• Bedding plants

  parks. There is a wide range of plants especially produced to demonstrate coloured flowers in spring and summer. They are easily divided in four different [...] disposed of: tulip, narcissus, gladiolus, hyacinth, canna, dahlia. Recommended for you Heidi Doering Cited As Integrated Plant Health Expert Trianum can hold [...] Vital The nematodes are doing their job Keep a Close Eye on Thrips Biocontrol for Spider Mites Aphids and How to Protect Your Crop Just How Compostable are

• Western flower thrips

  western flower thrips (Frankliniella occidentalis) is the most important vector for both tomato spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV) [...] with a large head and bright red eyes. Adult females are very variable in colour. They range from almost white through yellowish orange to almost black.

• Rhizoctonia solani

  On the diseased areas, sclerotia can be seen, but they vary in size and colour and are therefore not a good feature to determine the cause of the disease [...] that are generally growing well are less susceptible. Optimum temperature for infection is between 15 and 18 °C, but infection still occurs at 35 °C. Disease [...] the plant onto the soil and thus increase the pathogen density in the soil for the next crop. The mycelium grows in a typical way, with branching at 90 degree

• Garden chafer

  like oak, hazelnut and birch and on the flowers and developing fruits of, for instance, roses and cherries. Damage symptoms The garden chafer ( Phyllopertha [...] Low swarming flights just above the soil surface are very characteristic for the garden chafer ( Phyllopertha horticola ). These flights are carried out [...] length. Pupation takes place around March or April. The pupae are cream-coloured to light brown.

• Sciarid flies

  attracted to a broad range of pathogenic and non-pathogenic micro-organisms for oviposition. Indirect damage is caused by the larvae and adults transferring [...] plant stems. The injuries caused by feeding also provide invasion routes for various pathogenic fungi. Because the larvae move very little, plant death [...] year round. The eggs are minute (0.1 to 0.25 mm) and yellowish white in colour. They are laid on the ground surface close to plant roots. The larvae can

• More Sustainable Nematode Formulation

  December 28, 2020

  the look & feel of the new formulation, except for the bags in the outer box which have a different colour now, namely green": says Product Manager Cyrille [...] Excellent Dissolvability A new formulation will gradually become available for our Steinernema feltiae and Steinernema carpocapsae based nematode products [...] dissolvability, and sustainability," says Cyrille. "Formulation is paramount for a healthy and successful nematode product range. This certainly gives Koppert

• Tomato leaf miner

  occurs in greenhouses. The tomato leaf miner has been found in greenhouses for decades, but has become a common pest since the 1960’s, particularly in sweet [...] instar and the adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females feed

• American serpentine leaf miner

  between these ‘plate mines’ and normal mines, making it an unreliable criterion for the identification of the species. Indirect damage arises when disease causing [...] instar and the adult fly. Adult leaf miners are small yellow and black coloured flies , at most only several millimetres long. When the adult females feed

• Southern European marshland pyralid

  cinerea . In gerbera, the flower buds may also be eaten. It has even been known for the caterpillars to inflict damage to the roots of crops cultivated in an [...] The full-grown caterpillars are 20 to 30 mm long and have a creamy white colour. Along the dorsal surface of the body there are pairs of dark dots. The

• Diamond back moth

  Throughout their development, larvae remain quite small and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious [...] along the back, which is sometimes constricted to form one or more light-coloured diamonds, thus the common name diamond back moth. The moths are weak fliers