Swirski-Mite

material remains on the introduction site for at least a few hours after introduction Can also be applied with Natutec Airobreez, Natutec Mini-Airbug, Natutec [...] range from 25-300 per m2/release. Releases should be repeated if necessary. Consult a Koppert advisor or a recognized distributor of Koppert products for [...] Amblyseius swirskii is sensitive to relative humidity below 60%. Combined use Can be combined with Orius spp. and whitefly parasitoids. Do not combine with other

Black root rot of cucurbits

The lesions can be enclosed by pseudostromata: dark coloured tissue that looks like black stripes. The disease is usually restricted to a few of the roots [...] Phomopsis sclerotioides survives in the soil and is a strong saprophytic competitor, which means it can rapidly colonize ‘clean’ or sterilized soil and substrate [...] aggregates, so disinfection needs to be applied thoroughly and evenly. Phomopsis sclerotioides forms sclerotia which can survive adverse conditions for years

Aphipar

from 0.25-4 per m 2 /release. Releases should be repeated at least 3 times. Consult a Koppert advisor or a recognized distributor of Koppert products for [...] develops inside the aphid, which converts into a leathery mummy. The adult parasitic wasp emerges through a hole at the rear of the mummy. The first mummies [...] introduction site for at least a few days Dosage The dosage of Aphipar depends on climate, crop and aphid density and should always be adjusted to the particular

Verticillium wilt

senescence, without any other typical symptoms. In many crops, the fungus can be present without clear symptoms or with only partial wilting. Life cycle [...] plant takes place via water, soil particles, tools, etc. Verticillium can also be seed-borne and tuber-borne. The optimum temperature for Verticillium [...] wilt Start with clean soil or substrate by heating it at a temperature if at least 65 o C for a minimum of 30 minutes Use clean seed, tubers or cuttings

Pollination checklist outdoor

other's pollination work and can therefore be released into the same crops. Position a bumblebee hive at least 100 metres away from a honeybee hive, out of the [...] outdoor crops can be achieved by following the recommendations shown below. The recommendations have also been collated and published in a booklet supplied [...] flowering period. For instance, position the hive on a crate or on a stack of stones. Flowering weeds may be visited by bumblebees in addition to the target

Western flower thrips

ground, although pupae can also be found on leaves, in flowers or in other sheltered places. The prepupal and pupal instars can be recognized by their developing [...] greenhouse crops. The western flower thrips (Frankliniella occidentalis) can be found on a wide variety of plants, including many vegetable and ornamental crops [...] further, the leaves and flowers can appear grossly deformed. Severely infested flower buds may not open at all. Fruits can also be damaged, even at low densities

Consumers

time a delicious little tomato reaches your plate, it has already had a very long journey. The plant first has to form fruit before the tomato can actually [...] to combat pests and diseases in a natural and sustainable way. In this way, we hope to make an active contribution to a sustainable society, with safe food [...] sufficient quantities to feed a rapidly growing population. Producing our natural enemies, bumblebees, and microbiological solutions is a knowledge-intensive process

Cotton bollworm

on leaves. They are almost spherical with a flattened base and a diameter of about 0.5 mm. They are at first a shiny yellowish white, with their colour [...] creating small holes. When they reach the second instar, they can penetrate fruit through a small hole, often bored near the stalk. During development, the [...] the caterpillars damage most fruits by mining. All fruits can be damaged, although the preference is for smaller specimens. The fruits stop growing, mature

Bacterial canker of tomato

potatoes or other Solaneceaous crops can be planted for five years. On other fields on the same farm, no seed potatoes can be grown for one year after infection [...] crop is old, only the plants in the infected area, with a substantial buffer zone. Replanting can only take place after thorough disinfection has been proven [...] and in the field, spraying may also spread the bacteria. The bacteria can also be dispersed by machinery, crates and tools. The bacteria infect the new

Fusarium wilt

General Fusarium is a group of soil-borne fungi with many different species. Fusarium is widespread and can infect a range of host crops. Many species [...] of the xylem vessels which can be seen when the stems are cut. In banana, whole plantations may die and the soil may not be suitable for planting for many [...] residues Choose resistant cultivars Use clean propagation materials (seed can be treated effectively with hot water) Use clean substrate in greenhouse crops