• Cryptolaemus montrouzieri

  cannibalism under these conditions. At a temperature of 21°C, during the whole period of its development to adult beetle, a larva eats more than 25 second and [...] length. Adults are active predators and feed on mealybugs at all stages of development.

• Cutworms

  become negatively phototaxic and feed mostly at night and hide in the ground during the day. Damage from these instars is usually observed as a cutting of young [...] Pupation takes place in the ground. Depending on the temperature, the development from egg to adult takes about 40-60 days.

• Spidex Vital FAQ

  it was near impossible? After years of research, Koppert has managed to develop a new formulation for better control of a number of vital aspects. This [...] better under control. Is this product exclusive to Koppert? We have co-developed this product with a partner in our business. They will also supply this [...] Application Why does it have a different colour than the Spidex I’m used to? During production of Spidex Vital the predatory mites don`t get to eat spider mites

• Entonem keeps young orchids free from fungus gnats

  ity for all cultivation activities. ‘Nothing can be allowed to go wrong during the propagation phase; our buyers operate a zero-tolerance policy. To make [...] adequately and evenly over the crop.’ Important to avoid slower growth During the 25 week propagation period, Floricultura applies an Entonem treatment [...] to avoid at all costs, he says. ‘If fungus gnats are given the chance to develop, they start eating the young roots. This can considerably slow down plant

• May beetle

  of the plant, as the larvae only feed on root hairs and organic material during the first and second instars. When they move to the next stage, the larvae [...] In cold climates they overwinter as larvae and continue their larval development the next spring. While the younger larvae are relatively harmless, the

• Black rot of carrots

  with a yellow halo on leaves, growing into crown rot. Infection of carrots during post-harvest storage causes dry, sunken, black lesions. Typically, Alternaria [...] may occasionally appear on the carrots at harvest but usually occur only during post-harvest storage. Sporulation of Alternaria occurs at temperatures from [...] cultivars against black rot of carrots ( Alternaria radicina ). Prevent damage during harvest (in potato and carrot). Post-harvest storage at 0-1 o C. A. brassicae

• Spider mites and other mites

  greenhouses and during hot, dry weather outdoors. Controlling plant mites can be challenging due to their rapid reproduction and development of resistance [...] the mites feeding on the plant tissue, which disrupts the growth and development of the leaves. False spider mite damage False spider mites, also known [...] three pairs of legs, except for Eriophyidae which have two pairs of legs. During this stage, the larvae start to feed on plant sap and undergo molting to

• Roots Growers positive about Mycotal against whitefly

  year. We could theoretically spray everything in the greenhouse to death during crop rotation, so that the new crop starts off “clean”. But given the lack [...] lack of effective products, that’s not an option.’ Halting whitefly development Last year, Sam talked to Koppert consultants and decided to compare the [...] season of tests and analyses. That said, I did notice that the whitefly’s development cycle had clearly been inhibited in the spots treated with Mycotal. We

• Japanese beetle

  soil, becoming spherical and nearly doubling in size within a week. The developing embryo can be seen within the eggs that are close to hatching. Popillia [...] third instar, averages 32 mm. When mature, the grubs stop feeding and develop into pale, somewhat shrunken prepupae. The transformation to prepupa and [...] egg-laying soon follows. The average lifespan of a female is 30-45 days, during which she may lay 40-60 eggs. Eggs hatch in about 2 weeks, and the young

• Cyclamen mite

  pairs of legs. They develop into the resting stage (pharate nymph). This is a transitional stage between larva and adult mite during which the mite remains