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

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.

KLB BK III Pgs 200-202

WEEDS AND WEED CONTROL

Harmful Effects of Weeds
More Harmful Effects and Benefits of Weeds

By the end of the lesson, the learner should be able to:
Highlight harmful effects of weeds on crops. State how weeds reduce crop quality. Explain parasitic effects of weeds. Describe effects on livestock and human health.

Brain storming on weed damage to crops. Discussion on quality reduction effects. Exposition of parasitic weeds (Striga). Brief discussion on health effects.

Weed damage pictures. Crop quality comparison charts. Striga parasitism illustrations. Health effect information guides.
Aquatic weed pictures (water hyacinth). Pasture quality comparison charts. Beneficial weed examples. Food and medicine use illustrations.

KLB BK III Pgs 166-167

WEEDS AND WEED CONTROL

Chemical Weed Control - Introduction and Mode of Action

By the end of the lesson, the learner should be able to:
Outline methods of weed control. Define herbicides and their uses. Explain different modes of action of herbicides. Describe how herbicides kill weeds.

Brain storming on weed control methods. Discussion on herbicide concepts. Exposition of herbicide action modes. Brief discussion on weed killing mechanisms.

Weed control method charts. Herbicide action diagrams. Mode of action illustrations. Herbicide effect demonstrations.

KLB BK III Pgs 203-204

WEEDS AND WEED CONTROL

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:
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 herbicide formulations. Exposition of application timing. Brief discussion on formulation advantages. Question and answer on application timing.

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 205-206

WEEDS AND WEED CONTROL

Herbicide Combinations and Safety Precautions

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.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL

Advantages and Disadvantages of Chemical Control
Mechanical Weed Control

By the end of the lesson, the learner should be able to:
State advantages of using herbicides. Identify disadvantages of chemical weed control. Compare chemical control with other methods. Discuss environmental concerns of herbicide use.

Brain storming on herbicide advantages. Discussion on chemical control disadvantages. Exposition of method comparisons. Brief discussion on environmental effects.

Advantage/disadvantage comparison charts. Method comparison tables. Environmental effect illustrations. Chemical control evaluation guides.
Mechanical control tool pictures. Tillage advantage/disadvantage charts. Method comparison tables. Mechanical technique illustrations.

KLB BK III Pgs 208-209

WEEDS AND WEED CONTROL

Cultural, Biological and Legislative Control

By the end of the lesson, the learner should be able to:
Identify cultural methods of weed control. Define biological weed control and give examples. Explain legislative methods of weed control. Describe noxious weed laws in Kenya.

Brain storming on cultural control methods. Discussion on biological control examples. Exposition of legislative control. Brief discussion on noxious weed laws.

Cultural control method charts. Biological control examples. Legislative control illustrations. Noxious weed law information.

KLB BK III Pgs 210-211

CROP PESTS AND DISEASES

Definition and classification of crop pests
Field insect pests - biting and chewing
Field insect pests - piercing and sucking

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
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 175-177

CROP PESTS AND DISEASES

Other field pests
Storage pests
Legislative and physical pest control methods

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
Government quarantine documents, thermometers, charts showing physical control methods

KLB BK III Pg 182-186

CROP PESTS AND DISEASES

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 cultural methods of pest control including timely planting and harvesting. Explain crop rotation, trap cropping, and field hygiene practices. Describe use of resistant varieties and clean planting materials. State advantages of cultural control methods.

Brain storming on farming practices for pest control. Discussion on cultural control effectiveness. Case studies of successful cultural control examples.

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 189-192

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
Viral 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
Pictures of mosaic-infected plants, charts showing viral transmission, infected cassava and tobacco samples

KLB BK III Pg 201-203

CROP PESTS AND DISEASES

Bacterial diseases and nutritional disorders

By the end of the lesson, the learner should be able to:
Describe characteristics of bacteria as facultative parasites. Explain bacterial blight of coffee symptoms and control. Identify symptoms of nutritional disorders in crops. Distinguish between biotic and abiotic disease causes.

Discussion on bacterial disease characteristics. Case study of bacterial blight. Brain storming on nutrient deficiency symptoms and other abiotic causes.

Pictures of bacterial-infected plants, nutrient-deficient plants, charts showing various disease symptoms

KLB BK III Pg 204-206

CROP PESTS AND DISEASES

Cultural control of crop diseases
Chemical and legislative control of 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
Fungicide samples, spraying equipment, government regulation documents, integrated management charts

KLB BK III Pg 206-207

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
Finger millet - field management and pest control

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

KLB BK III Pg 202-204

CROP PRODUCTION VI (FIELD PRACTICES II)

Bulrush millet and sorghum production
Sorghum - pest and disease control
Beans production

By the end of the lesson, the learner should be able to:
Compare ecological requirements of bulrush millet and sorghum. Identify varieties of bulrush millet and sorghum. Describe land preparation for these crops. Explain advantages of growing drought-resistant crops.

Comparative discussion on crop requirements. Examination of millet and sorghum specimens. Brain storming on drought tolerance.

Bulrush millet and sorghum samples, charts comparing crop characteristics
Pictures of quelea birds, damaged sorghum plants, sorghum harvesting tools
Different bean variety samples, charts showing ecological requirements

KLB BK III Pg 207-210

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
Harvesting of industrial crops - cotton and pyrethrum

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
Cotton samples showing different grades, pyrethrum flowers, harvesting baskets

KLB BK III Pg 214-215

CROP PRODUCTION VI (FIELD PRACTICES II)

Harvesting of industrial crops - sugarcane and coffee

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

KLB BK III Pg 217-218

CROP PRODUCTION VI (FIELD PRACTICES II)
FORAGE CROPS
FORAGE CROPS

Harvesting of industrial crops - tea
Introduction and pasture classification
Pasture establishment and planting materials

By the end of the lesson, the learner should be able to:
Describe tea harvesting methods and procedures. Explain factors affecting tea quality during harvesting. State the importance of proper plucking in tea. Outline precautions during tea harvesting and transportation.

Demonstration of proper tea plucking. Discussion on quality factors. Brain storming on harvesting intervals.

Tea plucking stick, tea baskets, fresh tea specimens showing different plucking standards
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 218-219

FORAGE CROPS

Fertilizer application and legume inoculation
Pasture management practices
Pasture utilization and defoliation

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
Charts showing defoliation effects, pasture quality samples, grazing schedules

KLB BK III Pg 226-227

FORAGE CROPS

Carrying capacity and grazing systems
Napier grass production

By the end of the lesson, the learner should be able to:
Define carrying capacity and stocking rate. Calculate carrying capacity based on animal requirements. Compare rotational and continuous grazing systems. Explain paddocking, strip grazing, tethering and zero grazing methods.

Calculation exercises on stocking rates. Discussion on grazing system selection. Examination of grazing system diagrams.

Calculators, carrying capacity charts, paddocking diagrams, pictures of grazing methods
Napier grass specimens, stem cuttings with nodes, fertilizer samples, cutting tools

KLB BK III Pg 232-237

FORAGE CROPS

Other fodder crops
Agroforestry fodder and conservation introduction

By the end of the lesson, the learner should be able to:
Explain ecological requirements for Guatemala grass and mangolds. Describe characteristics and management of Kenya white clover. Outline establishment and utilization of lucerne and desmodium varieties. State advantages of leguminous fodder crops.

Discussion on fodder crop selection. Examination of various fodder crop specimens. Brain storming on nitrogen fixation benefits.

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 240-244

FORAGE CROPS

Hay making
Silage making and silo types

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
Charts showing silo types, silage samples, fermentation diagrams, pH testing materials

KLB BK III Pg 245-247

FORAGE CROPS
LIVESTOCK HEALTH III

Silage quality and requirements calculation
Introduction to livestock diseases and observable conditions

By the end of the lesson, the learner should be able to:
Explain factors affecting silage quality and use of additives. Describe silage losses and prevention methods. Calculate silage requirements based on animal dry matter needs. Outline standing forage as alternative conservation method.

Calculation exercises on silage requirements. Discussion on quality factors and additive use. Brain storming on loss prevention strategies.

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 249-250

LIVESTOCK HEALTH III

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

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

KLB BK III Pg 251-252

LIVESTOCK HEALTH III

Bacterial diseases - mastitis
Bacterial diseases - fowl typhoid and foot rot
Bacterial diseases - contagious abortion and scours

By the end of the lesson, the learner should be able to:
Describe mastitis as inflammation of mammary glands. Identify predisposing factors for mastitis including age and udder attachment. Explain symptoms of mastitis including milk changes. Outline control and treatment methods for mastitis.

Discussion on mastitis importance. Examination of mastitis symptoms. Demonstration of proper milking techniques. Brain storming on prevention methods.

Pictures of mastitis symptoms, milk samples showing mastitis, milking equipment, antibiotic samples
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

KLB BK III Pg 255-257

LIVESTOCK HEALTH III

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 black quarter symptoms and spore-forming bacteria. Explain anthrax as notifiable disease affecting all warm-blooded animals. Describe pneumonia in young animals and predisposing factors. State control measures including vaccination and proper disposal.

Discussion on acute bacterial diseases. Exposition of notifiable diseases. Brain storming on disease prevention. Case study of anthrax control.

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 261-263

LIVESTOCK HEALTH III

Viral diseases - Newcastle, fowl pox and Gumboro
Viral diseases - African swine fever

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.

Discussion on poultry viral diseases. Examination of fowl pox lesions. Brain storming on vaccination schedules. Case study of Gumboro (poultry AIDS).

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

KLB BK III Pg 265-267

LIVESTOCK HEALTH III

Nutritional disorders - milk fever and bloat

By the end of the lesson, the learner should be able to:
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 nutritional disorders. Demonstration of calcium injection principles. Brain storming on nutritional management. Case study of bloat treatment.

Calcium injection equipment, charts showing milk fever symptoms, bloat treatment tools, nutritional supplements

KLB BK III Pg 268-270