• Horse-chestnut leaf miner

  miner damage leaves by feeding between the upper and lower parenchyma. The mine starts to turn yellow and later brown. By this time, the damage is very visible [...] defoliated, year after year. Life cycle and appearance of Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white [...] (occasionally five instars) and their size varies form 0.5 mm in the firsts instar up to 3.5 mm in the fourth instar. The pupa is brown and is 2.9-4.5 mm long.

• Greenhouse whitefly

  Trialeurodes vaporariorum ) originally comes from tropical and subtropical America, probably Brazil or Mexico. Hundreds of plant species from different families [...] pepper, tomato, roses, gerbera and poinsettia. Damage symptoms The larvae of whitefly need a lot of protein for growth, and thus consume a large quantity [...] 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

• Knowing & recognizing

  edition of Knowing and recognizing also includes new biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to [...] crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s lifecycle and its many phases, as well [...] giving you the ability to recognize the pest or disease you are up against by means of detailed illustrations and close-up photographs. The knowledge gained

• Tobacco whitefly

  ly been found in most tropical and subtropical countries of the world. The original habitat was probably a tropical or subtropical area, possibly Pakistan [...] high level of resistance to many insecticides and its propensity for the transmission of viruses. Life cycle and appearance of Tobacco whitefly The tobacco [...] egg, first, second, third and fourth larval stage (often referred to as ‘pupa’ although strictly spoken this is not true) and adult. The larvae are found

• Citrus mealybug

  crop in various ways: Nymphs and females extract the sap from the plant, stunting growth and causing deformation and / or yellowing of leaves, sometimes [...] 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

• Wireless Beehome

  placement and greenhouse construction. The moment of opening and closing the hive entrance can be controlled by a signal from the climate computer or a timer [...] can open or close the hive entrance of a Natupol hive on set times. One central transmitter can manage several receivers in the greenhouse and a distance [...] Wireless Beehome system, the hive entrance of the Natupol hives can be opened and closed automatically on set times. When assimilation lights dominate the natural

• Trial results Onion fly and Fusarium wilt

  Koppert (Koppert B.V. and/or of its affiliated companies) apply. Only use products that are permitted in your country/state and crop. Always comply with [...] trials from Germany and Spain. 0 Trianum-G Trianum-P Grower Standard Compilation of results from 8 trials from Germany, Netherlands and Spain. Proven [...] any loss of quality if the product is stored for longer than recommended and/or under incorrect conditions.” 02-2025

• Integrated Pest Management

  soil borne pests or diseases, but also well-balanced minerals in the soil matrix or nutrient solution and a porous structure of soil or substrate that allows [...] sticky traps and pheromones, growers can promptly detect the presence of pests and respond accordingly. The use of insect traps ( e.g. Rollertraps or Horiver) [...] is a sustainable and environmentally responsible approach to pest management. It employs a combination of strategies to prevent and control pests while

• Onion

  results onion fly, bean seed fly and fusarium wilt Trial results Onion fly and Fusarium wilt Trial results onion fly and bean seed fly About The onion ( [...] onion plant is usually a biennial or perennial plan. When cultivated however, the plant is mostly handled as an annual and harvested at the end of its first [...] first production season. Onions are popular and therefore cultivated and used for cooking all around the world. Their flesh is pungent when chopped, because

• Outdoor crops pollination advice

  spot or securing it in place with weights or other stabilizing measures. Chemical compatibility Exercise caution when using pesticides before and during [...] natural pollination in both indoor and outdoor crops. We will delve into the key principles of outdoor crop pollination and explore practical advice to maximize [...] rates and overall crop productivity. From attracting pollinators to implementing pollination techniques, we aim to equip you with the knowledge and tools