• Flies

  ly small flies of the families Sciaridae (sciarid flies) and Ephydridae (shore flies). The larvae of these insects generally live on rotting plant material [...] a common pest problem in greenhouse and field crops, where they disturb plant growth, spread diseases and affect crop hygiene. Their larvae can damage [...] that is rich in organic matter. Although they cause little direct damage to plants, they are often a problem due to their large number. Larvae of flies of

• Fusarium spp.

  system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium species [...] the leaves turn yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem [...] or in small wounds, for example where lateral roots branch off the tap root. F. oxysporum grows inside the roots towards the foot of the plant and enters

• Leaf miners

  form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants, creating ‘mines’. There are many species of leaf [...] pests that tunnel through leaves, reducing photosynthesis and weakening plant growth. Their feeding patterns cause visible leaf damage, lower crop quality [...] secondary infections. Effective leaf miner control is essential to protect plant vitality and maintain marketable yields. Biological control of leaf miners

• Obscure mealybug

  symptoms Although most species of mealybug feed on the aerial parts of the plant, some species extract their nourishment from roots, whilst others are ga [...] on 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 [...] photosynthesis and therefore the yield. Flowers and fruit often drop off. Plant sap is rich in sugars, but low in proteins. In order to gain an adequate

• Tutasan

  to a dripper and make sure the water drips properly into the trap Add a small quantity of vegetable oil or liquid soap to the water Application Place the [...] Use 20-30 traps per hectare uniformly distributed along the walkway and plant rows. Timing During the entire cropping period. Combined use Use in combination

• Koppert Present at Biocontrol Africa and NewAG International Conference 2018, Nairobi

  October 12, 2018

  and Koppert Agreement on IPM training of plant doctors in Kenya. The IPM module aims to equip existing plant doctors with more practical knowledge and [...] globe. Some key sessions included bioinsectides and biocontrol of invasive plants and diseases. As one of the keynote speakers, Koppert managing director [...] stirred the audience into an engaging discussion regarding the prospects of small-holder farmers adopting biological control and IPM. The 16 th NewAG conference

• Southern European marshland pyralid

  wide range of hosts from 38 plant families. They include ornamental crop plants, such as roses and gerbera, aquatic plants, vegetable crops such as celery [...] sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft woody or herbaceous plant stems causing withering or drying [...] considerably according to the crop: in begonia and kalanchoë a relatively small population can cause severe damage, whereas roses appear to tolerate larger

• Macrocheles robustulus

  material evenly on soil or planting medium (not on the plastic) The dosage of Macro-Mite depends on climate, crop, planting medium and pest density and [...] soil-dwelling insects. The mites appear in and on the soil and at the base of plant stems. Feeding behaviour of Macrocheles robustulus Predatory mites pierce [...] stages, it also feeds on fly larvae, mites, springtails, nematodes and other small soil-dwelling organisms. Adult females can consume four to five Western flower

• Cotton leafworm

  leafworm (Spodoptera littoralis) is a highly polyphagous species feeding on plants of 40 families, containing 87 species of economic importance. It originates [...] 20 to 500 pieces on lower leaf surfaces, often on the lower parts of the plant. The female covers the eggs with brownish-yellow hairs from her abdomen to [...] line bordered on either side by two yellowish-red or greyish stripes and small yellow dots on each segment. The underside of the caterpillar is greyish-red

• Citrus mealybug

  are capable of moving a reasonable distance over the plant. The male nymph attaches itself to the plant, whereas the females remain mobile throughout their [...] Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse [...] damage especially in fruit trees and ornamental crops, particularly in pot plants such as ficus, palms, schefflera, croton and kalanchoë, but also in roses