WEEDS AND WEED CONTROL

Weed Identification and Classification
Common Weeds in East Africa

By the end of the lesson, the learner should be able to:
Define a weed and give examples. Identify common weeds using botanical and common names. Classify weeds based on growth cycle (annual, biennial, perennial). Classify weeds based on plant morphology (narrow-leaved, broad-leaved).

Exposition of weed definition concepts. Discussion on weed identification methods. Drawing and labeling common weeds. Brief discussion on classification systems.

Charts showing common weeds. Weed identification guides. Drawing materials for weed illustrations. Classification system charts.
Pictures of common East African weeds. Weed characteristic charts. Competitive ability factor guides. Local weed examples.

KLB BK III Pgs 192-199

WEEDS AND WEED CONTROL

Competitive Ability of Weeds
Harmful Effects of Weeds

By the end of the lesson, the learner should be able to:
State factors contributing to competitive ability of weeds. Explain weed propagation methods. Describe environmental adaptation of weeds. Discuss weed survival mechanisms.

Discussion on weed competitive factors. Exposition of propagation methods. Brief discussion on environmental adaptation. Question and answer on survival mechanisms.

Weed propagation method charts. Environmental adaptation illustrations. Survival mechanism diagrams. Competitive factor identification guides.
Weed damage pictures. Crop quality comparison charts. Striga parasitism illustrations. Health effect information guides.

KLB BK III Pgs 200-202

WEEDS AND WEED CONTROL

More Harmful Effects and Benefits of Weeds
Chemical Weed Control - Introduction and Mode of Action
Classification of Herbicides - Formulation and Application Time
Factors Affecting Selectivity and Effectiveness of Herbicides

By the end of the lesson, the learner should be able to:
State effects of weeds on irrigation and aquatic systems. Explain effects on pasture quality. Describe beneficial effects of weeds. Discuss weeds as sources of food and medicine.
Classify herbicides by formulation (liquids, wettable powders). Classify herbicides by time of application (pre-emergence, post-emergence). Explain advantages of different formulations. State when to apply different herbicide types.

Discussion on aquatic weed problems. Exposition of pasture effects. Brief discussion on weed benefits. Question and answer on food and medicinal uses.
Discussion on herbicide formulations. Exposition of application timing. Brief discussion on formulation advantages. Question and answer on application timing.

Aquatic weed pictures (water hyacinth). Pasture quality comparison charts. Beneficial weed examples. Food and medicine use illustrations.
Weed control method charts. Herbicide action diagrams. Mode of action illustrations. Herbicide effect demonstrations.
Herbicide formulation examples. Application timing charts. Formulation advantage guides. Timing recommendation tables.
Selectivity factor charts. Effectiveness factor guides. Plant characteristic illustrations. Environmental factor diagrams.

KLB BK III Pgs 166-167
KLB BK III Pgs 205-206

WEEDS AND WEED CONTROL

Herbicide Combinations and Safety Precautions
Advantages and Disadvantages of Chemical Control

By the end of the lesson, the learner should be able to:
Give examples of herbicide combinations used in Kenya. State herbicide combinations for different crops. Highlight precautions when using herbicides. Explain safety measures for chemical handling.

Discussion on herbicide combinations for different crops. Exposition of safety precautions. Brief discussion on protective measures. Question and answer on safe handling.

Herbicide combination charts for different crops. Safety precaution guides. Protective equipment illustrations. Safe handling procedure charts.
Advantage/disadvantage comparison charts. Method comparison tables. Environmental effect illustrations. Chemical control evaluation guides.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL
CROP PESTS AND DISEASES

Mechanical Weed Control
Cultural, Biological and Legislative Control
Definition and classification of crop pests

By the end of the lesson, the learner should be able to:
State advantages of tillage as weed control method. Explain disadvantages of mechanical cultivation. Describe slashing and uprooting methods. Compare mechanical methods with chemical control.

Discussion on tillage advantages and disadvantages. Exposition of mechanical methods. Brief discussion on method comparisons. Question and answer on mechanical techniques.

Mechanical control tool pictures. Tillage advantage/disadvantage charts. Method comparison tables. Mechanical technique illustrations.
Cultural control method charts. Biological control examples. Legislative control illustrations. Noxious weed law information.
Pictures of various crop pests, charts showing pest classification and damage

KLB BK III Pgs 209-210

CROP PESTS AND DISEASES

Field insect pests - biting and chewing
Field insect pests - piercing and sucking
Other field pests
Storage pests
Legislative and physical pest control methods
Cultural pest control methods
Chemical pest control
Biological pest control and crop disease introduction

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.
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.

Examining pictures of biting insects. Drawing and labeling locust mouth parts. Discussion on damage patterns to different plant parts.
Exposition of legislative control importance. Discussion and demonstration of physical control principles. Brain storming on physical control applications.

Pictures of locusts, army worms, cutworms, bollworms, diagrams of insect mouth parts
Pictures of aphids, scales, thrips, mealy bugs, charts showing disease transmission table
Pictures of mite damage, nematode galls, rodents, bird pests, large animals affecting crops
Storage pest specimens, damaged grain samples, pictures of various storage pests
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
Pictures of beneficial insects, predator-prey relationship charts, diseased plant samples

KLB BK III Pg 177-180
KLB BK III Pg 187-189

CROP PESTS AND DISEASES

Fungal diseases
Coffee berry disease and other 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
Pictures of infected coffee berries, charts showing disease cycle, fungal disease specimens

KLB BK III Pg 197-201

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
CROP PRODUCTION VI (FIELD PRACTICES II)

Cultural control of crop diseases
Chemical and legislative control of diseases
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:
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.
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.

Brain storming on cultural disease control methods. Discussion on hygiene importance and resistant varieties. Demonstration of proper spacing principles.
Exposition of maize growing conditions. Discussion on variety selection. Examination of different maize varieties.

Charts showing cultural control methods, disease-resistant variety samples, clean farming tools
Fungicide samples, spraying equipment, government regulation documents, integrated management charts
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 206-207
KLB BK III Pg 198-200

CROP PRODUCTION VI (FIELD PRACTICES II)

Maize - pest and disease control
Finger millet production
Finger millet - field management and pest control
Bulrush millet and sorghum 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
Fertilizer samples, finger millet storage containers, pictures of head blast disease
Bulrush millet and sorghum samples, charts comparing crop characteristics

KLB BK III Pg 202-204

CROP PRODUCTION VI (FIELD PRACTICES II)

Sorghum - pest and disease control
Beans production
Beans - field operations and pest control

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
Pictures of bean diseases, diseased bean specimens, irrigation equipment

KLB BK III Pg 210-211

CROP PRODUCTION VI (FIELD PRACTICES II)

Rice production
Harvesting of industrial crops - cotton and pyrethrum
Harvesting of industrial crops - sugarcane and coffee
Harvesting of industrial crops - tea

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.
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.

Exposition of rice growing conditions. Discussion on irrigation importance. Case study of Mwea rice scheme.
Discussion on crop maturation signs. Examination of coffee cherries at different stages. Brain storming on quality maintenance.

Maps showing rice schemes, pictures of rice fields, water control equipment
Cotton samples showing different grades, pyrethrum flowers, harvesting baskets
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 214-215
KLB BK III Pg 217-218

FORAGE CROPS

Introduction and pasture classification
Pasture establishment and planting materials
Fertilizer application and legume inoculation
Pasture management practices

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
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 218-222

FORAGE CROPS

Pasture utilization and defoliation
Carrying capacity and grazing systems
Napier grass production
Other fodder crops

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
Napier grass specimens, stem cuttings with nodes, fertilizer samples, cutting tools
Guatemala grass specimens, mangold samples, clover and lucerne specimens, desmodium varieties

KLB BK III Pg 230-232

FORAGE CROPS
FORAGE CROPS
LIVESTOCK HEALTH III

Agroforestry fodder and conservation introduction
Hay making
Silage making and silo types
Silage quality and requirements calculation
Introduction to livestock diseases and observable conditions

By the end of the lesson, the learner should be able to:
Outline establishment and utilization of agroforestry shrubs as fodder. Explain reasons for conserving forage including seasonal feed distribution. State methods of forage conservation. Compare hay, silage and standing forage conservation.
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 agroforestry benefits. Exposition of conservation importance. Brain storming on conservation method selection.
Discussion on silage advantages. Examination of silo diagrams. Exposition of fermentation principles and preservation.

Leucaenia and calliandra samples, charts showing conservation methods, seasonal feed charts
Hay samples, charts showing hay making process, storage equipment diagrams
Charts showing silo types, silage samples, fermentation diagrams, pH testing materials
Calculators, silage quality charts, additive samples, measurement tools, calculation worksheets
Charts showing disease symptoms, thermometer, pictures of sick animals, disease organism diagrams

KLB BK III Pg 244-245
KLB BK III Pg 247-249

LIVESTOCK HEALTH III

Terms used in livestock diseases
Classification and protozoan diseases - ECF and anaplasmosis
Protozoan diseases - coccidiosis and trypanosomiasis
Bacterial diseases - mastitis

By the end of the lesson, the learner should be able to:
Define incubation period and mortality in disease outbreaks. Distinguish between curative and preventive treatment. Explain natural and artificial immunity types. Describe vaccines and their mode of action.

Exposition of disease terminology. Discussion on immunity types. Brain storming on treatment approaches. Question and answer on disease terms.

Charts showing immunity types, vaccine samples, timeline charts for incubation periods
Disease classification charts, tick specimens, pictures of ECF symptoms, maps showing disease distribution
Pictures of coccidiosis symptoms, tsetse fly specimens, maps showing trypanosomiasis areas, drug samples
Pictures of mastitis symptoms, milk samples showing mastitis, milking equipment, antibiotic samples

KLB BK III Pg 251-252

LIVESTOCK HEALTH III

Bacterial diseases - fowl typhoid and foot rot
Bacterial diseases - contagious abortion and scours
Bacterial diseases - black quarter, anthrax and pneumonia
Viral diseases - rinderpest and foot and mouth disease

By the end of the lesson, the learner should be able to:
Describe fowl typhoid symptoms and control in poultry. Explain foot rot in cloven-hoofed animals. Identify predisposing factors for foot rot including wet conditions. State control measures including foot baths and hoof trimming.

Discussion on poultry diseases. Examination of foot rot symptoms. Demonstration of hoof trimming principles. Brain storming on hygiene importance.

Pictures of fowl typhoid symptoms, foot rot specimens, hoof trimming tools, foot bath chemicals
Charts showing brucellosis transmission, pictures of scours symptoms, vaccination schedules, hygiene materials
Pictures of black quarter symptoms, anthrax control procedures, vaccination equipment, ventilation diagrams
Pictures of rinderpest symptoms, foot and mouth disease lesions, quarantine procedures, vaccination records

KLB BK III Pg 257-259

LIVESTOCK HEALTH III

Viral diseases - Newcastle, fowl pox and Gumboro
Viral diseases - African swine fever
Nutritional disorders - milk fever and bloat

By the end of the lesson, the learner should be able to:
Describe Newcastle disease symptoms and high mortality. Explain fowl pox types including cutaneous and diphtheritic forms. Describe Gumboro disease affecting immune system. State control measures for poultry viral diseases.
Describe milk fever as calcium deficiency in dairy cows. Explain symptoms including muscle twitching and paralysis. Describe bloat as gas accumulation in rumen. Outline treatment methods including calcium injection and gas release techniques.

Discussion on poultry viral diseases. Examination of fowl pox lesions. Brain storming on vaccination schedules. Case study of Gumboro (poultry AIDS).
Discussion on nutritional disorders. Demonstration of calcium injection principles. Brain storming on nutritional management. Case study of bloat treatment.

Pictures of Newcastle symptoms, fowl pox lesions, Gumboro symptoms, poultry vaccination equipment
Pictures of African swine fever symptoms, pig management charts, quarantine procedures, disease control equipment
Calcium injection equipment, charts showing milk fever symptoms, bloat treatment tools, nutritional supplements

KLB BK III Pg 265-267
KLB BK III Pg 268-270