• Botrytis problems often have company

  December 20, 2021

  conditions for other pathogens to strike. But it also works the other way around: there are pests that make it easier for the fungus to get a hold. It’s a sinister [...] constantly alert to the unwanted interactions: one pathogen can make it easier for another to strike. This applies to Botrytis , too. When this fungus grows [...] holes in it, they create the entry points the fungus needs to strike. Several species of caterpillars , such as Duponchelia , are a good example of this

• Aphidend

  n Open the bottle in the greenhouse Place the bottle directly on the soil or rockwool slabs or hang it in-between the plants Do not scatter the contents [...] gall midges emerge from the pupae and deposit their eggs in the aphid colonies. After emerging from the eggs the larvae consume the aphids . Visual effect [...] should always be adjusted to the particular situation. Start introduction as soon as the first aphids are detected in the crop. Introduction rates typically

• Eggjuvant

  maintain eggs in suspension. The eggs should be in solution no longer than 90 minutes after being mixed. Longer periods in suspension may result in poor egg [...] surfaces and allows emerging larvae to hatch closer to their food source. Availability Eggjuvant is registered for sale in the following U.S. states and territories: [...] Use water that is close to room temperature (59-68°F / 15-20°C) to avoid “shocking” the eggs. Premix 5 gallons of concentrate in a bucket, which then can

• Citripar

  tool to make a hole in the sticker on the lid. Hang the tube on the crop using the label according to the instructions on the label. Hang the tube in a place [...] develop in the mummified skin of the host and look like swollen mealybug larvae. Empty pupae have an irregular exit hole at the posterior end of the mummy [...] product is only available in California Mode of action Adult female parasitic wasps parasitize the mealybugs , particularly the second and third larval and

• Plant Disease Management

  cause diseases in plants. The primary goal of biological control is to reduce the damage caused by these pathogens while minimizing the use of chemical [...] method used to manage and reduce the impact of plant diseases by utilizing beneficial organisms. This method relies on the use of living organisms to suppress [...] preventing the disease from spreading further. Crop rotation Crop rotation is a fundamental strategy, which means avoiding planting the same crop in the same

• Southern European marshland pyralid

  caterpillars often stay in the lower strata of the crop, sometimes attacking the stem of the plant as well as the leaves. Late instar larvae burrow into soft [...] even been known for the caterpillars to inflict damage to the roots of crops cultivated in an ebb-and-flow irrigation system. The damage threshold varies [...] groups of 5 to 10 eggs, overlapping in a tile-like fashion on both the upper and lower surface of leaves close to the veins, or low on the stem or stalk close

• Combating Vine Weevil Successfully

  August 18, 2021

  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 [...] etc. Application of the nematodes is safe for the user and fast and effective, when applied in the right manner. After application, the parasitic nematodes [...] nematodes within the host population is dependent on the number (dosage) applied and the size of the host population. In this regard, it is important that Larvanem

• Isarid

  0-9.0. Dosage The dosage of Isarid depends on the crop and should always be adjusted to the particular situation. Check the label to find the recommended [...] into contact with the insect pest they attach to the body and begin to grow almost immediately. Once the spore germ tube penetrates the host cuticle, fungal [...] hyphal bodies in the host body. The Isarid microbe mechanically disrupts the host’s internal organs and initiates tissue necrosis. This leads to lack of feeding

• Impatiens thrips

  causing the surrounding tissue to die. The resulting silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop [...] americanus is often found low in the crop. In sweet pepper the damage can be seen as discolouration of older leaves at the bottom of the plant. Life cycle and [...] from egg to adult on the plant, specifically on the leaves. Eggs are deposited in the leaf tissue, while subsequent stages are found on the upper- and

• Western flower thrips

  cause damage to plants by piercing the cells of the surface tissues and sucking out their contents, causing the surrounding tissue to die. The resulting [...] silver-grey patches on leaves and the black dots of their excreta indicate their presence in the crop. The vigour of the plant is reduced by loss of chlorophyll [...] insect. The eggs of the western flower thrips (Frankliniella occidentalis) are laid in leaves, flower petals and in the soft parts of stalks. They are inserted