• Bacterial wilt, brown rot

  becomes grey-brown and the tuber eyes also turn grey-brown. This disease can be distinguished from Clavibacter by the bacterial slime produced from wounds [...] the roots of infected plants to neighbouring plants. The bacteria can also be transported by irrigation water. Disease incidence is highest when soil moisture

• Optimal placement of bumblebee hives

  the hives, while direct sunlight should be avoided during warmer periods. Yet, bumblebees need sunlight to be effective pollinators. Additionally, it is [...] enhance the pollination efficiency of bumblebees. The following steps can be taken to increase the productivity of bumblebees: To ensure successful co [...] throughout the day. In case of insufficient shade, additional measures should be taken, especially in autumn when the Wireless Beehome System is closed. In

• Root rot of carrot

  leaves that vary in colour from grey to almost black. The spots appear to be sharply defined, but under a magnifying glass it appears that the infected [...] Mechanical harvesting always causes some damage to carrot roots, which can be infected by Rhexocercosporidium carotae . Pre-storage treatments to harden

• Tomato russet mite

  areas where they are grown. Other members of the plant family Solanaceae may be affected to a lesser extent. Damage symptoms Damage is caused by the mites [...] rusty brown colour, and in serious cases they may snap. The fruit can also be affected, and when this happens in tomatoes, the skin becomes coarse and turns [...] They are elongated (torpedo-shaped), soft and segmented. The body appears to be divided into two parts: the head with the mouthparts, and the rest of the

• Rhyzobug

  use Can be combined with Aphytis melinus. Storage time after receipt Apply as soon as possible after receipt. If necessary, the product can be stored for [...] Rhyzobug in the evening. Open the cap and tap the beetles directly on the plants. Be aware that adults may not fly away immediately after release. Dosage The dosage [...] Rhyzobug depends on climate, crop and armoured scale density and should always be adjusted to the particular situation. Start introduction as soon as the first

• Shore fly

  they feed on green algae. However, they can transmit plant diseases and can be a nuisance to greenhouse works by their sheer numbers. Frass deposited on [...] can occur on such a scale that growth, particularly of young cuttings, can be retarded. Life cycle and appearance of Shore fly The life cycle of the shore [...] The wings have grey-brown patches. Although shore flies can occasionally be confused with sciarid flies ( Bradysia paupera & Lycoriella ingenua) , they

• Mushroom

  large enough to be observed with the naked eye). They can appear either below ground (hypogeous) or above ground (epigeous) where they may be picked by hand [...] hand. Edibility may be defined by criteria that include absence of poisonous effects on humans and desirable taste and aroma. Most mushrooms sold in supermarkets

• Steinernema feltiae

  should be removed, especially if finer than 0.3 mm (50 mesh) Use a maximum pressure of 20 bar/290 psi (on nozzle) The spray nozzle opening should be at least [...] 35°C/95°F can be lethal Nematodes are susceptible to ultraviolet light (UV): do not use them in direct sunlight The moisture content of the soil must be kept high [...] horticulture. How to apply Steinernema feltiae nematodes ​​​​Nematodes can be applied using an airblast sprayer, a vehicle-mounted spray unit, a backpack

• Heterorhabditis bacteriophora

  should be removed, especially if finer than 0.3 mm (50 mesh) Use a maximum pressure of 20 bar/290 psi (on nozzle) The spray nozzle opening should be at least [...] 35°C/95°F can be lethal Nematodes are susceptible to ultraviolet light (UV): do not use them in direct sunlight The moisture content of the soil must be kept high [...] horticulture. How to apply Heterorhabditis bacteriophora nematodes? Nematodes can be applied using a watering can, an airblast sprayer, through a sprinkler system

• Cabbage looper

  it can also be found in crops such as tomato, pepper, some cucurbits, soybean, sesame and cotton. One of the reasons why this plague can be serious is that [...] appetite and can daily consume up to three times their body weight. Plants can be severely defoliated and stunted. Life cycle and appearance of Trichoplusia