Gce Model Questions Vol1 2023 Agricultural Science Question 8

Practice essay / theory question 8 from the 2023 Gce Model Questions Vol1 Agricultural Science examination. This question covers Plant Diseases, Disease Management, Epidemiology .

Gce Model Questions Vol1 2023 Agricultural Science Essay / Theory
Topics: Plant Diseases Disease Management Epidemiology
Question 8 GCE_MODEL_QUESTIONS_VOL1 • 2023 • AGRICULTURAL_SCIENCE • essay

A horticulturalist growing tomatoes in a greenhouse reports that several plants show wilting, yellowing of lower leaves, and a brown discoloration in the vascular tissue of the stem.

Question Parts

( a )
Identify the most likely disease and the causal pathogen, providing two pieces of evidence from the symptoms described.
( b )
Explain the disease cycle of the pathogen, emphasizing the role of environmental conditions in the greenhouse that favour its spread.
( c )
Using the data collected over four weeks, calculate the percentage increase in disease incidence from week 1 to week 4. Data: Week 1 – 5 infected plants out of 80; Week 2 – 12 infected; Week 3 – 20 infected; Week 4 – 35 infected.

Detailed Solution & Marking Scheme

Get the step-by-step solution, key points required by examiners and detailed marking guidance through the Edcrib AI Tutor.

Reveal Answer

About This Question

This is Gce Model Questions Vol1 2023 Agricultural Science Question 8. It is one of the essay questions from the 2023 Gce Model Questions Vol1 Agricultural Science examination.

The question covers Plant Diseases, Disease Management, Epidemiology .

View More Gce Model Questions Vol1 2023 Agricultural Science Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

Master the Exam!

You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.

Unlock Full Access Available for Android & Windows
Chat with Support