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

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Field Guide of Discovery-based Exercises for Organic Vegetable Production
Black cutworm is a lepidopterous pest of vegetables whose blackish larva remains buried below surface of
ground level and attacks root and base of crop during first two weeks of crop growth.
Borer insects refer to a group of destructive insects whose immature stages bore or make tunnels on fruit or
stem of plant.
Brainstorming is a basic and highly popular tool for group problem solving. It can be used to identify
problems, to suggest causes for problems and to propose solutions for problems. The technique
emphasizes deferred judgment and quantity to get quality.
Cabbage butterfly is a butterfly whose caterpillar feeds and produces big holes on the foliage of cabbage and
other cruciferous crops.
Cabbage moth is a brownish gray pyralid moth whose larva attacks the growing point, which often results to nonformation
of head or perforations on leaves of cabbage and other cruciferous crops during heavy infestation.
Cage trap is a type of trapping material made of appropriate wire mess, which is used in collecting and
controlling field and house rats.
Calcium phosphate (CP) is an organic foliar spray derived from bones of grass-eating animals. It serves as
flower inducer and strengthens flowers of crops
Calendar insecticide application means any scheduled insecticide treatment undertaken with no
consideration for pest density or anticipated crop loss.
Case study is a technique designed to give group training in solving problems and making decisions. The
facilitator’s role is typically catalytic rather than didactic.
Certified seed is a high quality seed intended for commercial planting that passes through a seed certification
standard of National Seed Industry Council in terms of genetic purity and identity. A certified seed is
classified by a certifying agency depending upon its quality either as a breeder, a foundation, a registered,
a certified, or a good seed.
Chemical control means any strategy or method that employs the application of any pesticide to control pests.
Chewing insects refer to a group of destructive insects whose destructive stages have mandibulate or chewing
mouthparts.
Club root is a fungal disease of crucifers causing swelling of the roots with characteristic club-like shapes
and a reduction of fine lateral roots. The later reduces ability to absorb water resulting to stunted growth
and death of plants under dry climatic conditions.
Common cutworm is a lepidopterous pest of vegetables whose greenish to blackish-brown larva is voracious
feeder and feed actively at night. Damage consists of feeding on young and mature leaves of host making
large holes on leaf blade.