Field Guide of Discovery-based Exercises for - Aseanipm ...

Section 5 • Integrated Disease Management
3. Facilitate each farmer to do hands-on of leaf removal when early infection of leaf diseases is
observed in learning field by improving the procedure below:
5 Determine if there are early symptoms of leaf diseases in learning field;
5 If there are early symptoms, remove all disease-infected leaves;
5 Dispose off all foliage removed and other plant debris properly; and
5 Take note of all relevant observations and experiences during the activity.
4. Synthesize and summarize output of small groups into one big group output. Draw up
conclusions and recommendations from this exercise.
some suggested questions for processing discussion
❏ Did you observe vegetable crops showing early symptoms of leaf diseases in learning and
adjoining fields?
❏ Did you observe any farmer practicing leaf removal to control early infection of leaf diseases
in the field?
❏ What leaf diseases can be effectively controlled by leaf removal? Is leaf removal applicable
to all vegetables with leaf diseases? When is the best time to do leaf removal to control leaf
diseases?
❏ Did you observe any innovative practices by farmers in leaf removal to control leaf diseases of
organically-grown vegetables?
❏ Did you observe lesser degree of disease infection when leaf removal was practiced to control
leaf diseases?
❏ What other cultural management options can you use to complement leaf removal as a control
strategy against leaf diseases of organically-grown vegetables?
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