• Caterpillar control with nematodes

  the best results, spray when: Relative humidity is high (> 75%) continuously for several hours after application Temperature is ideally within optimal range [...] 13 – 30 °C. Solar radiation is low Usually evenings or early mornings are suitable timings for application. An adjuvant is recommended. Check the Entonem [...] feed on the tissues of the dead caterpillar which dies within a few days. When applied correctly, beneficial nematodes significantly reduce pest pressure

• Diamond back moth

  xylostella) is suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous hosts exist and it is considered [...] species. It is highly migratory and wind-borne adults can travel long distances to invade crops in other regions. Damage symptoms The caterpillar is a surface [...] pupa is pinkish-white to pinkish-yellow and changes to brown before adult emergence. The adult of the diamond back moth (Plutella xylostella) is slender

• Whitefly

  position over their body when at rest. Color: As their name suggests, whiteflies are usually white or pale yellow in color. This is due to the wax produced [...] the growth is obstructed by the stiff hairs. As soon as the red eyes of the adult whitefly are visible in the fourth larval instar, the stage is referred [...] to honeydew deposits that reduce crop quality. Effective whitefly control is essential to maintain healthy, productive crops and prevent the spread of

• 6 Steps for a Successful Mealybug Biological Program

  March 14, 2024

  enemies, so it is crucial to apply bait where ant pressure is high. Start by determining which ant species you have to help you decide which bait is appropriate [...] releases early in the season (April/May) Beneficials are much more effective when used proactively. By the time your field crew finds bleeding bark, mealybug [...] during heatwaves. 4) Consider your compatible sprays There may come a time when you need to do a knockdown spray. Review your options ahead of time, and

• Pollination Under Artificial Lights

  October 4, 2018

  ensured that bumblebees only flew at moments when there was sufficient daylight. The next innovation came in 2010 when Koppert Biological Systems solved problems [...] fruit and vegetables. The best practices and advice it now shares with growers is based on more than 30 years’ experience in the field and valuable growers’ [...] The eight-page manual on 'Pollination and Growing Lights' gives advice on when to open and close hives, the best placement of hives, the benefits of its

• Biopar

  lesser house fly ( Fannia canicularis ) and other Fannia spp. Mode of action When the adult parasitic wasps emerge from the pupal shells, they will start searching [...] where the flies pupate and cover with 5-10 cm of straw Make sure the material is distributed on dry places or on dry(er) manure Place close to stable walls [...] introduction as soon as flies can be expected Dosage The information given below is merely indicative. Tailored advice requires detailed info on local factors

• Diglyphus isaea

  1 mm, and is transparent white in colour. It lies alongside the paralyzed leaf miner larva and is often difficult to spot. Larval stage: When the parasitic [...] instars: the first is colourless and transparent, the second is yellow and semi transparent with a brown fat body, and the third larval instar is blue-green. [...] Diglyphus isaea Diglyphus isaea is a small parasitic wasp belonging to the family Eulophidae within the order Hymenoptera . It is widely recognized for its role

• Leaf miners

  in horticultural crops are mostly polyphagous; that is, they feed on many crops. However, this is not universal among the Agromyzidae. Of the approximately [...] and can open the way for secondary infections. Effective leaf miner control is essential to protect plant vitality and maintain marketable yields. Biological [...] the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants, creating

• Biosolutions for Tropicals: Pest Control for Floral and Foliage Crops

  Koppert’s unique rearing methods make it an indiator species, so they turn red when they feed on the pest. Armor Up With Amendments An efficient defense comes [...] healthy soil, and vibrant leaves form a shield against diseases. This balance is key from the very start at sticking, planting, or repotting. It’s also important [...] Limonica: One Mean Mite Released to the American market a decade ago, Limonica is a meaner mite for a badder bug like Thrips parvispinus . The most versatile

• The nematodes are doing their job

  December 14, 2020

  then the nematodes slurp up the contents. At the end all that is left is the shell, which is why you will see the caterpillar or larva turn yellowish brown [...] discolor and shrink, which is a good indicator that the treatment has been effective! The level of damage to your crop is also a good indicator of whether [...] nematodes are proving effective. When a nematode attacks a caterpillar or larva, a dramatic scene will ensue; the host is eaten from the inside out. The