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Crops Fruits & Vegetables

Avocados
Bananas
Beans
Cabbage/Kale, Brassicas
Carrot
Cashew
Cassava
Citrus plants
Cocoa
Coconut
Coffee
Cotton
Cucumber
Eggplant
Green gram
Groundnut
Maize
Maize Seed Production
Mango
Millet
Mushrooms
Okra
Onion
Papaya
Passion fruit
Peas
Peppers
Pigeon pea
Pineapple
Potato
Potato Seed Production
Pumpkin
Rice
Sesame
Sorghum
Soybean
Spinach
Sugarcane
Sweet potato
Tea
Teff
Tomato
Watermelon
Wheat
Yam
Zucchini/Courgette

Indigenous Vegetables

African Nightshade
Amaranth
Cowpea
Spider plant

Pest & Diseases

African armyworm
African bollworm
African cassava mosaic virus (ACMV)
African maize stalkborer
Anthracnose
Aphids
Bacterial wilt
Bagrada bug
Banana weevil
Black rot
Broomrape
Cabbage looper
Cabbage moth
Cabbage webworm
Couch grass
Cowpea seed beetle
Cutworms
Damping-off diseases
Diamondback moth (DBM)
Dodder
Downy mildew
Early blight
Fruit flies
Fusarium wilt
Larger grain borer (LGB)
Late blight
Leafmining flies (Leafminers)
Mango seed weevil
Mealybugs
Powdery mildew
Purple witchweed
Root-knot nematodes
Sedges
Snails (Giant East African Snail)
Spider mites
Spotted stemborer
Storage pests
Sweet potato weevil
Termites
Thrips
Tomato Yellow Leaf Curl Virus Disease (TYLCV)
Turnip Mosaic Virus (TuMV)
Weeds
Whiteflies

Medicinal Plants

Mondia
Artemisia
Moringa
Neem
Ocimum kilimandscharicum
Pelargonium
Prunus africana
Sutherlandia
Tamarind

Fruits & Vegetable Processing

Methods for tomato preservation
Vegetable preserves
Drying of fruit and vegetables

Natural Pest Control

Biopesticides in Kenya
Bio-pesticide: Bt (Bacillus thuringiensis)
Bio-fumigation
Copper fungicides in Kenya
Flour preparation
Hot-water treatment
Natural enemies
Plant extract: Garlic
Plant extract: Neem
Plant extract: Pyrethrum
Plants with crop protection properties
Soap spray
Solarisation
Sulphur pesticides in Kenya
Traps and Bagging

Cultural Practices

Introduction to organic plant nutrition
Composting
Field sanitation
Green Manure / Cover Crop Legumes
Crop rotation
Intercropping and Push-Pull
Mulching
Conservation tillage systems
Weed management
  1. Plant Health
  2. Pests and Diseases

Pests and Diseases

  • African armyworm (Spodotera exempta)
    African armyworm
  • African bollworm (Helicoverpa armigera) on beans
    African bollworm
  • African Cassava Mosaic Virus symptoms
    African cassava mosaic...
  • African maize stalkborer (Busseola fusca)
    African maize stalkborer
  • anthracnose on mango
    Anthracnose
  • Green peach aphids (Myzus persicae) on pepper leaf
    Aphids
  • Bacterial wilt symptoms on potato plants
    Bacterial wilt
  • The adult bagrada bug (Bagrada hilaris)
    Bagrada bug
  • Banana weevil (Cosmopolites sordidus)
    Banana weevil
  • Bacterial black rot on cabbage
    Black rot
  • Broomrape in tomato crop
    Broomrape
  • Cabbage looper
    Cabbage looper
  • cabbage moth (Crocidolomia binotalis)
    Cabbage moth
  • Cabbage webworm caterpillar
    Cabbage webworm
  • Couch grass
    Couch grass
  • Cowpea seed beetle (Callosobruchus maculatus)
    Cowpea seed beetle
  • Cutworm (Agrotis sp.)
    Cutworms
  • Damping-off (Rhizoctonia solani) on brassica
    Damping-off diseases
  • Diamondback moth caterpillars feeding on kales
    Diamondback moth (DBM)
  • Dodder on capsicum
    Dodder
  • Downy mildew on Brassica oleracea
    Downy mildew
  • Early blight on tomato leaf
    Early blight
  • Adult fruit fly (Ceratitis fasciventris)
    Fruit flies
  • Wilting of okra plant due to fusarium wilt
    Fusarium wilt
  • Larger grain borer (Prostephanus truncatus)
    Larger grain borer (LGB)
  • Late blight on tomatoes
    Late blight
  • Damage on beans by leafmining flies
    Leafmining flies (...
  • Mango seed weevil
    Mango seed weevil
  • Female mealybugs on passionfruit leaf
    Mealybugs
  • Powdery mildew on a cabbage plant
    Powdery mildew
  • Purple witchweed (Striga hermonthica)
    Purple witchweed
  • Okra roots damaged by root-knot nematodes
    Root-knot nematodes
  • Cyperaceae
    Sedges
  • The Giant African Snail (Achatina fulica). Adults of the species may exceed 20 cm in shell length but generally average about 5 to 10cm
    Snails (Giant East...
  • Two-spotted spider mite (Tetranychus urticae)
    Spider mites
  • Caterpillar of the <b>spotted stemborer</b><i> (Chilo partellus)</b>
    Spotted stemborer
  • Grain moth (Angoumois) on maize. The moth is small, pale brown, 5-7 mm long with wings folded, wingspan 1-1.6 cm
    Storage pests
  • Sweet potato weevil
    Sweet potato weevil
  • Termites on mango stem (Coptotermes formosanus)
    Termites
  • Western flower thrips (Frankliniella occidentalis)
    Thrips
  • Tomato yellow leaf curl
    Tomato Yellow Leaf Curl...
  • turnip mosaic virus
    Turnip Mosaic Virus (...
  • Oxalis latifolia
    Weeds
  • Cabbage whitefly (Aleyrodes proletella)
    Whiteflies
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