• Bean seed fly

  seedlings. Poor growth: Bean seedlings may fail to emerge or show stunted growth compared to healthy plants. Damage to seeds: Darkened or damaged seeds, as bean [...] the bean seed fly. To implement this method, nematodes are applied to the soil. Growers can use their standard spraying equipment to apply the nematodes [...] these symptoms early, you can take prompt action to address the infestation and minimize damage to your crop. Recognise bean seed fly The adult bean seed

• European red mite

  in diameter, dark red, and oval with small ridges running top to bottom, with a thin stalk on top. They look a bit like an onion. Adult females are about [...] mainly on the undersides of leaves but moves to upper leaf surfaces when the lower side becomes crowded. Contrary to the two-spotted spider mite , Tetranychus [...] all important apple growing areas of the world. European Red Mite Control with Predatory Mites Damage symptoms Feeding of European red mites on leaves of

• Downy mildew of Cucurbits

  most fluffy symptoms are found. How to prevent Downey mildew Choose resistant cultivars Use a wide crop rotation with non-host crops Prevent a humid m [...] temperature is to this, the shorter the leaf wetness period that is required. Inside the plant, the pathogens produce haustoria, small organs with which the [...] mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and Phytophthora. They survive as oospores. From these oospores or

• Bacterial spot

  and handling and aerosols. Many isolates are resistant to copper-containing pesticides. How to prevent Bacterial spot Use clean propagation material and [...] a halo. In pepper, the spots on the leaves are also round and small to start with and slightly raised from the leaf surface. They occur on the abaxial [...] of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the leaves that

• Shallot aphid

  cycle, with both winged and wingless forms of adults and a great variety in colour. In greenhouses, reproduction takes place by parthenogenesis, with unfertilized [...] viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each moult they shed white skin [...] brownish green to dirty yellow. Their legs and antennae are pale, apart from the ends of the antennae and the tarsi. The siphunculi are short an swollen towards

• 100% Sustainable Agriculture

  and holistic approach to crop health and resilience is unique; it offers an integrated approach to today’s progressive farmers. With the combination of the [...] Pioneering is not new to Koppert. In fact, it’s in our DNA. Fifty years ago our founder was the first to introduce a natural enemy to combat spider mite in [...] of knowledge and experience to the field of Agriculture. Working together with farmers We look at the problems at hand with fresh and experienced eyes.

• Glasshouse potato aphid

  is, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each [...] are yellow-green, with a brown head, a dark thorax and a dark abdomen that has pale to dark transverse bands. The body shape is similar to wingless females [...] 0 mm long) and oval in shape. It has a light yellow-green to brown-green colour, and has an overall shiny appearance. Antennae are marked by a number of

• Plum

  fruit that belongs to the subgenus Prunus as well as the genus Prunus . This fruit comes in many species, and taxonomists cannot agree on how many exactly. [...] Depending on who you are asking to, between 19 and 40 different species of plum currently exist. However, only two species, the hexaploid European plum [...] diameter) and its shape is globose or more oval. The plum’s skin is soft with a natural wax layer.

• Phytophthora blight

  causes water-soaked lesions with vague borders and white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem [...] resistant to desiccation) or mycelium. Zoospores are formed from the overwintering structures which infect the host. Zoospores are spores with flagellae [...] flagellae which enable them to move through water. Infection is usually from the root to the foot, but direct infection of the foot also occurs. Exudates leaking

• Green peach aphid

  is, with unfertilized viviparous females continuing to produce new generations of females. Aphids moult four times before reaching adulthood. With each [...] now a pest with a world-wide distribution. The green peach aphid ( Myzus persicae subsp. persicae ) is a particularly polyphagous aphid with summer host [...] sugars, but has a low protein content. Aphids therefore need to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the