• Green potted plants

  tolerant of drought, but also air pollution. Dieffenbachia is a very popular ornamental plant and usually sold as houseplant. The leaves of the Dieffenbachia [...] the spurge family of Euphorbiaceae and is an extensive, flowering plant. Succulents , also referred to as succulent plants or at times as water storage plants [...] many species of green potted plants, the most common are: Ficus Skimmia come in many varieties and are usually used as garden plants, because of their attractive

• Fusarium head blight or scab

  General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] many years in the soil and on crop residues of infected plants as chlamydospores (thick walled mycelium cells) or mycelium. Survival is also possible on seed [...] fusarium head blight in cereals, such as wheat (fusarium head blight wheat) and post-harvest decay. Life cycle and appearance of Fusarium head blight or scab Most

• Impatiens thrips

  pepper, cucumber and eggplants. It lives exclusively on the leaves and is often present on weeds in greenhouses. Life cycle and appearance of Impatiens thrips [...] Adults are found on both upper- and undersides of the leaves. This species of thrips is relatively large. Both males and females are dark brown to black [...] patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When

• Amblydromalus limonicus

  larvae of various species of thrips (first and second larval stages) and eggs and larvae of greenhouse whitefly ( Trialeurodes vaporariorum ) and tobacco [...] temperatures between 13 and 25 °C (55 and 77 °F). It is not effective above 30 °C (86 °F) and is sensitive to relative humidity below 70%. What sets A. limonicus [...] limonicus is valued for its effectiveness at relatively low temperatures and is especially recommended to suppress high densities of thrips and whitefly

• Onion thrips

  patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When [...] (Thrips tabaci) is distributed throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on [...] prepupa, pupa, and finally the adult insect. The eggs of the onion thrips (Thrips tabaci) are laid in leaves, flower petals and in the soft parts of stalks. They

• Cottony soft rot

  wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium [...] also known as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony [...] formed. They can easily be seen with the naked eye and look like rat droppings. The symptoms may occur on stems but also on leaves, fruits and pods. Root

• Anagyrus vladimiri

  fluids of its mealybug hosts. This behavior serves a dual purpose, including nutritional intake and pre-reproductive conditioning. Life cycle and appearance [...] appearance of Anagyrus vladimiri Adults show marked sexual dimorphism: the female is about 1.5-2 mm in length and brown, with distinctive black and white banded [...] posterior end of the mummy. Anagyrus vladimiri has a strong photokinetic response, i.e. the female is strongly attracted to light and is inactive in darkness

• Tomato russet mite

  on the lower part of the plant and moves upwards as the mites ascend. Life cycle and appearance of tomato russet mite All life stages of the tomato russet [...] The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse and turns reddish brown and the fruit itself is sometimes deformed [...] Damage symptoms Damage is caused by the mites sucking out the contents of plant cells. Affected leaves are slightly curled and acquire a silvery sheen

• Western flower thrips

  patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll. When [...] on a wide variety of plants, including many vegetable and ornamental crops in greenhouses, and on various weeds. It is an especially significant pest in [...] adults both pairs of wings are fully developed. Damage symptoms Thrips cause damage to plants by piercing the cells of the surface tissues and sucking out their

• Chafers

  feeding on the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and turf. There, secondary [...] beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious pest that can cause [...] secondary damage is often caused by birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis