• Tobacco aphid

  The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid. It is not known to what extent tobacco aphids [...] across the body. The antennae are 0.7-1.0 times the body length, reaching to the siphunculi. The body length is 1.2-2.3 mm. [...] content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the

• Cotton aphid

  content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the [...] and the density of the population. Large individuals (up to 1.8 mm long) are usually dark green to black, while aphids produced in overcrowded colonies at [...] with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they

• Cottony soft rot

  high soil water content over a prolonged period of time. The sclerotia germinate directly and form mycelium or produce apothecia (fruiting bodies) containing [...] source of infection for the next crop. The dispersal to neighbouring plants is by mycelial growth. How to prevent Cottony soft rot Practice dry cultivation/be [...] disease its name cottony soft rot. In the mycelium, big, dark sclerotia are formed. They can easily be seen with the naked eye and look like rat droppings

• Green peach aphid

  content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the [...] with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they [...] of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season,

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• General Conditions Koppert

  Failure to do the above will result in the Buyer’s right to invoke the failure of the Natural Enemies, V1 Pollinators and/or Products to answer to the agreement [...] Pollinators and/or Products as notified to the Buyer by Koppert from time to time. Koppert reserves the right to amend these stipulations, instructions [...] prejudice to Koppert’s right to demand compliance with the obligations to which the penalty clause pertains and without prejudice to Koppert’s right to claim

• Mirical

  on points per bottle Spread material thinly (maximum 1 cm thick) to enable the predatory bugs to get out of the carrier material Dosage The dosage of Mirical [...] its original form. Pack size 500 adults and nymphs. Presentation 100 ml bottle. Carrier Wood chips and buckwheat hulls. Downloads How to use Mirical A [...] and/or Artefeed as a food source, as the predatory bug population needs time to establish and develop. Mirical can also survive on plant sap, however absence

• Damping-off

  roots are formed or through other similarly damaged spots. On the infected plant, new sporangia with zoospores are formed, that allow the disease to spread [...] germinate and form so-called sporangia from which subsequently zoospores are produced. Zoospores are spores with flagellae, which enable the spores to move through [...] with a finger nail. Life cycle and appearance of Damping-off Pythium belongs to the Oomycetes, a separate group of microorganisms and is therefore not a real

• Persea mite

  cases, extensive damage leads to leaf yellowing, premature leaf drop, and canopy thinning, which can expose fruit and branches to sunburn and ultimately reduce [...] Depending on temperature, the life cycle from egg to adult can be completed in as little as two to three weeks, resulting in multiple overlapping generations [...] worldwide. It lives and feeds on the undersides of avocado leaves, where it forms small webbed feeding colonies that cause significant leaf damage and can

• Citrus mealybug

  order to gain an adequate intake of protein, mealybugs must therefore ingest large quantities of sap, getting rid of the excess sugars in the form of honeydew [...] and can be hard to spot. They are smaller than the females, have two pairs of wings and two long tail filaments. Their sole task is to fertilize the females [...] attaches itself to the plant, whereas the females remain mobile throughout their entire development. After the second instar, a male nymph forms a dark brown