American serpentine leaf miner

roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate [...] enter the plant tissue via the feeding spots. Life cycle and appearance of American serpentine leaf miner The life cycle of a leaf miner has the following [...] potato. In greenhouses, it is mainly found on gerbera and chrysanthemum. Today the insect is widespread across the whole world. Damage symptoms Leaf miners

Enermix

carefully inside the greenhouse Bend and tear off the strips opposite to the mounting hole Make sure not to touch the pupae during handling Suspend the cards in [...] in the crop, if possible approximately 75 cm under the plant head Avoid to hang cards at places exposed to direct sunlight Dosage The dosage of Enermix [...] weekly intervals or until control is achieved. Depending on the specific situation, it may be better to switch to the use of En-strip or Ercal. Consult a Koppert

Leaf miners

before the harvest is affected. The size of a leaf tunnel depends on the stage of development of the leaf, the species of host plant and the species of leaf [...] belong to the order Diptera (the true flies ) and form the family Agromyzidae. This is a family of small flies whose larvae tunnel into the leaves of plants [...] There are many species of leaf miner affecting various crops in temperate parts of the world. Under natural conditions, the larvae of these species are p

Diglyphus isaea

Adult stage: The appearance of the adult is already clearly visible. Pupae are often visible through the leaf. The parasitic wasp escapes from the mine by making [...] programs. Diglyphus isaea is used for the control of the following pests: Leaf miners The parasitic wasp Diglyphus isaea is available at Koppert as Miglyphus [...] Diglyphus isaea The parasitic wasp Diglyphus isaea is available in a bottle ( Miglyphus ). Release parasitic wasps between the leaves of the crop in the morning

Parasitic wasps

begin to feed on the host pest. They consume the host from the inside, which ultimately leads to the death of the host. Pupal stage: After the larvae have consumed [...] suitable host pest. The choice of host depends on the specific species of parasitic wasp, as they often exhibit host specificity. The female parasitic wasp [...] emerges from the host's body or the cocoon. The host pest is typically killed in the process. Host feeding In addition to parasitization, some parasitic

Tomato leafminer

cycle and appearance of Tomato leafminer The female moth of the tomato leaf miner ( Tuta absoluta ) lays about 260 eggs. The eggs of the tomato leaf miner [...] mine inside the leaf, stem or fruit. In the second to fourth instars they become greenish with a black band behind the head. The prepupae of the tomato leaf [...] occur underneath the crown of the fruit and even inside the fruit itself. On leaves, the larvae only feed on mesophyll tissues, leaving the epidermis intact

Apple collar rot

from the root to the foot, but direct infection of the foot also occurs. Exudates leaking from growing root tips promote germination and attract the zoospores [...] water, since the zoospores can readily move through water. This explains why the disease spreads more rapidly when the water content of the soil or substrate [...] root system and black discolouration of the roots. On the foot, dark brown lesions with sharp borders occur. Above the graft and on leaves, dark brown, irregular

Beet armyworm

es for the growth of the crop. With a substantial population of caterpillars, the damage can spread to the stems, and in the worst cases to the fruit. [...] even black. The colour and pattern of the caterpillars is highly variable and depends partly on the host plant, the stage of development and the climate. [...] plants. In both the greenhouse and the field, it is a major pest of sweet pepper. Damage symptoms Older caterpillars migrate to the top of the plant where

Phytophthora blight

fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually circling the stem. On potato [...] from the root to the foot, but direct infection of the foot also occurs. Exudates leaking from growing root tips promote germination and attract the zoospores [...] leaf wetness is required. Dispersal is by wind and rain causes the pathogen to be returned to the soil from infected plants. Dispersal in the soil happens

Consumers

therefore the formation of fruit. Honeybees are traditional important pollinators of arable and horticultural crops. The bumblebee is a close relative of the [...] journey. The plant first has to form fruit before the tomato can actually start to grow. In nature, insects and other animals take care of the pollination [...] provide you with the best possible service as a consumer, we have drawn up a list of frequently asked questions. We hope you will find the answer to your