• Aphipar

  mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first [...] parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develops inside the aphid, which converts [...] Wood chips. Application Spread the material on rock wool slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction

• San José scale

  crawlers. Crawler stage The crawler stage is the only mobile life stage and the most vulnerable to control. Crawlers disperse across the tree, settle on suitable [...] What is San José scale? San José scale (Comstockaspis perniciosa) is one of the most economically important scale insects affecting apple and pear orchards [...] weakening the tree. Heavy infestations can reduce tree vigor, lower fruit quality, and significantly decrease marketable yield. The insect is protected

• Aphelinus abdominalis

  the antennae. She turns herself around, curls up the wing tips, and will try to pierce the aphid in the abdomen with her long ovipositor. The ovipositor [...] with the parasitic wasp Aphelinus abdominalis Aphelinus abdominalis is a parasitic wasp for the biological control of various aphid species. The parasitic [...] for host feeding while the larger individuals are parasitized. The control of the aphids is due to host feeding and parasitization in roughly equal measure

• Apple blossom weevil

  What is apple blossom weevil? The apple blossom weevil (Anthonomus pomorum) is an important early-season pest of apple orchards. Adult weevils emerge before [...] flower buds before sealing the opening. Development Larvae develop inside the flower buds, feeding on floral tissues and preventing the blossoms from opening [...] developing buds before laying eggs inside unopened flower buds. The larvae develop within the buds, preventing blossoms from opening and reducing fruit set

• Apple sawfly

  larvae leave the fruit, the nematodes infect larvae in the soil, helping reduce the population that overwinters. In addition, mass trapping of the adults with [...] leave damaged fruit and drop to the soil, where they form cocoons and remain until the following spring. Spring development The larvae pupate in spring. 3-4 [...] supports the biological control of apple sawfly with Capirel , a beneficial nematode ( Steinernema feltiae ) that targets the soil-dwelling stage of the pest

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  breaching the monocultures of the oak and stimulating the natural enemies of the oak processionary caterpillar. As already stated, the use of nematodes is an [...] oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organisation for the Municipality [...] management became necessary. ‘We think it is important to maintain the biodiversity in the centre, and public opinion is quite sensitive to spraying here. We

• Aphidius colemani

  of the Aphidiidae. First the host is examined by drumming with the antennae. This gives the wasp the information about whether the aphid is the right species [...] Aphidius colemani is widely used in the biological control of aphids . Aphidius colemani is used for the control of the following pests: Cotton aphid ( Aphis [...] of the aphid population by the presence of the parasitic wasp also has an effect: the alarmed aphids secrete a warning substance, which affects the entire

• Capyphor

  ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] carrier. Preparation Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing [...] 15-20°C/59-68°F) Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled spray tank (except

• Early blight

  General The only known stage in all Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause [...] occur at the side of the stem. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread to the flowers [...] spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving conidia in the soil. Use resistant

• Loose smut of barley

  survives inside the seed and when the seed germinates, the mycelium of the fungus grows upwards inside the plant into the growing tip and the seed primordia. It [...] smut of barley The seeds are infected during flowering and the infected seeds are the primary source of inoculum in the next crop. The fungus survives [...] invisible until head emergence. The first sign of infection is the appearance of a smutted ear. Instead of normal tissue, the ear contains a mass of olive-brown