Black currant

About The black currant ( Ribes nigrum ) is a woody shrub and the plant is well known for its savory berries. It belongs to the family of Grossulariaceae [...] eae . The black currant originally comes from the milder regions of both central and northern Europe and northern Asia. The plants grows well in damp and [...] of small and glossy black berries appear along the stems. These can be picked by hand or by machine. The berries are extremely rich in vitamin C and polyphenol

Pear psylla

and orange red to blackish. They have white, longitudinal stripes on the back of the thorax. Their forewings are clear with dark veins. The eggs are oval [...] markings on the head and body. Pear psyllas overwinter as adults, sheltering on the bark of pear trees. The adults become active in spring and start to feed on [...] generation nymphs turn brown and die. Feeding later in the season may affect the harvest of the next year by weakening or killing fruit buds. Pear psyllas

Tree specialist Wolterinck: Control of oak processionary caterpillar with Entonem

witnessed the effect of Koppert’s nematode product Entonem on the oak processionary caterpillar . ‘We’ve been using nematodes for years. The product is our preferred [...] solution for urban areas.’ Wolterinck BV sprays the nematodes when the caterpillar egg casings begin to emerge. A second spraying may be needed, either [...] advocate Wolterinck BV is a staunch advocate of Entonem against the oak processionary caterpillar. Ivo de Groot continues, ‘The product has a guaranteed

Leek moth

hatching, the young larva explores the surface and mines the green leaves. On reaching the third instar, the larva penetrates the young leaves, the flower [...] spun on the surface of the leaves or on the flower-stalk of the host plant. The pupa is 7-8 mm long, its colour varies from light yellow in the beginning [...] triangle in the middle of the posterior edge of the forewings. The hindwings are uniformly grey. The moth are active at night and rest during the day. Development

Herbs

flavouring dishes or food products. In the culinary world, there is a strict difference between herbs and spices. Herbs are the leafy green or flowering parts [...] seeds, berries, roots, bark and fruits. Botanically speaking, ‘herb’ is synonymously to ‘herbaceous plant.’

Pea

About This popular vegetable is a round seed in the seed pod of the fruit, Pisum sativum . Pods of this plant develop from the ovary of a pea flower and carry [...] carry numerous peas. The vegetable is a bright green colour, sometimes yellow or purple and widely grown as a cool season vegetable crop. Immature peas

Cyclamen main pest pressures

pallidus , is a very tiny mite, only just visible to the naked eye, and is must commonly found in glasshouses. The mites may be concentrated around the buds [...] Swirski-Mite is also available in the new Ulti-Mite sachet. The application of loose mites to start with gives good overall coverage, and then the addition [...] feeding marks to the flowers. Their life-cycle is very temperature-dependent. Although thrips can be found at lower temperatures of 10 o c, the ideal development

Caterpillar control in greenhouse crops

The most harmful caterpillars that occur in the greenhouse belong to the Noctuidae, which is the largest of all the lepidopteran families. Their forewings [...] Tomato looper The Tortricidae are another group of caterpillars that affect greenhouse crops. The term ‘leafroller’ refers to the fact that the caterpillars [...] Always read the label and product information before use. Pay attention to the risk indications and follow the safety precautions on the label.

Pollination checklist Growing lights

sure the hives are not overheated by the lamps and other means, or by the sun in spring and late autumn. The later the lights are turned on, the more [...] connecting the transmitter to the climate computer. Heat Do not turn the lights on before midnight Screens and filters Place the Natupol hive with the WBH [...] need max. 2 hours to return to their hive 15:00 Do not keep a hive closed for longer than one day unless additional pollen is fed to the bees. Bumblebee

Monitoring