• Black vine weevil

  appearance of Black vine weevil The life cycle of the black vine weevil consists of an egg, 6 or 7 larval instars, a pupal instar and the adult beetle. [...] It belongs to the family Curculionidae. Damage symptoms The major damage is caused by the feeding of the larvae on the roots. After the roots have been [...] on their back. The wing covers are grooved and fused with the body. Therefore, vine weevils cannot fly but can walk very well. They are strictly nocturnal;

• Combating Vine Weevil Successfully

  August 18, 2021

  solutions The larvae and pupae of the black vine weevil (Otiorhynchus sulcatus) can be controlled with our beneficial nematodes . Depending on the soil t [...] Application of the nematodes is safe for the user and fast and effective, when applied in the right manner. After application, the parasitic nematodes actively [...] tissue from the host into substances that are easy for the nematodes to absorb. The larvae die within a few days. The population development of the nematodes

• The nematodes are doing their job

  December 14, 2020

  liquefying the innards, and 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 [...] indicator that the treatment has been effective! The level of damage to your crop is also a good indicator of whether or not the nematodes are proving effective [...] for Effective Control of Thrips in Ornamentals Caterpillar control with nematodes FAQ Beneficial Nematodes Insight to the Production of Nematodes Swirski-Mite

• Prevention: the most powerful weapon in the fight against Fusarium

  December 13, 2022

  As the name suggests, wilting is the most common symptom, but this soil-borne fungus can manifest itself in other ways depending on the crop. The best [...] Fusarium opens the door to other diseases and pests The advantages of Trianum Ten facts about Fusarium Growers worldwide have to deal with the soil-borne fungal [...] identify at the start. Fusarium often strikes when a crop is weak, but there are also varieties of this fungus that can devastate entire crops, as was the case

• Spical: The Effective Weapon Against All Types of Spider Mite

  October 12, 2020

  It’s an effective biocontrol solution against the entire ‘spider mite family’! Harmful spider mites come in all sorts of species and sizes. Most spider [...] mites (and there are 1,200 different species) make characteristic, small webs – usually on the underside of the leaf, but this may cover the whole crop in [...] californicus Spical-Plus Neoseiulus californicus What is Biological Control? Spider mite is the favorite food of the predatory mite in Spical , whose appetite

• Vine mealybug

  General The vine mealybug Planococcus ficus belongs to the family Pseudococcidae, and is also known by the names Mediterranean vine mealybug and Grapevine [...] honeydew. Additionally, the white, waxy secretion of the mealybugs, reduces the ornamental value of the affected plants. Fruit and flowers are also fouled, rendering [...] and adult. The eggs are golden-yellow in color and are deposited in an cottony egg sac (ovisac) containing from 300-500 eggs. The nymphs are very similar

• Red palm weevil

  Due to the specific morphology of the palms, direct or indirect destruction of the apical bud will lead to the death of the plant, which makes the red palm [...] ) are typical weevils: the head extends with a long thin rostrum that holds the antennae and tiny mandibles. The size and colour of adult weevils greatly [...] General The red palm weevil ( Rhynchophorus ferrugineus ), also known as palm weevil, Asian palm weevil or Sago Palm Weevil originates from tropical Asia

• Municipality Enschede: Entonem nematodes against oak processionary caterpillar

  The Municipality of Enschede started using nematodes for the first time in the spring of 2021 to try to halt the spread of the oak processionary caterpillar [...] caterpillar. The municipality’s built-up area has a total of 22,000 oak trees. In the past, the municipality only extracted the nests. But as Petra Klein Breukink [...] not enough. She is the project manager of the oak processionary caterpillar for the Municipality of Enschede. ‘We use Koppert’s nematode product Entonem in

• Insight to the Production of Nematodes

  September 12, 2019

  diseases. The entomopathogenic nematodes are grown in liquid media to give the most consistent quality. The process runs through three phases: first the nematodes [...] bioreactors are taken every few days to check the purity. The nematodes need 12 days to develop for each of the three phases. When the production process has reached [...] ora . They are selectively applied to combat a wide range of pests such as the pupae and larvae of thrips , the larvae of black vine weevil and several

• Black leg of seedlings

  later the plants wilt irreversibly. In potted plants the flower buds fall off. The side roots rot and very little of the root system survives. On the border [...] enable the spores to move through water. The zoospores are chemically drawn to the growing roots of young plants and move towards them through the soil water [...] older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but later