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WorksheetsCitrus Scab Quiz
Total questions: 10
Worksheet time: 5mins
What fungus causes citrus scab?
Penicillium
Aspergillus
Elsinoë fawcettii
Fusarium
Which type of citrus fruit is most affected by severe early infection of citrus scab?
Grapefruit
Temples
Murcotts
Tangelos
What is the recommended action to reduce disease severity during the active growth period of citrus fruit?
Increase watering
Eliminate foliage wetting
Use more fertilizers
Prune trees regularly
Which fungicide is less effective for scab when scab pressure is high?
Copper products
Abound
Gem
Headline
What is the first step in controlling citrus scab if leaves from the previous season are heavily infected?
Use copper fungicides
Apply strobilurin fungicides
Omit the first spray
Use organic treatments
Which fungicide is preferred for Alternaria control on Minneola tangelos?
Ferbam
Enable 2F
Copper products
Abound
When does fruit usually become resistant to citrus scab?
In March
In April
In May
In June
What is the minimum retreatment interval for Enable 2F?
14 days
21 days
28 days
30 days
How many applications of Ferbam Granuflo are allowed per year?
2 applications
3 applications
4 applications
5 applications
What is the maximum rate per acre for Gem 500 SC?
12.2 fl oz
13.2 fl oz
14.2 fl oz
15.2 fl oz
