CROP PESTS AND DISEASES

Definition and classification of crop pests

By the end of the lesson, the learner should be able to:
Define a crop pest. State harmful effects of crop pests on crops. Classify pests according to mode of feeding, crops attacked, and development stages. Distinguish between major and minor pests.

Exposition of pest concepts. Discussion on pest effects and classification. Question and answer session on pest types.

Pictures of various crop pests, charts showing pest classification and damage

KLB BK III Pg 175-177

CROP PESTS AND DISEASES

Field insect pests - biting and chewing
Field insect pests - piercing and sucking

By the end of the lesson, the learner should be able to:
Identify insects with biting and chewing mouth parts. Give examples of biting and chewing pests. Describe damage caused by biting insects. Draw and label mouth parts of a locust.

Examining pictures of biting insects. Drawing and labeling locust mouth parts. Discussion on damage patterns to different plant parts.

Pictures of locusts, army worms, cutworms, bollworms, diagrams of insect mouth parts
Pictures of aphids, scales, thrips, mealy bugs, charts showing disease transmission table

KLB BK III Pg 177-180

CROP PESTS AND DISEASES

Other field pests
Storage pests

By the end of the lesson, the learner should be able to:
Describe characteristics of mites and nematodes as crop pests. Identify common rodent and bird pests affecting crops. Explain damage caused by these pests to field crops. Describe large animal pests including domestic and wild animals.

Brain storming on microscopic and large pests. Discussion on rodent and bird identification. Examination of pictures showing various pest damage symptoms.

Pictures of mite damage, nematode galls, rodents, bird pests, large animals affecting crops
Storage pest specimens, damaged grain samples, pictures of various storage pests

KLB BK III Pg 182-186

CROP PESTS AND DISEASES

Legislative and physical pest control methods
Cultural pest control methods
Chemical pest control

By the end of the lesson, the learner should be able to:
Define legislative pest control methods and explain quarantine importance. Describe physical pest control methods including heat treatment, flooding, and suffocation. Explain use of electromagnetic radiation and physical barriers. State advantages of physical control methods.

Exposition of legislative control importance. Discussion and demonstration of physical control principles. Brain storming on physical control applications.

Government quarantine documents, thermometers, charts showing physical control methods
Charts showing crop rotation cycles, pictures of trap crops, resistant variety samples, clean seeds
Sample pesticide containers, charts showing pesticide classification, application equipment

KLB BK III Pg 187-189

CROP PESTS AND DISEASES

Biological pest control and crop disease introduction

By the end of the lesson, the learner should be able to:
Define biological pest control and explain predator-prey relationships. Give examples of natural enemies of common pests. Define crop disease and state harmful effects. Identify food poisoning effects of crop diseases.

Discussion on natural pest control and predator-prey examples. Exposition of disease concepts and effects. Brain storming on biological control benefits.

Pictures of beneficial insects, predator-prey relationship charts, diseased plant samples

KLB BK III Pg 195-197

CROP PESTS AND DISEASES

Fungal diseases

By the end of the lesson, the learner should be able to:
Describe characteristics of fungi as disease-causing agents. Classify parasitic fungi into main groups. Explain late blight disease of potatoes and tomatoes. Describe rust and smut diseases of cereals.

Exposition of fungal characteristics and classification. Discussion on major fungal diseases. Examination of infected plant specimens.

Pictures of fungal structures, infected potato leaves, rusted plants, smut-infected crops

KLB BK III Pg 197-201

CROP PESTS AND DISEASES

Coffee berry disease and other fungal diseases

By the end of the lesson, the learner should be able to:
Explain coffee berry disease symptoms, conditions favoring infection, and control methods. Identify other common fungal diseases including powdery mildew and fusarium wilt. Compare different fungal disease symptoms and control strategies.

Case study of coffee berry disease. Discussion on disease conditions and control. Examination of infected coffee berries and other specimens.

Pictures of infected coffee berries, charts showing disease cycle, fungal disease specimens

KLB BK III Pg 201-203

CROP PESTS AND DISEASES

Viral diseases
Bacterial diseases and nutritional disorders

By the end of the lesson, the learner should be able to:
Describe characteristics of viruses as obligate parasites. Identify symptoms of viral infections including chlorosis, mosaics, and rosetting. Explain viral disease transmission by insect vectors. Give examples of common viral diseases affecting crops.

Exposition of viral characteristics. Discussion on viral symptoms and transmission. Examination of virus-infected plant specimens.

Pictures of mosaic-infected plants, charts showing viral transmission, infected cassava and tobacco samples
Pictures of bacterial-infected plants, nutrient-deficient plants, charts showing various disease symptoms

KLB BK III Pg 203-204

CROP PESTS AND DISEASES

Cultural control of crop diseases

By the end of the lesson, the learner should be able to:
Identify cultural methods of disease control including field hygiene and clean planting materials. Explain proper spacing, heat treatment, and crop rotation for disease control. Describe use of disease-resistant varieties. State advantages of cultural disease control.

Brain storming on cultural disease control methods. Discussion on hygiene importance and resistant varieties. Demonstration of proper spacing principles.

Charts showing cultural control methods, disease-resistant variety samples, clean farming tools

KLB BK III Pg 206-207

CROP PESTS AND DISEASES

Chemical and legislative control of diseases

By the end of the lesson, the learner should be able to:
Explain chemical control methods including seed dressing, soil fumigation, and spraying. Describe legislative control methods for disease prevention. Discuss integrated disease management approaches. Evaluate effectiveness of different disease control methods.

Discussion on chemical control applications. Exposition of legislative disease control measures. Brain storming on integrated disease management strategies.

Fungicide samples, spraying equipment, government regulation documents, integrated management charts

KLB BK III Pg 207-208

CROP PRODUCTION VI (FIELD PRACTICES II)

Maize - ecological requirements and varieties
Maize - land preparation and planting
Maize - field operations

By the end of the lesson, the learner should be able to:
Outline ecological requirements for maize production. Identify different maize varieties grown in Kenya. Distinguish between hybrids and composites. Explain adaptation of varieties to specific ecological zones.

Exposition of maize growing conditions. Discussion on variety selection. Examination of different maize varieties.

Charts showing ecological zones, maize variety samples, maps of Kenya showing maize growing areas
Farm tools, certified maize seeds, measuring equipment, charts showing planting procedures
Fertilizer samples, calculators, charts showing application methods, herbicide containers

KLB BK III Pg 198-200

CROP PRODUCTION VI (FIELD PRACTICES II)

Maize - pest and disease control
Finger millet production

By the end of the lesson, the learner should be able to:
Identify major pests affecting maize including stalk borers and army worms. Describe damage caused by maize pests. Explain control methods for maize pests. State symptoms and control of maize diseases.

Examination of pest-damaged maize specimens. Discussion on pest identification. Brain storming on control methods.

Pictures of maize pests, damaged maize plants, pest control chemicals
Finger millet samples, charts showing ecological requirements, pictures of finger millet fields

KLB BK III Pg 202-204

CROP PRODUCTION VI (FIELD PRACTICES II)

Finger millet - field management and pest control
Bulrush millet and sorghum production

By the end of the lesson, the learner should be able to:
Describe fertilizer application in finger millet. Explain weed control challenges in finger millet. Identify pests and diseases affecting finger millet. Outline harvesting and storage methods.

Discussion on field management. Brain storming on pest control. Exposition of harvesting methods.

Fertilizer samples, finger millet storage containers, pictures of head blast disease
Bulrush millet and sorghum samples, charts comparing crop characteristics

KLB BK III Pg 206-207

CROP PRODUCTION VI (FIELD PRACTICES II)

Sorghum - pest and disease control
Beans production

By the end of the lesson, the learner should be able to:
Identify major pests of sorghum including birds and stem borers. Describe control methods for sorghum pests. Explain diseases affecting sorghum. Outline harvesting and marketing of sorghum.

Discussion on bird pest problems. Examination of pest-damaged sorghum. Brain storming on control strategies.

Pictures of quelea birds, damaged sorghum plants, sorghum harvesting tools
Different bean variety samples, charts showing ecological requirements

KLB BK III Pg 210-211

CROP PRODUCTION VI (FIELD PRACTICES II)

Beans - field operations and pest control

By the end of the lesson, the learner should be able to:
Describe field operations in beans including weeding and irrigation. Identify pests and diseases affecting beans. Explain control methods for bean diseases including halo blight and anthracnose. Outline harvesting methods for dry and green beans.

Discussion on field management. Case study of bean diseases. Brain storming on disease control.

Pictures of bean diseases, diseased bean specimens, irrigation equipment

KLB BK III Pg 212-214

CROP PRODUCTION VI (FIELD PRACTICES II)

Rice production

By the end of the lesson, the learner should be able to:
Outline ecological requirements for rice production. Describe rice irrigation schemes in Kenya. Explain land preparation and water control in rice. State fertilizer application methods in rice production.

Exposition of rice growing conditions. Discussion on irrigation importance. Case study of Mwea rice scheme.

Maps showing rice schemes, pictures of rice fields, water control equipment

KLB BK III Pg 214-215

CROP PRODUCTION VI (FIELD PRACTICES II)

Harvesting of industrial crops - cotton and pyrethrum

By the end of the lesson, the learner should be able to:
Describe harvesting methods and procedures for cotton. Explain grading of cotton during harvesting. Outline harvesting methods for pyrethrum flowers. State precautions during harvesting of these crops.

Demonstration of cotton grading. Discussion on harvesting procedures. Brain storming on quality maintenance.

Cotton samples showing different grades, pyrethrum flowers, harvesting baskets

KLB BK III Pg 215-217

CROP PRODUCTION VI (FIELD PRACTICES II)

Harvesting of industrial crops - sugarcane and coffee
Harvesting of industrial crops - tea

By the end of the lesson, the learner should be able to:
Describe harvesting methods for sugarcane including maturation indicators. Explain procedures for coffee cherry harvesting. State quality factors in coffee harvesting. Outline precautions during harvesting of tree crops.

Discussion on crop maturation signs. Examination of coffee cherries at different stages. Brain storming on quality maintenance.

Sugarcane samples, coffee cherries at different ripeness stages, harvesting tools
Tea plucking stick, tea baskets, fresh tea specimens showing different plucking standards

KLB BK III Pg 217-218

FORAGE CROPS

Introduction and pasture classification
Pasture establishment and planting materials

By the end of the lesson, the learner should be able to:
Define forage crops and distinguish between forage and fodder crops. Define pasture and classify pastures according to stand, establishment and ecological zones. Explain the difference between natural and artificial pastures. Give examples of pastures at different altitudes.

Exposition of forage concepts. Discussion on pasture classification. Examination of grass and legume specimens from different zones.

Charts showing pasture classification, specimens of grasses and legumes, altitude maps
Farm tools, pasture seeds, rhizomes, splits, charts showing sowing methods

KLB BK III Pg 218-222

FORAGE CROPS

Fertilizer application and legume inoculation
Pasture management practices

By the end of the lesson, the learner should be able to:
Explain fertilizer application at planting time for pastures. Describe legume seed inoculation process and importance. Give examples of rhizobium strains for different legumes. State conditions necessary for effective nitrogen fixation.

Exposition of fertilizer importance and inoculation process. Demonstration of inoculation procedure. Discussion on nitrogen fixation benefits.

Fertilizer samples, rhizobium inoculant, charts showing nitrogen fixation, legume nodules
Pictures of pasture weeds, fertilizer samples, slashing tools, charts showing management practices

KLB BK III Pg 226-227

FORAGE CROPS

Pasture utilization and defoliation
Carrying capacity and grazing systems

By the end of the lesson, the learner should be able to:
Explain factors affecting forage quality including digestibility. Describe effects of early and late defoliation on pastures. Define frequency and intensity of defoliation. State proper grazing intervals for different pastures.

Exposition of forage quality factors. Discussion on defoliation effects and optimal timing. Brain storming on grazing management.

Charts showing defoliation effects, pasture quality samples, grazing schedules
Calculators, carrying capacity charts, paddocking diagrams, pictures of grazing methods

KLB BK III Pg 230-232

FORAGE CROPS

Napier grass production
Other fodder crops
Agroforestry fodder and conservation introduction

By the end of the lesson, the learner should be able to:
Outline ecological requirements for napier grass. Distinguish between French Cameroon and Bana grass varieties. Describe land preparation and planting procedures. Explain fertilizer application, weed control and defoliation management.

Exposition of napier grass characteristics. Discussion on variety selection and management. Demonstration of planting procedures.

Napier grass specimens, stem cuttings with nodes, fertilizer samples, cutting tools
Guatemala grass specimens, mangold samples, clover and lucerne specimens, desmodium varieties
Leucaenia and calliandra samples, charts showing conservation methods, seasonal feed charts

KLB BK III Pg 237-240

FORAGE CROPS

Hay making

By the end of the lesson, the learner should be able to:
Describe hay making procedures and steps. Outline factors determining hay quality including species and harvesting stage. Explain proper drying and storage methods for hay. State advantages and disadvantages of hay making.

Discussion on hay making steps. Exposition of quality factors. Brain storming on quality maintenance during storage.

Hay samples, charts showing hay making process, storage equipment diagrams

KLB BK III Pg 245-247

FORAGE CROPS

Silage making and silo types
Silage quality and requirements calculation

By the end of the lesson, the learner should be able to:
Describe silage making process and advantages over hay. Compare different types of silos including trench, clamp and tower silos. Explain steps followed in making silage. State principles of silage preservation and fermentation.

Discussion on silage advantages. Examination of silo diagrams. Exposition of fermentation principles and preservation.

Charts showing silo types, silage samples, fermentation diagrams, pH testing materials
Calculators, silage quality charts, additive samples, measurement tools, calculation worksheets

KLB BK III Pg 247-249