Aphids

for maintaining healthy, productive crops. Biological control of aphids uses a combination of natural enemies that attack aphids in different ways: Parasitic [...] aphids have two pairs of wings, one of which is much larger than the other. For a large part of the season an aphid population consists of viviparous females [...] during each of these moults, betraying their presence in the crop. There are two types of aphid species: those that change to other host plants in the winter

Green peach aphid

therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] photosynthesis in the leaves is reduced, affecting production. The aphid’s saliva can induce strong “allergic” reactions such as malformations of the growing [...] and appearance of green peach aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When

Ervipar

Mode of action Adult parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develop inside [...] adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first introduction [...] slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage of Ervipar

Aphipar

Mode of action Adult parasitic wasps emerge from the mummies and females lay their eggs into aphids . The next generation of parasitic wasps develops inside [...] adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies are noticed in the crop around 10-14 days after the first introduction [...] slabs or in Diboxes Make sure the material remains dry and is not moved from its introduction site for at least a few days Dosage The dosage of Aphipar

Miglyphus

Release parasitic wasps between the leaves of the crop in the morning or in the evening Dosage The dosage of Miglyphus depends on climate, crop and leaf [...] Lyriomyza spp.). Mode of action Adult female parasitic wasps of Diglyphus isaea kill second and third instar leaf miner larvae in the mine and lay their [...] source. This is known as host feeding. Visual effect The presence of Diglyphus isaea in the crop is signalled by short mines that contain dead leaf miner

Tomato leafminer

place in the soil or on the surface of a leaf, in a curled leaf or in a mine. If they leave the mines they build silk cocoons on the leaflets or in the soil [...] 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 [...] tomato leaf miner (Tuta absoluta), a major pest of field- and greenhouse-grown tomatoes, belongs to the family of Gelechiidae . It is oligophagous, feeding mainly

Potato aphid

therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit [...] market. At the same time, photosynthesis in the leaves is reduced, affecting production. Life cycle and appearance of Potato aphid Aphids have a complex life [...] winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young aphids are born as developed nymphs. They immediately

Cotton bollworm

bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton bollworm ( Helicoverpa [...] ely 18 to 19 mm in length and have a wingspan of about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black spots, and [...] mature rapidly, and drop off. In legumes, flowers are attacked, and seed pods may be pierced. Life cycle and appearance of Cotton bollworm Eggs are deposited

General Conditions Koppert

compensation T of any damages suffered in any manner as a result of late delivery, excepting in cases of intent or gross negligence on the part of Koppert. The [...] payment of this interest. In addition, the Buyer is obliged to compensate Koppert in full for the losses Koppert suffers as a result of a fall in the exchange [...] s and/or Products are to be used, if upon the conclusion of the agreement the Buyer has made specific reference in writing of both the use in the specific

Pomegranate bacterial blight

over-use of nitrogen fertilizer, micronutrient deficiency and reduced plant health leads to swift development of bacterial blight. Symptoms Development of [...] with oily appearance. Splitting of fruits under severe infection. Disease cycle Infected cuttings are the main source of inoculum and wind splashed rains [...] plays important role is spread of the disease. Intermittent rainfall followed by cloudy weather favours the disease development and further spread. Management