• European corn borer

  in June. The eggs 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 [...] brown to brownish and dark spots with a pale centre at the base of the hairs. The head is brown to brownish black. The pupae are up to 2 cm long and light [...] light grey with darker markings. The eggs are nearly flat, ca 1 mm in diameter and white when first laid but later turn yellow. The black head of the larva

• Early blight

  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 [...] 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

• Municipality Doetinchem: Entonem nematodes managing oak processionary caterpillar

  9000 solitary oak trees withing this municipality. In 2020 the level of infestation with the oak processionary caterpillar within the built-up area was so [...] oak trees in the forests and plantations around Doetinchem. Marc van Rijswijk is the spokesman for Buha, the implementing organization for the Municipality [...] that the use of nematodes helps to reduce the level of infestation. ‘By using Entonem and extracting the nests as a curative measure, we can keep the situation

• Thripex-Plus

  in the crop, not exposed to direct sunlight Sachets already have an exit hole Hold sachets by the cardboard strip at the top, to avoid damaging the predatory [...] multiply in the sachet and disperse into the crop over a period of several weeks. Predatory mites use their piercing mouthparts to extract the contents of [...] ly or as soon as the first pest mites are detected in the crop. Use at least 4,000 sachets per ha and hang them evenly spaced in the crop. Release should

• Black rot of carrots

  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 [...] 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 [...] seed-transferred carrot disease. The seeds are the main source of primary infection and this may lead to death of seedlings. From the primary infection of leaves

• Supplementary Feeding for Biological Control: A Complete Guide

  July 24, 2024

  used for the buildup of predatory mite and predatory bug populations. Predatory mites feed on the brine shrimp. The predatory bugs feed on the sterilized [...] supplementary food lands on the leaves and has an even dispersal in the crop. Except in the case of Entofood which can be sprinkled on the leaves. Supplementary [...] will only minimize starvation, at most slightly extending the life span of the predators at the expense of decrease feeding on pests. On these types of crops

• An impressive range of predatory mite solutions thanks to continuous research and innovations

  September 3, 2024

  ‘Our drive is still the same as when my grandfather and father founded this company with the introduction of the first predatory mite for biological control’ [...] people and the planet; to help growers and optimize cultivation and reduce the impact on the environment. This is our contribution and the driving force [...] effective and labor-saving. ‘The feeder mites in the sachets ensure the predatory mites have a snack on their way to their destination. The number of predatory

• Bumblebee pollination

  last longer. The hive design developed over the years helps bumblebees to save 20% of the energy usually spent on cooling and heating the hive. High quality [...] prolonging the overall pollination Best availability in the market Natupol colonies are available throughout the year and have a short delivery time. The int [...] guarantees maximum pollination . The Natupol system is the result of over 35 years of accumulated expertise coupled to the latest technology – our best bumblebees

• Rose aphid

  deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi are black and bent outwards. The rose aphid usually overwinters [...] symptoms Infestations with rose aphids retard the growth of buds and new shoots. Foliage and flowers are often disfigured and contaminated with sticky honeydew [...] before reaching adulthood. With each moult they shed white skin, betraying their presence in the crop. Wingless females of the rose aphid are 1.7-3.6 mm

• Bumblebee Pollination Information For Canadian Fruit Crops

  June 11, 2024

  crops in the cooler, wetter conditions that frequently occur in Canada. Koppert is the largest producer in the world of bumblebee colonies. With over two [...] s are self-compatible but require pollinators to transfer the pollen from the anther to the stigma. Haskap, Cherries and Apples are all self-incompatible [...] honeybees, having direct contact with the stigma, and visit flowers for a longer duration – 8 seconds compared to 2-3 seconds by the honeybees. They will fly at