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

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5. Draw up conclusions and recommendation from this exercise. some suggested questions for processing discussion 274 Field Guide of Discovery-based Exercises for Organic Vegetable Production ❏ When is the best time to prepare and sterilize seedbed by hot water treatment? Why? ❏ Did you observe differences in percentage seed germination, seedling vigor, pest and disease occurrence, etc., in hot water treated and untreated seedbeds? ❏ Were there variations or modifications made by each group to common procedures used in sterilizing seedbed by hot water treatment? Why? Did variations or modifications improve effectiveness of method? ❏ Did sterilizing seedbed by hot water treatment reduce occurrence of soil-borne vegetable diseases? Was it cost efficient? Was it practical? What other benefits can you derived from soil sterilization? ❏ What other management strategies can you use, which will complement seedbed sterilization by hot water treatment, to reduce disease occurrence?
Section 5 • Integrated Disease Management Exercise No. 5.07 185 USING PROPER MEDIUM FOR SEEDBED PREPARATION TO CONTROL SOIL-BORNE DISEASES OF ORGANICALLY- GROWN VEGETABLES BaCKGroUND aND raTIoNalE Many vegetable farmers still produce their seedlings in seedbeds without using appropriate seedbed medium. This practice usually results in production of small and weak seedlings that are susceptible to attack by pests and diseases. Poor seedling growth and development in seedbeds is often associated with use of infertile and pathogen infected soils. Infertile soil medium cannot provide the right amount and kind of nutrient elements that are necessary at earlier stage of seedling development. On the other hand, use of pathogen contaminated soil medium may lead to early development of soil-borne diseases in vegetable plants, which may eventually result in low yield and poor quality product 186 . It is therefore important for organic farmers to understand and become aware of the advantages in using appropriate medium for seedbed preparation. Through field walks, observations and participatory sharing of experiences among farmers in farmer field schools (FFSs), their skills, and understanding of this cultural management practice can be further enriched, hence this exercise. How long will this exercise take? • One hour and 30 minutes for field walks, observations, and hands-on exercise in learning field; and • Thirty minutes to one hour of brainstorming session. learning objectives • To make organic farmers aware of and understand the importance of using appropriate seedbed medium to control soil-borne vegetable diseases; and • To learn better practices of other farmers and further improve their skills in using appropriate medium for seedbed preparation. 185 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. pp235-237. 186 Milagrosa, S.P. 1998. As cited in: 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. 366p. 275 when is this exercise most appropriate? ɶ In FFS, TOT, and VST sessions, two weeks before seedbed preparation in learning field; and ɶ When organic farmers want to learn better practices from other farmers regarding the use of appropriate medium for seedbed preparation.
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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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Exercise No. 6.02 220 324 Field Gui
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materials • Office supplies (e.g.
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Exercise No. 6.03 222 SURFACE IRRIG
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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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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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Glossary 428 Field Guide of Discove
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Technical Experts: 460 Field Guide
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