• Thrips Identification Guide

  and life cycle Damage Host plants Females 1.2 mm long, males 1 mm. Variable in colour, from yellow to dark brown. 8 antennal segments. Long setae below [...] found on both ornamental and vegetable plants. Females 1.6 mm long, males 1.3 mm. Dark brown to black and armoured. End segments of legs yellow. Forewings [...] The species is not known to transmit viruses. Ornamental plants (rose, gerbera), pepper, cucumber and aubergine. Females ca. 1.3 mm long, dark brown. Males

• 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

• Aphids

  therefore need to extract large quantities of sap in order to get sufficient protein. As a consequence, the excess sugar is secreted in the form of honeydew [...] more about What are aphids? Aphids form a single, very large group of insects: the super- family Aphidoidea, belonging to the order Hemiptera . The aphids [...] insects and lead to the growth of a black sooty mold. Aphids life cycle Aphids have a complex life cycle, with both winged and wingless forms of adults of

• CeraSulfur

  sulfur with a high resistance to runoff. After application, CeraSulfur forms a protective layer on the crop surface and begins to vaporize at moderate temperatures [...] less product compared to conventional sulfur formulations. These characteristics also result in minimal spray residues compared to conventional sulfurs [...] water to the chosen volume. Application CeraSulfur can be applied as foliar spray with regular spraying equipment. Dosage Adjust the dose according to the

• Laeveld_Agrochem_GROEI_20_-_Winter_2022.pdf

  word. 1150 1100 1050 C 1.2 4000 1 Blok 1 Blok 2 Blok 3 Blok 1 B 0 Blok 4 D Organiese materiaal (%) AlkPac Blok 4 Blok 1 Blok 2 Blok 3 Blok [...] crop phenological stages (Figure 1-4). This can aid to apply better and more timely management practices that will help to ensure optimal plant growth, yield [...] sugars to set fruit. High leaf and root carbohydrate levels will contribute to a higher fruit set potential. (iii) (iv) (v) (vi) in ce 199 1 To measure