions)
Peach leaf curl class - Correct answer Ascomycetes
Peach leaf curl biology - Correct answer Biotroph
Peach leaf curl life cycle - Correct answer Sexual Structure: ascospores
Asexual structure: bud-conidia
Resistant survival stage: ascospores and bud-conidia on trees in summer
Host range: Peach and nectarine
Peach leaf curl signs and symptoms - Correct answer Discolored leaves, thick stunted
distorted shoots, curling leaves
Peach leaf curl management - Correct answer Resistant cultivars, fungicide
treatments
,Venturia sp. - Correct answer Apple scab
Apple scab class - Correct answer Ascomycetes
Apple scab biology - Correct answer Necrotroph
Apple scab life cycle - Correct answer Sexual stage: ascospores from pseudothecia
Asexual structure: conidia
Resistant survival stage: overwinters in fallen apple leaves
Host range: apple, crabapple
Apple scab symptoms and signs - Correct answer Lesions on leaves and flowers,
scabs on apples, defoliation and cracked/deformed fruit
Apple scab management - Correct answer Resistant cultivars, fungicides,
removal/destruction of fallen leaves
Colletotrichum acutatum - Correct answer Strawberry anthracnose
,Strawberry anthracnose class - Correct answer Ascomycetes
Strawberry anthracnose biology - Correct answer Necrotroph
Strawberry anthracnose life cycle - Correct answer Sexual structure: ascospores
Asexual structure: conidia
Resistant survival stage: Appressoria
Host range: Wide
Strawberry anthracnose signs and symptoms - Correct answer petiole, runner, fruit
lesions, stunting and yellowing of plants, sometimes wilting and collapse
Strawberry anthracnose management - Correct answer Fumigation, solarization,
sanitation, fungicide dips, reduce splashing water
Sclerotinia sp. - Correct answer Watery soft rot, cottony rot
, Watery soft rot class - Correct answer Ascomycetes
Watery soft rot biology - Correct answer Necrotroph
Watery soft rot life cycle - Correct answer Sexual structure: ascospores
Asexual structure: conidia
Resistant survival stage: Sclerotia
Host range: wide
Watery soft rot signs and symptoms - Correct answer soft brown watery rot, plant
wilt, white mycelia, black sclerotia
Watery soft rot management - Correct answer Crop rotations, avoid excess moisture,
destroy infected plant debris
Monilinia sp. - Correct answer Brown rot
Brown rot class - Correct answer Ascomycetes
2027 Update) Questions & Answers {Grade
A} 100% Correct (Verified Solutions)
Peach leaf curl class - Correct answer Ascomycetes
Peach leaf curl biology - Correct answer Biotroph
Peach leaf curl life cycle - Correct answer Sexual Structure: ascospores
Asexual structure: bud-conidia
Resistant survival stage: ascospores and bud-conidia on trees in summer
Host range: Peach and nectarine
Peach leaf curl signs and symptoms - Correct answer Discolored leaves, thick stunted
distorted shoots, curling leaves
Peach leaf curl management - Correct answer Resistant cultivars, fungicide
treatments
,Venturia sp. - Correct answer Apple scab
Apple scab class - Correct answer Ascomycetes
Apple scab biology - Correct answer Necrotroph
Apple scab life cycle - Correct answer Sexual stage: ascospores from pseudothecia
Asexual structure: conidia
Resistant survival stage: overwinters in fallen apple leaves
Host range: apple, crabapple
Apple scab symptoms and signs - Correct answer Lesions on leaves and flowers,
scabs on apples, defoliation and cracked/deformed fruit
Apple scab management - Correct answer Resistant cultivars, fungicides,
removal/destruction of fallen leaves
Colletotrichum acutatum - Correct answer Strawberry anthracnose
,Strawberry anthracnose class - Correct answer Ascomycetes
Strawberry anthracnose biology - Correct answer Necrotroph
Strawberry anthracnose life cycle - Correct answer Sexual structure: ascospores
Asexual structure: conidia
Resistant survival stage: Appressoria
Host range: Wide
Strawberry anthracnose signs and symptoms - Correct answer petiole, runner, fruit
lesions, stunting and yellowing of plants, sometimes wilting and collapse
Strawberry anthracnose management - Correct answer Fumigation, solarization,
sanitation, fungicide dips, reduce splashing water
Sclerotinia sp. - Correct answer Watery soft rot, cottony rot
, Watery soft rot class - Correct answer Ascomycetes
Watery soft rot biology - Correct answer Necrotroph
Watery soft rot life cycle - Correct answer Sexual structure: ascospores
Asexual structure: conidia
Resistant survival stage: Sclerotia
Host range: wide
Watery soft rot signs and symptoms - Correct answer soft brown watery rot, plant
wilt, white mycelia, black sclerotia
Watery soft rot management - Correct answer Crop rotations, avoid excess moisture,
destroy infected plant debris
Monilinia sp. - Correct answer Brown rot
Brown rot class - Correct answer Ascomycetes
