• Western flower thrips

  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 [...] occidentalis) usually pupate in the ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars

• Initial Experiences: Spidex Vital Lives Up to its Promises

  May 24, 2021

  recently made the switch to Spidex Vital . His initial experiences in using the new product are positive. "I’ve known Phytoseiulus my whole life," the cucumber [...] three-hectare farm in Pijnacker, the Netherlands, the predatory mite has always been a reliable beneficial. "I use it to combat spider mite in combination with [...] after the first deliveries were released, he had a closer look at the crop. "It was clear that the predatory mites were distributed throughout the crop

• Using Capirel for healthy fruit orchards

  fully diluted, we add the mix into the tank. The sprayer is filled halfway and the bucket with the nematodes is injected into the preparation. And finally [...] that the benefit of using Capirel nematodes is that it can also be used as a preventive treatment in the autumn to reduce the pest pressure for the following [...] vegetables , among others. Using beneficial nematodes in apple Michel Loubejac is a fruit grower in Moissac in the Tarn-et-Garonne, region of France. Here he grows

• Scia-Rid

  reproduce inside the host. This kills the pest within a few hours to days after infection. Visual effect Infected pest insects in the root zone turn yellow [...] carrier. Preparation Remove the sachets from the box and keep them at room temperature for 30 minutes Empty the contents of the sachets into a bucket containing [...] 15-20°C/59-68°F) Stir well and leave the contents to soak for five minutes Stir again and pour the contents of the bucket into the half-filled spray tank (except

• Tobacco whitefly

  tobacco in Greece in 1889, hence the name tabaci . It has subsequently been found in most tropical and subtropical countries of the world. The original [...] influence the development of fruit and lead to a reduction in yield. The honeydew deposited on fruit makes it sticky. Dirt adheres to the fruit, and the growth [...] of the larvae stadia remain flattened on the leaf. The fourth larva stadium develops into a yellow, almost circular so called pupa, in which the red eyes

• Tobacco aphid

  on the abdomen and several transverse black bands across the body. The antennae are 0.7-1.0 times the body length, reaching to the siphunculi. The body [...] crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses [...] of dispersing through the crop by walking. The tobacco aphid tends to form denser colonies, closer to the top of the plant, than the peach potato aphid

• Black vine weevil

  instars. Once the temperature rises, the larvae become active again. The full-grown larvae pupate in spring in the soil. The depth where the pupae can be [...] or 7 larval instars, a pupal instar and the adult beetle. In temperate climates in the Northern hemisphere, the first adult weevils appear around May. They [...] October. The larvae that hatch have a white, translucent to pinkish body and a reddish brown head. These larvae live in the root zone in the soil where they

• 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 [...] lumpy leaves and curled leaf margins. The immediate effects of piercing by the aphids are visible in lower leaves in the form of yellow patches. Heavy yellowing [...] presence in the crop. The wingless adult stage of the greenhouse potato aphid is rather squat, of medium size (1.8 - 3.0 mm long) and oval in shape. It

• How to protect bumblebees from heat

  Placing the hive near the ground on the shade of the crop can keep the temperatures inside the hive lower. Shading Providing effective shading to the top and [...] and the sides of the hive or providing an installation above the central walkway could benefit the bumblebees in high temperatures. Other cooling methods [...] The challenge of hot temperatures We understand the vital role that bumblebees play in pollination , especially in hot temperature conditions. As temperatures

• Potato aphid

  early enough in the season, the death of young plants. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has a low protein content [...] quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky. Black fungal moulds [...] characteristic of the potato aphid and is particularly visible in the nymphs. Immatures have a light dusting of whitish-grey wax. The aphids instantly fall