• Horiver Wetstick

  January 1, 1970

  areas near doors, gable ends and lateral ventilation openings Attach traps to wires or sticks at max. 30 cm above the crop and adjust height when plants are [...] ground for young plants and 50 cm above the ground for mature plants Replace the traps when largely covered by insects and/or debris Dosage For monitoring [...] colour of the sticky trap and get caught in the glue. Presentation Polysterene cards coated with wet sticky glue. Available colours and sizes Yellow: 10x25 cm;

• Leaf miners

  January 1, 1970

  reducing photosynthesis and weakening plant growth. Their feeding patterns cause visible leaf damage, lower crop quality and can open the way for secondary [...] protect plant vitality and maintain marketable yields. Biological control of leaf miners combines effective natural enemies and monitoring tools to target [...] the genus Liriomyza and are very common in temperate regions. Leaf miner damage Leaf miners cause damage to plants both directly and indirectly. The most

• Wireless Beehome

  January 1, 1970

  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

• Shore fly

  January 1, 1970

  diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on leaves or flowers in ornamental crops, lettuce and herbs also [...] cosmetic damage, and sometimes this can occur on such a scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of Shore [...] following stages: egg, three larval instars, a pupa and the adult fly. The eggs are laid singly and are bean-shaped. A first instar larva is translucent

• Cabbage looper

  January 1, 1970

  voracious appetite and can daily consume up to three times their body weight. Plants can be severely defoliated and stunted. Life cycle and appearance of [...] to the leaf, and are a yellowish or greenish white colour. The Larvae hatch after 3 to 4 days. Since their legs are confined to the front and rear of the [...] be found in crops such as tomato, pepper, some cucurbits, soybean, sesame and cotton. One of the reasons why this plague can be serious is that the moth

• Knowing & recognizing

  January 1, 1970

  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

• Onion thrips

  January 1, 1970

  more developed wing buds and longer antennae that are curved back over the head. The prepupal and pupal instars do not feed and only move if disturbed. [...] throughout the world. It is found outdoors on many plants and particularly damaging on onions, leek, and in greenhouses on cucurbits, tomato, sweet pepper, eggplant [...] eggplant, roses, chrysanthemum, gerbera, carnations, bulbs and many others. Life cycle and appearance of Onion thrips Onion thrips (Thrips tabaci) develops

• Greenhouse whitefly

  January 1, 1970

  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

• Citrus mealybug

  January 1, 1970

  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

• Tobacco whitefly

  January 1, 1970

  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