• Even distribution of predatory insects with Natutec Drive

  use and takes care of all these problems. We now spend less than a quarter of the time we used to spend on dispersal and the accuracy of application has improved [...] fitted the unit onto our heating pipes and it allows us to distribute Thripex and Chrysopa really accurately,’ Angel explains. ‘The two arms of the tool [...] tool unfold over the crop to blow the live products accurately and uniformly over the strawberry plant foliage without harming the insects. We are really satisfied

• Comprehensive Control Combination for Carrot Fly

  May 13, 2022

  death. The summer treatment, against second generation larvae, is pivotal in the management of this pest. In relation to the development stage of the pest [...] on young tap roots, but the majority of mining activity inside taproots is attributed to the creamy white third instar larvae. The adult fly is 6-8 mm long [...] poles. A minimum of 4/ha is suggested, but up to 10/ha may be more appropriate in some situations. Traps should be positioned in the field from April,

• Biological solution against green shield bug

  June 23, 2021

  product available in 2022 for their commercial partners. Over the course of the previous decade, the southern green shield bug has ravaged unheated pepper, aubergine [...] central Europe. The disappearance of chemical products, in combination with climate change, has resulted in an increase in the level of infestations in [...] an option at low levels of infestation. That is why this technique has so far yielded only modest results. Koppert identified the problem of southern green

• Thrip control in Strawberry with Orius laevagatus

  May 8, 2019

  stages of the pest, including the adults. The presence of pollen enhances the rate of development of Orius, hence they are frequently found in the flowers [...] on thrips. The establishment of Orius is most effective at day temperatures in excess of 18 0 C, and in view of this, the introduction of the predatory [...] minimum of two introductions at 7-14 day intervals. The ‘window’ for introduction of Orius is relatively narrow since fast establishment of the predator

• Apple rosy aphid

  and on the base of buds of apple trees. The eggs hatch in spring and at first the aphids attack buds, spur leaves and rosette leaves. Later the infestation [...] presence in the crop. Adult viviparous (wingless) females of the rosy apple aphid are 2.1-2.6 mm long and pink to dark bluish grey, with a powdering of white [...] produce new generations of females. By late May or June (in the northern hemisphere) multiple large colonies may be present on the trees. Winged aphids are

• Leaf miners

  before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf [...] belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants [...] There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural conditions, the larvae of these species are p

• The Spidex®-Spical® dual solution to spider mite control in glasshouse strawberry production

  July 20, 2021

  control strategy early in the season and in summer when high temperatures occur At the beginning of the season, when the glasshouse environment is relatively [...] can be corrected with Spical,” commented Stella. The benefits of Spidex Vital® became evident in strawberry crops this summer The development of the new [...] An in depth knowledge of this pest and the beneficial mites which are used for its control, is fundamental to the implementation of a successful, season-long

• Pierce's disease of grapevine

  along the margin or the tip from early to midsummer. The necrotic area spreads over the leaf from the margin and is marked by a chlorotic band. In the beginning [...] extends to the rest. Eventually, the whole root system is killed and the trees die. Life cycle and appearance of Pierce's disease of grapevine The bacteria [...] trees. In the latter, it may stay limited to certain branches. When the leaves mature, slightly raised gummy lesions occur on the underside of the leaves

• Glasshouse potato aphid

  deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves in the crop can cause [...] margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing may even be followed [...] number of darker bands, and their length exceeds that of the body. The legs are also long, there are two distinctive dark green spots on the abdomen at the

• Aphids

  several ways, and the damage can vary depending on the species of aphid and the type of plant being attacked. The following are common signs of aphid damage: [...] larger than the other. For a large part of the season an aphid population consists of viviparous females. As reproduction is asexual, the progeny of a single [...] feed on the sap of plants, which can cause the leaves to turn yellow or become distorted. The damage is often more pronounced on the younger leaves of the