• Knowing & recognizing

  ability to recognize the pest or disease you are up against by means of detailed illustrations and close-up photographs. The knowledge gained will equip you [...] edition of Knowing and recognizing also includes new biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to [...] crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s lifecycle and its many phases, as well

• Powdery mildew

  grow and branch out on the leaf surface. Small structures are produced, the haustoria, from which the fungus penetrates the plant cell and takes up nutrients [...] apple, pear, outdoor grown rose and other Rosaceae , the fungus causing powdery mildew is extremely sensitive to water and ‘hides’ on the underside of the [...] brown or grey. Severely affected leaves may turn yellow, curl up or drop off. Life cycle and appearance of Powdery mildew The fungi that cause powdery mildew

• Citrus leaf miner

  pale, curl badly, dry off and growth retardation of younger trees. Life cycle and appearance The moth lays the eggs singly up to 50 on lower surface of [...] enter the leaf tissues of tender leaves and feeding on them produces snake-like mine. This causes the leaves to curl and twist. Severe infestation causes the [...] mid-rib. The caterpillar enters the leaf tissue after hatching from the egg and starts mining between the two layers. The larvae excrete their faeces into

• Tomato

  is the edible fruit of this plant. The plant is native to Central and South America and the tropical highlands. Tomato plants usually grow to a height of [...] every year in temperate climate, but in greenhouses they can sometimes sustain up to three years. A great number of tomato varieties is now cultivated in temperate [...] temperate climates around the world. Greenhouses make year round production and cultivation in cooler regions feasible.

• Cut flowers

  more than a hundred species and thousands of different cultivars. Hydrangea, or Hydrangea , has its origins in Asia and North and South America. Some species [...] flower in all sorts of colors and sizes. Hippeastrum is the Latin name for a bulbous plant that originates from Central and South America. It is a bulb plant [...] grown as cut flowers. This concerns various types. Origin, cultivation method and substrate differ greatly. Important types are: Rose: The rose belongs to the

• Cucumber

  goes back some 3000 years and it is now being produced on most continents. The cucumber plant is a creeping vine that grows up trellises or other supporting [...] cucumber plant has large leaves and it produces an elongated, cylindrical fruit that may become as long as 60 cm or 24 inches long and 10 cm or 3.9 inches in diameter [...] from flowers and their seed develop within the fruit, therefore in botanical terms they are classified as berries. However, like tomatoes and squash, cucumbers

• Chilli thrips

  ornamentals, vegetables, and fruits, this species poses challenges due to its rapid reproduction and widespread adaptability. Life cycle and damage of Scirthothrips [...] whitish to yellow and kidney shaped. Nymphs are tiny, slender, fragile and yellowish straw in colour. Adults has heavily fringed wings and grey in colour [...] short and completed in 15 to 20 days as many as 25 overlapping generations per year. Reproduction is both by sexual and partheno-generic. Larvae and adults

• Click beetles

  the roots and bore into the base of plants. This can cause the plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance [...] The larvae (‘wireworms’) are long, thin, cylindrical and though skinned. They are up to 25 mm long and usually shiny yellowish brown or light brown with a [...] feigning death and then suddenly propel themselves into the air with a audible click. Hence their name. Their larvae are called wireworms and feed on the

• Downy mildew of Cucurbits

  stomata. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and Phytophthora. They [...] during propagation and maintaining a warm and dry climate in greenhouses. Use hygiene measures. Start clean, remove crop residues and prevent splashing [...] pumpkin, watermelon and squash. Damage symptoms Downy mildew pathogens infect mostly the leaves but occasionally also stems and fruits. They cause lesions

• Leaf stripe

  may be stunted and heads may be distorted and failing to emerge from the sheath. Ear length and the number of kernels may be reduced and kernels may be [...] occur on the first, second and third leaf and subsequently on other leaves. Yellow stripes are formed at the base of the leaf and the leaf sheath. They gradually [...] gradually extend and become brown and chlorotic and may merge. Eventually this leads to the death of the leaf. The leaf splits at the end which makes it