• Cabbage looper

  cocoons often on the underside of the host plants. The pupae have a green colour and then change to a coffee brown colour when close to adult emergence. Finally [...] voracious appetite and can daily consume up to three times their body weight. Plants can be severely defoliated and stunted. Life cycle and appearance of Tr [...] can deposit up to 300 eggs on the underside margins of the upper leaves of plants. The eggs have a spherical shape, with the flattened part attached to the

• Streptorid FP FPL

  the central hopper of the planter/seeder or individual row unit. Make sure the product is evenly dispersed onto the seed as it fills the hopper or row unit [...] 170). The WPS applies when this product is used to produce agricultural plants on farms, forests, nurseries or greenhouses. Keep unprotected persons out [...] needed for immediate use, minimizing the interval between treatment and planting. Seed Treatment Compatibility Please consult with your Koppert® representative

• Tobacco aphid

  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 [...] the plant’s growth is retarded giving rise to deformed leaves or, if the infestation occurs early enough in the season, the death of young plants. Retarded [...] never glossy. Winged individuals have a brown-black head and thorax and a reddish abdomen. There is a dark brown spot on the abdomen and several transverse

• Green peach aphid

  and adults extract nutrients from the plant and disturb the balance of growth hormones. As a result, the plant’s growth is retarded giving rise to deformed [...] 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 [...] Winged individuals have a brown-black head and thorax and a yellow-green to green or even reddish abdomen. They have a dark brown spot on the abdomen and

• Chrysoperla carnea

  cream-coloured to light brown. The head is light grey, with black eyes, and dark mouthparts and antennae, with two converging dark brown dorsal stripes that [...] that become broader towards the rear. Two chocolate-brown, or red-brown, bands run over the body. Pupal stage: The pupae of the Chrysoperla carnea are usually [...] thrips , mealybugs , and other soft-bodied insects that are harmful to plants. In agriculture, Chrysoperla carnea i s employed as a biological control

• Tomato pinworm

  the tomato pinworm The eggs are whitish in colour to start with, then turn brown or orange as they develop and can be found on the underside of the leaves [...] When the presence of the pest is high, they can be found on any part of the plant. They emerge 4 to 7 days after being laid. The larvae have a yellowish-grayish [...] body, changing to gray with purple spots or completely purple, with a dark brown head. In total, the larva goes through four instars which can last from 9

• Fusarium spp.

  yellow and wilt, mostly on one side of the plant. Finally, the whole plant wilts. Other symptoms are brown discolouration of the xylem vessels, which can [...] system of the host plant and spreads upwards inside the plants. The other species are dispersed upwards on the outside of the plant. Most Fusarium species [...] Fusarium species. Higher up in the plant, the microconidia germinate and infect the surrounding tissue. On infected plant parts, the typical boat-shaped pink

• Glasshouse potato aphid

  substance, which leads to deformations in the growing tip of the plant. Precisely where the plant is pierced is unimportant. The piercing of the lower leaves [...] young aphids are born as developed nymphs. They immediately start to feed on plant sap and grow rapidly. When reproduction is sexual, the aphids lay eggs that [...] size (1.8 - 3.0 mm long) and oval in shape. It has a light yellow-green to brown-green colour, and has an overall shiny appearance. Antennae are marked by

• Black vine weevil

  into corms, rhizomes and stem bases of plants. Larvae can also feed above ground within the stems of the plants. Both adult beetles and larvae are polyphagous [...] polyphagous and feed on a large number of plant species. High populations of larvae can destroy plants under field conditions. Established crops are more [...] more resistant to damage than young plants or just planted cuttings. The adult beetles are only active at night, taking round bites out of the leaves, starting

• Soybean

  black or brown, but also blue, yellow or green. When planting soybean plants, there is considerably more protein produced per acre than when planting other [...] Asia. It is extensively cultivated for its edible beans. The fruit of the plant is a hairy pod, that grows clustered in small bunches of three to five pods