Bacterial canker of tomato

on stems, leaves and fruits. Leaves and shoots wilt. On the lower leaves, blister-like white lesions occur, which later turn brown and may merge. The leaves [...] the name ring rot. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne and primary infection is mostly from [...] protective clothing and gloves, disinfect tools and greenhouse structures Use a crop rotation in field crops of at least two years and alternate with a non-host

Sweet pepper

from vanilla/white and yellow to orange, green and red and even dark purple and brown. The sweet pepper is a very rich source of vitamin C and antioxidants

Citrus mealybug

distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics [...] croton and kalanchoë, but also in roses and gerbera. Additionally, the citrus mealybug ( Planococcus citri ) can also appear in cucumber, melon and aubergine [...] the crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes

Horiver Drystick

Drystick for trapping and monitoring different flying insects. The traps work particularly well for bugs such as Lygus spp. and Nesidiocoris tenuis. Pests [...] Whitefly , Nesidiocoris tenuis White: Lygus spp. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Pr [...] cards coated with dry sticky glue. Available colours and sizes Yellow: 10x25 cm; 25x40 cm White: 10x25 cm; 25x40 cm Numbers per package 10x25 cm: 10 pieces

Powdery mildew

similar in all plant-pathogen combinations. The symptoms are white fluffy colonies, first and foremost on the upper side of the leaf. In severe epidemics [...] 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 [...] covered roses, the colonies appear first and foremost on the upper side of the leaves. In most crops, the white colonies later turn brown or grey. Severely

Tomato russet mite

are slightly curled and acquire a silvery sheen on the underside. Later they become brown and brittle. Badly affected tomato leaves and stems lose their trichomes [...] brown colour, and in serious cases they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse and turns reddish [...] diameter and are laid on the underside of leaves, on leaf petioles, and on stems on the lower portion of plants. When newly laid they are creamy white but turn

Amblyseius andersoni

whitefly , and rust mites. Feeding behaviour of Amblyseius andersoni Predatory mites pierce their prey and suck out the contents. In addition to thrips and spider [...] protonymph, deutonymph, and adult. Eggs are laid on the underside of leaves, often in the axil of veins. They are oval, white and are approximately 0.14 [...] larvae, have eight legs, and are a whitish yellow colour. Adult mites have eight legs, are a translucent white in colour, and have a flat, elongated body

Cotton leafworm

economic importance. It originates in Egypt, and is currently found in Africa, the Canary Islands, the Middle East and parts of Mediterranean Europe including [...] other Spodoptera species by four black triangular dots on their body. Before pupation, caterpillars crawl to the ground and settle in the surface layers. [...] mm long and reddish brown in colour. The forewings of the adult cotton leafworm (Spodoptera littoralis) are brownish with blueish overtones and straw yellow

Greenhouse whitefly

gerbera and poinsettia. Find solutions for whitefly in your crop Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume [...] retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in yield. The honeydew [...] the leaves, reducing photosynthesis and transpiration. Viruses can be transmitted. The consumption of plant sap and secreting of honeydew by whiteflies

Asian citrus psyllid

young stems and on leaves of all developmental stages. Nymphs feed on young leaves and stems, continuously secreting copious amounts of honeydew and a thread-like [...] distributed in southern Asia and the disease is responsible for the destruction of several citrus industries in Asia and Africa. In North America, it has [...] huanglongbing (HLB). Nymphs and adults of the psyllid take the bacteria into their bodies by feeding on bacteria-infected plants and then disease is spread