• Managing Caterpillar infestations in your greenhouse

  June 24, 2016

  feeders and can severely retard the growth of young plants or reduce the aesthetic value of produce in case of cut flowers and fruits. Management a. Cultural [...] In recent times, growers have experienced sustained infestation of their crop by caterpillars of various species. This has led to significant losses to [...] especially in the flower industry, hence a need to highlight some of its management practices. Damage Caterpillars are the larval stage of a butterfly

• Some Tips for Maize Production in Challenging Times

  March 25, 2019

  the availability of nutrients in the soil. pH is the level of acidity or alkalinity of the soil. Maize crops grow best at a soil pH of between 5.5 and 7 [...] hot conditions in the country will continue to prevail. As a result, the long rains growing season that usually starts in March and ends in May will be delayed [...] implications of this on their yields. Maize is undoubtedly the primary staple food in Kenya. Any factor that influences maize yields is therefore of key concern

• Keep Thrips under Control: Plenty of Options with our Comprehensive IPM package for Management of Thrips.

  September 10, 2024

  sachets). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. Hang sachets in sheltered [...] cause severe problems for growers in many crops. Combating this pest is, therefore, an important focal point in the field of biological control. Koppert has [...] c Koppert offers a range of sticky cards and Rollertrap under the brand name “Horiver” to help in scouting and monitoring of thrips and other flying insect

• Mirical

  plant sap, however absence of animal prey slows down the population build-up significantly. Sprinkle material on clean, dry rock wool slabs, in Diboxes [...] bottle Spread material thinly (maximum 1 cm thick) to enable the predatory bugs to get out of the carrier material Dosage The dosage of Mirical depends [...] Diboxes or on leaves. Make sure the material is not disturbed for at least a few hours Introduce in clusters of at least 50 predatory bugs Create 6-10 distribution

• Tobacco aphid

  therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] ) probably evolved from the peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco [...] tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses, such as sweet pepper, aubergine, chrysanthemum, and

• Phytoseiulus persimilis

  disappears rapidly in the absence of suitable prey. When prey is in short supply, mainly adult females will leave the prey patch in search of other spider mite [...] natural enemy of Two-spotted spider mite (Tetranychus urticae) and has been used in many crops worldwide, mainly in greenhouses, but also in outdoor crops [...] available in breeding sachets ( Spidex Vital Plus). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several

• Obscure mealybug

  an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] reduction of 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 [...] with a white waxy material in the form of powder, threads, spiky projections or platelets. Eggs are laid in a sticky, foamy mass of wax threads, called

• Macrolophus pygmaeus

  well as the larvae of leaf miners . When the bug is present in a crop in large numbers, it can contribute substantially to the control of these pests. Although [...] to feed on plant sap, they lay far fewer eggs and the nymphs (if similarly deprived of living prey) will die. Consumption of plant sap, however, can cause [...] certain varieties of tomato, and gerbera. Conditions that promote the onset of such problems include a shortage of prey, a high population of bugs (more than

• Nopath

  Fill the tank with half of the required amount of water Add the required amount of Nopath Stir well Add the remaining amount of water while maintaining [...] Rhizoctonia solani . Registration of targets can vary per country. Crops Applicable in a wide range of crops. Mode of action The essential oils disturb [...] essential biochemical processes in cells of fungi. This disturbance leads to the death of these cells. Visual effect Progress of disease stops or slows down

• Citrus mealybug

  an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew. Charac [...] reduction of 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 [...] many and diverse host plants. In temperate regions of the world this mealybug poses a problem in greenhouse horticulture, and in the tropics and sub-tropics