Horse-chestnut leaf miner

the fourth instar. The pupa is brown and is 2.9-4.5 mm long. The horse-chestnut leaf miner overwinters in the pupal stage in a cocoon in dead leaves. The [...] generations develop. Trees with a low number of attacked leaves are not greatly affected, but when the entire surface of leaves is covered with mines, the leaves [...] cycle and appearance of Horse-chestnut leaf miner The adult moth is 4-5 mm long and a rich brown colour with bright white chevrons edged with black. The

Open field pollination

early risers, is recommended. Natupol Booster is developed for crops with a short (one to four weeks) intensive blossom period and which produce a lot of nectar [...] Pollination plays a pivotal role in the formation of fruits and seeds. In the context of open field crop cultivation, effective pollination is key to bountiful [...] and fruit set only lasts a few weeks. During this crucial time, efficient and active pollinators, such as bumblebees, are a must. The best pollination

How to protect bumblebees from heat

it is crucial to ensure effective pollination to support crop production and maintain high yields for growers. To ensure a positive result, it is crucial [...] maintain a temperature of 28°C inside the hive in any environmental conditions. Above 28°C the pollination capacity is reduced as their activity is focused [...] be reduced if the humidity is too low or radiation is too high. In conventional greenhouses, the recommended humidity range is 60-75%. Due to better air

Phytoseiulus persimilis

by predation. Phytoseiulus persimilis is highly specific and is only effective against spider mites that produce a large amount of webbing. It can move [...] outbreak is quickly and effectively dealt with, but the disadvantage is that it disappears rapidly in the absence of suitable prey. When prey is in short [...] situation. Release should be repeated biweekly if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice

Vidi Parva

plant canopy. Application as drench or via the irrigation system: A separate tank/container is recommended for the proper preparation and application of the [...] from 3-5 litres/ha Applications should be repeated once Consult a Koppert advisor or a recognised distributor of Koppert products for advice on the best [...] the root zone Application via spraying: Always ensure that the spray tank is clean Ensure good crop coverage Dosage The dosage of Vidi Parva depends on

Neoseiulus californicus

90°F) and is sensitive to relative humidity below 60%. Neoseiulus californicus in bottles The predatory mite Neoseiulus californicus is available in a bottle [...] Release should be repeated after 4 weeks if the pest is not controlled. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] pollen. Feeding behaviour of Neoseiulus californicus Neoseiulus californicus is a selective predator of Tetranychid mites, i.e. it prefers to feed on spider

Grapes

Morocco and Portugal, southern Germany and Iran. The grape is the fruit of this plant and is actually a berry. Grapes are consumed fresh and they are processed [...] About The common grape vine ( Vitis vinifera ) is a species of Vitis . The plant comes originally from the Mediterranean region, central Europe and so [...] are between 5,000 and 10,000 varieties of Vitis vinifera grapes, but only a few play an important commercial role when it comes to the production of wine

Verticillium wilt

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 [...] may occur only in parts of the plant. Cutting the stalk horizontally reveals a slight discolouration of the vessels, brown or greenish, but much less distinct [...] produces spores that are transported upwards with the transpiration stream. As a defence mechanism, the plant produces gum in the vessels. The presence of both

Box tree moth

brown with a dark pattern towards the end of pupation. There are two variants of adults. The most common one is mostly iridescent white with a dark brown [...] brown band at the outer margin and a characteristic white spot on the forewing, while the other is mostly light brown with a white spot on the forewings. The [...] death of the tree. As the tree is extensively traded within Europe, the box tree moth ( Cydalima perspectalis ) poses a serious threat as invasive species

Don Sanchez Fresh innovates with biological control in avocados

says: "One of the reasons why we are getting into biological control is because a law is coming that will limit the use of many molecules and insecticides [...] Don Sánchez Fresh is a producer of avocado, berries and other agricultural crops. Their successful experience with biological control of pests and diseases [...] raspberry production when it successfully controlled the white mite, a pest that had been a major problem for several berry growers in the region. That was