• 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 [...] rotation, in particular when spores surviving in the soil are the main source of infection. Especially wheat and barley reduce the number of surviving [...] humidity (RH) of over 90% or when the leaves are wet. Small differences in optimum temperature occur between species, but in general the risk of Alternaria

• Crane flies

  roots and crowns of grasses during the autumn.. Larvae overwinter in the soil, usually in the third instar stage. and start feeding again in spring. They become [...] General The larvae of crane flies , called leatherjackets, live in the soil and feed on roots and shoots (which they pull into the ground of mainly grasses [...] again and feed voraciously when the soil begins to warm up in spring. The larvae pupate below the soil surface in summer. The pupal stage lasts about two weeks

• Plus, Ulti-Mite or LD. Which Sachet is Best for You?

  May 7, 2024

  sachet consists of: bran a select type of bran yeast one or more types of bran mites the predator mite In this system, the yeast grows on the bran acting as [...] this cycle of life, the humidity must be high enough for the yeast to continue to grow on the bran. What is the difference between each type of sachet and [...] long lasting sachets due to the two types of feeder mites that come in the sachets. The extra feeder mite allows the sachet to last 60% longer than our

• Buckthorn-potato aphid

  half the body length. The aphids overwinter as eggs on buckthorn. After emerging in spring, the aphids mainly feed on the underside of leaves of their [...] usually found in the lower parts of the plants and are not very mobile. In autumn, winged males and females are produced, which return to the primary host [...] does not cause plant deformation. The major problem in potatoes is the transmission of viruses. Life cycle and appearance of Buckthorn-potato aphid Aphids

• Amblydromalus limonicus

  laid on the underside of leaves. They are oval, white, and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour as the eggs [...] reproductive capacity Delivers one of the highest predation rates among predatory mites Shows promising potential in the control of invasive thrips species Performs [...] leaves, which is useful for instance in sweet pepper crops as the predatory mite can establish in the crop before the pest appears. Amblydromalus limonicus

• Cabbage looper

  a white band on both sides of the body. Pupation takes place in webbed cocoons often on the underside of the host plants. The pupae have a green colour [...] cycle and appearance of Trichoplusia ni Adults can deposit up to 300 eggs on the underside margins of the upper leaves of plants. The eggs have a spherical [...] irregular holes. The first three instars make small holes, while the following stages feed on the tissue between the veins, skeletonizing the leaf. They have

• European red mite

  generations in one year. The European red mite overwinters in the egg stage; the “winter eggs” are laid in the wooden parts of the host plants in autumn. [...] and appearance of European red mite The European red mite feeds mainly on the undersides of leaves but moves to upper leaf surfaces when the lower side becomes [...] attack a large scale of other woody plants and is occasionally a problem on roses and other ornamentals of the family Rosaceae grown in greenhouses. It originates

• Mycotal Brochure

  humidity of 70% or above. The microclimate of the laminar layer underneath leaves determines the conditions for the fungus. Mode of action 4 Spores of A. [...] proteins by the fungus within the insect At high humidity, the fungus grows from within through the insect cuticle and produces spores on the outside of the dead [...] sign of pest infestation 20 3. Use an appropriate amount of water to ensure a good wetting of the leaves, pH of spray solution should be between 4 and

• Mycotal

  destroy the tissues. The fungus then grows through the insect cuticle and produces spores on the outside of the cadaver, which may spread the infection [...] coverage is essential for the best results. Direct the spray onto the underside of the leaves and to the growing points. Agitate the spray solution continuously [...] (15-20°C) per 500 gram of Mycotal and stir into a slurry Fill the spray tank with the required amount of water Empty the slurry into the spray tank and stir

• Codling moth

  spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or other places in the store. [...] It is very common in Europe. Damage symptoms After invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen [...] plugged by dry frass. The larva then burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then