• Rice

  in Asia. Rice is a monocotyledon and is usually cultivated as an annual plant. In tropical climates however, it can be grown as a perennial and can produce [...] produce a ratoon crop for as long as 30 years. The edible seeds of the plant (caryopsis) are usually between 5-12 mm (0.20–0.47 in) long and 2–3 mm (0.079–0

• Radish

  is an edible root vegetable that belongs to the Brassicaceae family. This plant was already domesticated in Europe in pre-Roman times. Radish comes in several [...] flavour that derives from the chemical components that are produced by the plant, namely glucosinolate, myrosinase, and isothiocyanate. Radish is now produced

• Buxatrap and Capsanem: an ideal and effective combination for early detection and biological control of box tree moth 

  April 29, 2021

  develop in large numbers and in severe cases kill box tree plants. The caterpillars will defoliate plants and leave skeleton like leaves with webbing that can [...] cover the entire tree. They can even bore into the bark of more mature box plants. Box tree caterpillars are green with distinctive black stripes and white [...] effectively kill young box tree moth larvae (that is why early detection of the pest is crucial). It is recommended that the nematodes are applied when there

• Banana

  a nutritious fruit that grows from various large, herbaceaous flowering plants belonging to the genus Musa . Botanically speaking the fruit is a berry [...] or brown when ripe. Bananas grow in bunches downwards from the top of the plant. Nowadays, almost all edible, seedless (parthenocarpic) bananas derive from

• Daring approach to thrips at Porta Nova pays off

  December 22, 2020

  thrips in a planting of roses that were less than one year old. A daring yet effective approach – thanks in part to a temporary overkill, the pest has kept [...] Naomi cultivars. ‘Plant protection in White Naomi is harder than in Red Naomi. The White Naomi crop is fuller, which means that pests find it easier to [...] to thrips. At Porta Nova , Peter Lansbergen is the man responsible for plant protection. Peter started working at Porta Nova a year ago, and one of the

• Ervipar

  Pests Especially for potato aphid ( Macrosiphum euphorbiae ) and glasshouse potato aphid ( Aulacorthum solani ). Ervipar also parasitizes tobacco aphid [...] to the particular situation. Start introduction preventively soon after planting of the crop. Introduction rates typically range from 0.25-2 per m 2 /release

• Cottony soft rot

  Remove diseased plants in a closed plastic bag Remove crop residues Prevent plant diseases by optimizing plant potential and crop resilience. [...] sclerotiorum, also known as cottony soft root, is a plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony [...] above-ground plant parts. In greenhouses, usually only mycelium is produced by the germinating sclerotia. The fungus grows quite rapidly inside the plant and kills

• Damping-off

  inadequate drainage or improve the drainage before planting/sowing. Prevent plant diseases by optimizing plant potential and crop resilience. [...] young plants and damage is more extensive in young crops. Damage symptoms Pythium affects roots, in particular those of seedlings. Infected plants lag in [...] In slightly older plants, the leaves lose their turgor or the leaf tips turn yellow, for example in flower bulbs. At first, the plants recover during the

• Grey mould

  of the plants. In cucumber and tomato the fungus causes lesions on pruning wounds. These lesions may encircle the stem, so the part of the plant above the [...] cinerea ) affects the fruit. In potted plants, the cuttings die due to carry-over infection from infected parent plants. Life cycle and appearance of Grey [...] happens at very high relative humidity (RH > 93%) on dry plants. The germ tube grows into the plant. Grey mould ( Botryotinia fuckeliana / Botrytis cinerea

• Black leg of seedlings

  in flower bulbs. At first, the plants recover during the night, but later the plants wilt irreversibly. In potted plants the flower buds fall off. The side [...] inadequate drainage or improve the drainage before planting/sowing Prevent plant diseases by optimizing plant potential and crop resilience. [...] particular those of seedlings. Infected plants lag in growth. Seedlings fall over (‘ damping-off ’). In slightly older plants, the leaves lose their turgor or