• Two-spotted spider mite

  Damage symptoms Larvae, nymphs and adults cause damage to the host plant by feeding on plant sap. They mainly occur on the underside of leaves where they pierce [...] dead cells become yellow, and in many plants the damage can also be seen on the upper surface of leaves as small yellow dots. The destruction of cells [...] reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the whole plant, may die

• Spider mites and other mites

  control Learn more about What are mites? Plant mites are a diverse group of small arthropods that feed on plant sap. They are found in a wide variety of [...] manage mite infestations and protect plant health . Recognize mites Plant mites can be recognized by their small size and spider-like appearance. Spider [...] or death of the plant. Damage symptoms are important for early detection of plant-feeding mites and effective management, as their small size and tendency

• Cercospora leaf spot

  species of Cercospora species depending on the plant type infected. Infected seeds, infected plants and plant debris are primary source of infection. Secondary [...] of the disease and severity. The fungus has the ability to overwinter in plant debris and remains in the field for long time. Management Spray Veni GoKlean [...] Symptoms Leaf spots are characteristically greyish brown, circular with small to large grey centres and dark brown margins. The spots may enlarge to 1

• Orius laevigatus

  Egg stage: Orius laevigatus eggs are small, around 0.4 mm long, oval-shaped, and usually laid singly within plant tissues such as leaves, stems, or flowers [...] mouthparts with which they feed on thrips and other small insects. Adult stage: Adult Orius laevigatus are small, elongated insects, about 1.4-2.4 millimeters [...] They also consume pollen and plant juices, which can supplement their diet when prey is scarce. By regularly inspecting plants and noting the presence of

• Early blight

  conducive to infection. In greenhouses: avoid high RH. Prevent plant diseases by optimizing plant potential and crop resilience. [...] may differ in specific symptoms. Damage symptoms Alternaria solani causes small green to dark brown spots to occur on leaves. Those spots then turn into [...] and at a relative humidity (RH) of over 90% or when the leaves are wet. Small differences in optimum temperature occur between species, but in general

• Chili pepper

  (short-lived) plants. The plant’s flowers are white and have a greenish white or greenish yellow corolla. The plant’s berries are very small (10–20 millimetres

• Potato

  ‘potato’ ( S olanum tuberosum ) is used to refer to the plant itself or its edible tuber. The plant is an herbaceous perennial and came to Europe from Latin [...] rice. Potato plants grow up to some 60 cm tall. Its leaves die after flowering, fruiting and the development of the potatoes. The plant’s flowers vary [...] to purple and have yellow stamens. After the flowering phase, the plants grow small, green fruits which look like cherry tomatoes and contain about 300

• Soybean

  blue, yellow or green. When planting soybean plants, there is considerably more protein produced per acre than when planting other crops. Major producers [...] cultivated for its edible beans. The fruit of the plant is a hairy pod, that grows clustered in small bunches of three to five pods. Each pod measures between

• Tomato leaf miner

  General The tomato leaf miner (Liriomyza bryoniae) has many host plants and has caused crop damage in many parts of the world, including North Africa, [...] chrysanthemum and gerbera. Damage symptoms Leaf miners cause damage to plants both directly and indirectly. The most direct damage is caused by the larvae [...] such as tomato and melon. Loss of leaves also reduces yield. In full-grown plants of fruiting vegetable crops, however, a considerable quantity of foliage

• Pink Bollworm

  eggs all over the cotton plant, preferably on or near the buds and flowers. Each female lay egg about 200-400 in singly or in small groups. Young larva enters [...] optimal conditions. In cool dry conditions, larvae may undergo diapause in small cocoon in partially opened bolls, stored seed or in the soil. Diapausing