• Glasshouse potato aphid

  January 1, 1970

  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 [...] above with 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 [...] 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

• Entonem

  January 1, 1970

  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 [...] ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] develop, and 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

• Tobacco aphid

  January 1, 1970

  head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse black bands across the body. The antennae are 0.7-1 [...] 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 [...] chrysanthemum, and various pot plants and cut flower crops. Damage symptoms Nymphs and adults extract nutrients from the plant and disturb the balance of growth

• Capsanem

  January 1, 1970

  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 [...] ) Mode of action The nematodes enter the pest and release symbiotic bacteria into the pest's body cavity. These bacteria convert the host tissue into a [...] Nematodes 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

• Bacterial canker of tomato

  January 1, 1970

  brown centre. In potato, the disease usually only occurs in the second half of the season. The first symptoms are wilting of the lower leaves and subsequent [...] measures are taken to eradicate the infection. In tomato, growers must either destroy the infected crop entirely or, if the crop is old, only the plants [...] expansion of the wilt upwards. Cutting the stem at the foot shows whitish ooze with bacteria in the case of C lavibacter infection, but other than that the disease

• Pollination checklist tomato

  January 1, 1970

  they are exposed is too high for a lengthy period, the hive and the colony may suffer damage. You should therefore position the bumblebee hive in the coolest [...] coolest spot, or at least in the shade, particularly during the warmest part of the day. Ensure that the hive gets some sunlight during the dark winter period [...] bumblebee bites onto the flower and makes the flower vibrate. This is known as buzz pollination. The imprints of the bumblebee's jaw on the flower (bite marks)

• Green peach aphid

  January 1, 1970

  honeydew, contaminating fruit and ornamental crops and rendering them unsuitable for market. At the same time, photosynthesis in the leaves is reduced, affecting [...] dark brown spot on the abdomen and several transverse black bands across the body. Nymphs that develop into winged adults are often pink or red in colour. [...] different viruses and is thus rightfully feared by many growers. Nymphs and adults extract nutrients from the plant and disturb the balance of growth hormones

• Biosolutions for Cannabis

  January 29, 2026

  staff are not paid by commission, so their advice for any business is the same regardless of the amount of the purchase. They are invested in the strength [...] experts stationed around the United States who are familiar with all of the growing methods and settings used in their area or used in cannabis cultivation [...] differently, and Koppert stays on top of what’s allowed, what’s effective, and most importantly, what the grower wants (and doesn’t want) in the product. Lane

• Neoseiulus californicus

  January 1, 1970

  They are roughly 0.4 mm in length. The eggs are oval, transparent to white in colour and are deposited on the underside of the leaves. They are smaller [...] stages are the same as for other members of the Phytoseiidae family: egg, larva, proto- and deutonymph, and adult males and females. Adult mites are lighter [...] white colour. In many cases the colour of the food ingested shines through the skin and shows up as an X-shaped marking on the back. If the food supply has

• Optimal placement of bumblebee hives

  January 1, 1970

  as condensation and rainwater. Regular hive maintenance and checks are recommended to ensure the well-being of the bumblebee colony and prevent potential [...] advisable to position the hives at a height of 20 – 60 cm above the ground on the south side of the path. This location ensures that the hives receive adequate [...] throughout the day. In case of insufficient shade, additional measures should be taken, especially in autumn when the Wireless Beehome System is closed. In times