• European corn borer

  are laid mainly on the underside of leaves. The larvae initially feed on the leaves and then bore into the upper part of the maize plants. Later, second [...] holes are easily visible on stems, or on the apical part of maize ears. Larval tunnelling weakens the stalks and causes them to break during windy weather [...] overlap like tiles on a roof. The average number of eggs per egg mass is 30. The larvae are up to 25 mm long; body pale purplish brown to brownish and dark

• Pollination checklist outdoor

  recommended number of hives is dependent on the crop and the presence of other pollinating insects. Bumblebees and honeybees are able to complement each other's [...] instance, position the hive on a crate or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target crop. You should [...] Consult the list of side effects, on paper or via the Internet . This list states how each product can be integrated with the use of bumblebees.

• Navigating the Whitefly Battle

  March 6, 2024

  mites do not work well on tomatoes due to higher amounts of plant resin, but they are powerful tools on most other crops. Our aim is to provide you with invaluable [...] damage to the plant, and indirectly because of a plant virus transmitted during feeding. Plant damage can be broken down into four main types: Plant Sap Feeding [...] hairs stop them from being able to move far due to the trichomes and acyl sugars on the plant. In tomato crops, in place of predatory mites , use entomopathogenic

• Green peach aphid

  Aphids 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 [...] extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if [...] occurs early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield, Plant sap is rich in sugars, but has a low protein

• Using Predatory Mites, but still having Thrips Issues? Close the Gap in your Thrips Control Program

  July 16, 2024

  Limonica ). These feed primarily on the first larva stage of thrips species and are great crop defenders. Read our “ Get Rid of Thrips Naturally Using Predatory [...] for its prey, being attracted to damaged leaves and reacting to any pest movement found on the plants. They will feed on any mobile thrips in the crop [...] tropical plants, it is best to use a combination of Chrysoperla carnea ( Chrysopa ) to target the larger size larvae and green Horiver cards to trap adults

• Horiver Drystick

  Nesidiocoris tenuis White: Lygus spp., European apple sawfly ( Hoplocampa testudinea) Mode of action Insect pests are attracted to the colour of the sticky trap [...] one Horiver Drystick per 2 to 20 m 2 Notes In contrast to Horiver Wetstick , the glue of Horiver Drystick does not come off on your hands Horiver Drystick [...] and get caught in the glue. Presentation Polysterene cards coated with dry sticky glue. Available colours and sizes Yellow: 10x25 cm; 25x40 cm White: 10x25

• Cottony soft rot

  occur on stems but also on leaves, fruits and pods. Root infection often leads to premature wilting and death of plants. Life cycle and appearance of Cottony [...] thereby creating a source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent Cottony soft rot Practice [...] 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 soft root ( S

• Powdery mildew

  the plant cell and takes up nutrients from the epidermal layer of plant cells. Most of the fungus remains on the outside of the plant surface. On the mycelium [...] underside of the leaf. On the upper side, yellow spots are noticeable. In case of a severe epidemic, the fluffy colonies also appear on the upper side of the [...] the fungi to enter the leaves To reduce chances of powdery mildew in greenhouses, it is advised to first ventilate by only opening the windows on the lee

• Beneficial Nematodes against Horticultural Pests

  selectively applied to combat a significant variety of pests in a wide range of temperatures, such as the pupae and larvae of thrips, the larvae of vine weevils [...] together to either partly substitute, and sometimes replace the use of conventional pesticides, to manage pests that are extremely difficult to control [...] overview of the nematode-pest combinations that have been tested successfully so far. However, effectiveness of the nematode solution depends largely on a number

• Knowing & recognizing

  biopesticides and biostimulants that increase the plant’s resilience to stress and help the plant to grow better and remain healthier. Koppert believes [...] Get the growers’ guide to biological crop protection Knowing and recognizing does exactly what it implies. It empowers you with knowledge about the pest’s [...] many phases, as well as giving you the ability to recognize the pest or disease you are up against by means of detailed illustrations and close-up photographs