Damping-off

or sudden fluctuations in temperature. Pythium aphanidermatum mostly occurs at higher temperatures in the soil or irrigation water. Pythium aphanidermatum [...] lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly [...] recirculating nutrient solutions. Increase the distance to the main substrate at the start by using higher substrate blocks for the seedlings. In field crops:

Praon volucre

volucre Aphiscout is effective at temperatures between 16°C/61°F and 30°C/86°F. Behaviour of the parasitic wasp Praon volucre At a temperature of 22°C Praon [...] five days. At 23-25°C, the developmental time for Praon volucre on Macrosiphum euphorbiae from oviposition to adult emergence is 13 days. At 16°C, the [...] aphid ( Macrosiphum euphorbiae ) The parasitic wasp Praon volucre is available at Koppert in Aphiscout . Aphiscout consists of Aphidius colemani , Aphidius

Anagyrus vladimiri

range from 0.1-0.5 per m 2 /release. Releases should be repeated at least 3 times at an interval of 1-2 weeks. Consult a Koppert advisor or a recognized [...] parasitic wasp Anagyrus vladimiri is most effective at temperatures around 25°C/77°F. The lowest temperature at which development can occur is 13°C/55°F; the [...] mealybug ( Planococcus ficus ) The parasitic wasp Anagyrus vladimiri is available at Koppert as Citripar . Anagyrus vladimiri products Citripar Expand all items

Dacnusa sibirica

2 /release. Releases should be repeated at least 3 times at weekly intervals or until control is achieved. At higher temperatures (>25°C/77°F) and/or higher [...] ( Liriomyza huidbrensis ) The parasitic wasp Dacnusa sibirica is available at Koppert as Minusa . Dacnusa sibirica products Minusa Expand all items How [...] sibirica Dacnusa sibirica is more effective than the parasitic wasp Miglyphus at lower temperatures (<20°C/68°F). When temperatures rise, Minusa can be supported

Tomato moth

the hindwing is greyish and lighter than the forewing, with a darker shadow at the margin. The antennae are long and thin. Head and thorax are reddish-brown [...] leaves in groups of 50 to 300, often arranged in layers. The eggs are greenish at first, but gradually change to a light yellow or almost white. There are six [...] on the larvae varies according to the host plant and developmental stage. At first, the body is a glossy green. Later, a conspicuous yellow longitudinal

Pea blight, leaf and pod spot

pinodella ) causes foot rot in peas, whereas Ascochyta pisi does occur sometimes at the stem base but is not part of the foot rot syndrome in peas. Infected seeds [...] conidia. There is no known sexual stage. Ascochyta fungi develop most rapidly at temperatures below 20 °C and the spores require water for dispersal. How to

Bacterial soft rot, bacterial stem rot

bacterial stem rot as well as soft rot. Stem rot is first noticed when plants wilt at the time of first harvest or after that. The pith disintegrates and the stem [...] and light to dark brown. They are adjacent to wounds and natural openings at the stem end. Later the fruit becomes soft and lesion contents become liquid

Orius laevigatus

Apply in groups of at least 50 insects in order to establish a population and encourage mating Make sure the material remains undisturbed at the introduction [...] Both adults and nymphs of Orius laevigatus are voracious predators, adept at piercing and feeding on the soft bodies of their prey. The predatory bug Orius [...] the following pests: Thrips The natural enemy Orius laevigatus is available at Koppert as Thripor-L . How to use Orius laevigatus The predatory bug Orius

Eretmocerus eremicus

typically range from 1-10 per m2/release. Releases should be repeated at least 3 times at weekly intervals or until control is achieved. Depending on the specific [...] hour average greenhouse temperature needs to be at least 20°C/68°F. Eretmocerus eremicus is still active at temperatures above 30°C/86°F. Behaviour of the [...] Trialeurodes vaporariorum ) The parasitic wasp Eretmocerus eremicus is available at Koppert as Ercal . Eretmocerus eremicus products Enermix Ercal Expand all

Citripar

range from 0.1-0.5 per m 2 /release. Releases should be repeated at least 3 times at an interval of 1-2 weeks. Consult a Koppert advisor or a recognised [...] conditions The parasitic wasps are most effective at temperatures around 25°C/77°F. The lowest temperature at which development can occur is 13°C/55°F; the [...] look like swollen mealybug larvae. Empty pupae have an irregular exit hole at the posterior end of the mummy after the parasitic wasps emerged. Pack size