• Neoseiulus cucumeris

  pollen, which is useful for instance in sweet pepper crops as the predatory mite can establish itself in the crop before the pest appears. The success of [...] hairs or in the axils of main and side veins. They are oval, white and have a diameter of approximately 0.14 mm. The larvae have six legs, are the same colour [...] Thripex -Plus). In this case the predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. Hang sachets in sheltered

• Strawberry

  means that the fleshy, edible part of the fruit does not develop from the plant’s ovaries, but from the receptacle that holds these same ovaries. The so-called [...] strawberry is a well-known hybrid species of the genus Fragaria (collectively referred to as the strawberries). Technically speaking, the strawberry is a so-called [...] so-called ‘seeds’ (achenes) that are visible on the strawberry’s skin, are in reality the ovaries of the flower with a seed inside.

• Fusarium spp.

  This species is the only Fusarium that actually grows inside the vascular system of the host plant and spreads upwards inside the plants. The other species [...] upwards. At the same time, the plant produces gum as a defence mechanism to stop the fungus from spreading. This gum blocks the xylem and causes the wilting [...] wilting which is the main symptom of this Fusarium species. Higher up in the plant, the microconidia germinate and infect the surrounding tissue. On infected

• Amblydromalus limonicus

  oval, white, and are approximately 0.14 mm in diameter. The larvae have six legs, are the same colour as the eggs, and are only slightly larger. The larvae [...] fluids from leaves, which is useful for instance in sweet pepper crops as the predatory mite can establish in the crop before the pest appears. Amblydromalus [...] other mites struggle. In tomato, use of Amblydromalus limonicus is not recommended as it is hindered by the glandular hairs on the stems and leaves and

• Spidex Vital lives up to its promises

  game changer in spider mite control. It changes the rules of the game and is even more in control of spider mites . And the grower reaps the benefits.’ [...] calm to the farm.’ He states that the weather conditions have been favourable up to now. But, he says, the summer is yet to come. ‘Later on in the season [...] eggs.’ This corresponds with the explanation Sjaak received from consultant Ron Delissen and with what Koppert promised in the leaflet, he tells us. ‘Spidex

• Black sigatoka disease

  one month old. The symptoms run parallel to the veins. Within a few days, the spots become a few centimetres in size and turn brown with light grey centres [...] same symptoms. They enter the leaf through the stomata. After infection, hyphae emerge from the stomata and either develop into conidiophores with new [...] them, so the spores cannot be discharged from the lower leaves in the stack Use under-canopy (drip) irrigation to reduce splash dispersal Lower the humidity

• Anagyrus vladimiri

  dimorphism: the female is about 1.5-2 mm in length and brown, with distinctive black and white banded antennae. The male is 0.8 mm in length and black in colour [...] Hang the bottle in the crop, out of direct sunlight Deploy in or near the mealybug colonies Leave bottles in the crop for at least two weeks Carry out [...] Anagyrus vladimiri The parasitic wasp Anagyrus vladimir is available in a bottle ( Citripar ). Remove the label from the bottle according to the instructions

• Diglyphus isaea

  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 [...] body, and the third larval instar is blue-green. The full-grown larva usually pupates in the mine some distance from the dead host. Pupal stage: The pupa lies [...] seen in the pillars that remain visible as black spots in the leaf. The adult is metallic green to black in colour and unlike D. sibirica has short antennae

• Broccoli

  About Broccoli is a tasty, green plant. When it comes to botanical classification, the broccoli plant is categorized as part of the Italica cultivar group [...] belongs to the species Brassica oleracea. Broccoli looks a lot like cauliflower, which belongs to a different cultivar group of the same species. The plant [...] head that is usually green. The head looks a bit like a tree and branches out from a single thick, edible stalk. Broccoli (both the head and the stalk) can

• Wheat

  specifically the Levant region that lies east of the Mediterranean. The wheat plant is an annual plant which is sown either in spring or autumn. The plant flowers [...] flowers from about the end of May to the beginning of June. This flowering period is rather long (usually lasting longer than a week), because not all flowers [...] flowers of one single plant open at the same time.