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

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286 Field Guide of Discovery-based Exercises for Organic Vegetable Production ❏ What other management strategies can you employ to complement mulching in reducing pest and disease occurrence? What other benefits can you derive from mulching in organic vegetable production?
Section 5 • Integrated Disease Management Exercise No. 5.11 194 LEAF REMOVAL AND PROPER DISPOSAL AS A DISEASE MANAGEMENT STRATEGY AGAINST LEAF DISEASES OF ORGANICALLY-GROWN VEGETABLES BaCKGroUND aND raTIoNalE In certain instances, removal of entire plants is unnecessary. Satisfactory control can be achieved by simply removing and disposing properly diseased foliage of organic vegetable crops 195 . For instance, lower leaves of snap bean and garden pea are removed and burned to control powdery mildew and bean rust. Potato foliage affected with late blight is dehaulmed and destroyed by burning to prevent inoculums from reaching tubers. Farmers, as an effective management approach against purple blotch disease, report removal and proper disposal of outermost fungus-infected leaves of green onion and leek. In many FFSs conducted in Benguet and Mountain Province, leaf removal is normally shared as a common practice of farmers in managing moderate leaf disease infections in their organic vegetable farms. It is their experience that removal of infected leaves at earlier stage of disease development can effectively prevent spread of these diseases to other plants or plant parts. This exercise was designed so those organic farmers can share their best experiences in employing leaf removal and their proper disposal as a management strategy against leaf diseases of organicallygrown vegetables. How long will this exercise take? • Thirty minutes to one hour field walks, observations, and interaction with farmers and handson in learning field; and • Thirty minutes brainstorming session in processing area. 194 Adapted from Callo, Jr., D.P., L.B. Teofilo, and H.A. Tauli (eds). 2002. Field Guide of Discovery-based Exercises for Vegetable IPM, Volume II. SEAMEO Regional Center for Graduate Study and Research in Agriculture (SEARCA), Los Baños, Laguna, Philippines. pp247-249. 195 Quebral, F.C. 1988. What one should know about plant diseases. University of the Philippines Los Baños, College, Laguna, Philippines. pp18-20. 287 when is this exercise most appropriate? ɶ In FFS, TOT, and VST sessions, when there are early symptoms of leaf diseases on vegetables organically-grown in learning and adjoining fields; and ɶ When farmers want to learn innovative practices of leaf removal and disposal from others as a management strategy against leaf diseases of organicallygrown vegetables.
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FFS CURRICULUM ON ORGANIC VEGETABLE
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Section 2 GENERAL TOPICS FOR FARMER
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Exercise No. 2.01 12 WHAT IS IN A B
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learning objectives 12 Field Guide
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Exercise No. 2.02 17 GATHERING AND
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5 Approaches and methods to use in
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1. 2. 3. 4. 5. 6. Vegetable Crop Co
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How long will this exercise take? 2
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Exercise No. 2.04 21 ‘BALLOT BOX
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5 Parsley (e.g., carrot and celery)
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materials 36 Field Guide of Discove
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NATURAL ENEMIES OVG 1 40 Field Guid
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Exercise No. 2.07 32 kEEPING RECORD
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LIVING SOIL AND INTEGRATED SOIL NUT
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Exercise No. 3.01 45 LIVING SOIL: A
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Exercise No. 3.02 47 BARANGAY SOIL
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methodology • Field walks, hands-
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Exercise No. 3.03 50 SOIL PROFILE A
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Exercise No. 3.04 SOIL SAMPLING AND
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For Assessing Soil Fertility (Optio
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Exercise No. 3.05 53 THE ‘FEEL ME
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some suggested questions for proces
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Producing Vermi-compost: 88 Field G
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Exercise No. 3.10 ORGANIC FOLIAR SP
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For Fermented Fruit Juice (FFJ) a.
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For Fermented Fruit Juice (FFJ) 94
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Exercise No. 3.13 UNDERSTANDING ACT
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methodology • Field walks and bra
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Exercise No. 3.14 81 MAINTAINING SO
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Exercise No. 3.16 85 BENCH TERRACIN
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Exercise No. 3.17 88 VERNALIZATION
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materials 122 Field Guide of Discov
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Exercise No. 3.19 92 HYDROIZATION O
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Exercise No. 3.21 97 PRICkING-OFF T
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some suggested question for process
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Exercise No. 3.23 101 GROWING IN EA
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Exercise No. 3.26 104 THINNING AS A
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Exercise No. 3.28 108 CROP SEQUENCI
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Exercise No. 3.30 112 CULTURAL MANA
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Exercise No. 4.01 127 BRUSHING OR S
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Exercise No. 4.03 131 HAND PICkING
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Exercise No. 4.05 135 TRAPPING AS A
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Exercise No. 4.07 142 TIMING OF PLA
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BIOLOGICAL CONTROL OF INSECT PESTS
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Exercise No. 4.10 148 SPRAYING CHIL
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(d) Collection and Use of NPV-infec
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ate of release: 226 Field Guide of
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Exercise No. 4.14 155 FIELD-COLLECT
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Page 264 and 265: INTEGRATED RODENT MANAGEMENT 240 Fi
Page 270 and 271: learning objectives 246 Field Guide
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Page 278 and 279: Section 5 INTEGRATED DISEASE MANAGE
Page 280 and 281: Exercise No. 5.01 174 DISEASE TRIAN
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Page 304 and 305: some suggested questions for proces
Page 308 and 309: Exercise No. 5.10 191 MULCHING AS A
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Exercise No. 6.05 226 SANITATION AS
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Exercise No. 6.06 228 PRUNING AS AN
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5 Pest-infested foliage or other pl
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Exercise No. 6.08 233 CROP ROTATION
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Exercise No. 7.03 246 SEED SELECTIO
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5 Maturity (e.g., number of days fr
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Exercise No. 7.04 PARTICIPATORY PLA
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Exercise No. 7.05 250 DETERMINING R
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Exercise No. 7.07 PROPER HARVESTING
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Exercise No. 7.08 VILLAGE GENEBANk
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Exercise No. 7.09 258 POST-HARVEST
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Exercise No. 7.10 260 MAINTAINING Q
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ORGANIC VEGETABLE PRODUCT CERTIFICA
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Exercise No. 8.01 UNDERSTANDING ORG
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Exercise No. 8.02 UNDERSTANDING SEC
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MARkETING OF ORGANICALLY-GROWN VEGE
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methodology • Field visit, mini-w
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Participatory Discussion: 414 Field
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Exercise No. 8.05 UNDERSTANDING MAR
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Mini-workshop: 420 Field Guide of D
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Glossary 428 Field Guide of Discove
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Technical Experts: 460 Field Guide
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