• Amazone Plants continues the path of organic cultivation

  protection is an additional pillar that supports this position. ‘This type of plant protection is a godsend for us.’ Amazone Plants was established in 2010 [...] longer period. This means that there is always a strong population in the greenhouse crop and control of the thrips is maintained at the right level. The [...] will be a success.’ Biological plant protection is so much better Amazone Plants controls aphids with a combination of the Aphipar parasitic wasp and the

• Root rot of carrot

  As far as is known, Daucus carota (carrot) is the only host plant of the fungus. How to prevent root rot of carrot Studies have shown that 3several key [...] symptoms Rhexocercosporidium carotae is a slow-growing fungus that can infect both roots and foliage. The infection starts with small black spots over the entire [...] soil and the air. The fungus develops at temperatures ranging from -3°C to 25°C, with an optimum around 18°C. Lesions are dark brown to black, moist, mostly

• Grey mould

  cinerea) is considered a weak pathogen, only infecting weakened or damaged plants. How to prevent Grey mould Make sure the crop grows regularly with not too [...] General Grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is a commonly found fungus in many environments. It survives in plant parts like bulbs [...] storage. In lettuce, grey mould ( Botryotinia fuckeliana / Botrytis cinerea ) is part of the foot rot complex, which causes rotting of the foot and may cause

• 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 [...] mycelium cells) or mycelium. Survival is also possible on seed, greenhouse structures, tools and machinery. Primary infection is either seed-borne or takes place [...] fruit rot, head blight in cereals and post-harvest decay. Fusarium oxysporum is the species causing vascular wilt. First the leaves turn yellow and wilt,

• Black bean aphid

  black bean aphid, Aphis fabae , is widespread in temperate regions, where it is a serious economic pest of beans. It is highly polyphagous, and attacks [...] yellow with darker tips. Adult wingless aphids are 1.5-3.1 mm long. Recommended for you Chrysoperla carnea Adalia bipunctata Effective control with Chrysopa-E [...] Damage symptoms Economic damage by black bean aphid is mainly due to direct feeding damage. Indirect damage is caused through the transmission of plant viruses

• Potato aphid

  m euphorbiae ) is of North American origin, but is these days distributed throughout the world. It is a highly polyphagous species with a preference for [...] aphids are 1.7 - 3.6 mm long, elongated, with a dark longitudinal stripe running along the dorsal surface. In green individuals, this stripe is dark green, [...] while in pink specimens it is dark red. This longitudinal stripe is specifically characteristic of the potato aphid and is particularly visible in the

• Yellow rose aphid

  It is also holocyclic in parts of Europe, whereas throughout most of the world it is anholocyclic (i.e. only multiplying parthenogenetically with viviparous [...] General The yellow rose aphid , Rhodobium porosum , is probably of North American origin but is now widely distributed in Europe, North Africa, parts of [...] result, the plant’s growth is retarded giving rise to deformed leaves. Retarded growth and defoliation reduce yield. Plant sap is rich in sugars, but has

• Diamond back moth

  dark, sometimes suffused with ochre or mixed with whitish scales. The lower one-third of the forewing is ochreous-white, with a nearly white upper edge [...] xylostella) is suggested to have its origin in Europe, South Africa or East Asia, but is now present wherever its cruciferous hosts exist and it is considered [...] larval instars. The body tapers at both ends and is green, sometimes suffused with pale yellow, with a few short hairs and small white patches. The larva

• Cabbage leafroller

  appearance of Cabbage leafroller An adult female is 12 mm long and is ochre-yellow with darker markings. The male is slightly smaller and slimmer, more clearly [...] shield. The body is drab brown with lateral stripes that are sometimes light in colour. The ventral surface is lighter than the dorsal, with hairs located [...] General The cabbage leafroller (Clepsis spectrana) is native to North-West Europe. It is a highly polyphagous species causing damage to field grown cabbage

• Green peach aphid

  peach tree, is native, however it is now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly [...] persicae subsp. persicae ) is the most important vector of viral diseases. It can transmit at least 100 different viruses and is thus rightfully feared by [...] have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When reproduction is asexual, the young aphids are