WorksheetsCitrus Blight Quiz
Total questions: 10
Worksheet time: 5mins
Which method is used to test water uptake into the trunk for diagnosing citrus blight?
Soil moisture test
Leaf moisture test
Trunk injection with a syringe
Root moisture test
Which trees are most severely affected by citrus blight?
Sweet orange and sour orange
Lemon and lime
Grapefruit and tangerine
Kumquat and pomelo
What is the best time to practice trunk injection for diagnosing citrus blight?
Summer months
Winter months
Spring months
Autumn months
Which rootstocks are most severely affected by citrus blight?
Rough lemon and Rangpur lime
Sweet orange and sour orange
Grapefruit and tangerine
Lemon and lime
What is the significance of accurate diagnosis in citrus blight?
To increase fruit size
To prevent leaf drop
To follow proper practices
To enhance root growth
Which rootstock is recommended if phytophthora root rot is not present in the grove?
Carrizo citrange
Cleopatra mandarin
Rough lemon
Swingle citrumelo
What happens to blighted trees after severe pruning?
They fully recover
They temporarily recover but decline again
They become immune to blight
They produce more fruit
Why is antibiotic injection for HLB ineffective when trees cannot uptake water?
It causes more harm than good
It is too expensive
The trees cannot absorb the treatment
It only works on young trees
What should be done with trees that develop blight at an early age?
Leave them to recover naturally
Prune them regularly
Remove and replace them as soon as they become unproductive
Use chemical treatments
Which of the following is NOT a recommended rootstock for planting or replacing trees?
Cleopatra mandarin
Carrizo citrange
Rough lemon
Valencia orange
