• Cottony soft rot

  Root infection often leads to premature wilting and death of plants. Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum [...] plant pathogenic fungus. It has a very wide range of host plants. Damage symptoms The first symptoms of a cottony soft root ( Sclerotinia sclerotiorum ) [...] infection mostly take place at high soil water content over a prolonged period of time. The sclerotia germinate directly and form mycelium or produce apothecia

• Chafers

  General The chafers are beetles of the Scarabaeidae family. The larvae of both species live in the soil and feed on the roots of many plants. They are a serious [...] by birds and small mammals digging for the grubs to eat them. Life cycle and appearance of Chafers Adult Amphimallon sostitialis are 14-18 mm long and yellowish [...] Damage symptoms Larval feeding on the roots can lead to yellowing and wilting of plants. Damage can be severe on young plants and especially in grassland and

• Click beetles

  wireworms and feed on the roots of many plants. Damage symptoms The click beetles feed on the roots and bore into the base of plants. This can cause the plants [...] plants to wilt and die. Damage is more severe in young plants. Life cycle and appearance of Click beetles Adult Agriotis sp. are 6-10 mm long and yellowish

• Cryptolaemus montrouzieri

  ceases at temperatures below 9°C. Life cycle of Cryptolaemus montrouzieri You can recognize the different life stages of the predatory beetle Cryptolaemus [...] controlling large populations of mealybugs. Once the supply of mealybugs becomes inadequate, the ladybirds fly off in search of new prey. Sometimes the larvae [...] beetle Cryptolaemus montrouzieri is used for the control of the following pests: Mealybugs : e.g. citrus mealybug ( Planococcus citri ), long-tailed mealybug

• Eretmocerus eremicus

  ns. Adults of this species do not feed on whiteflies but instead rely on nectar and honeydew for nourishment. Life cycle and appearance of Eretmocerus [...] biological control agent of whiteflies in agricultural and horticultural settings. Eretmocerus eremicus is used for the control of the following pests: Tobacco [...] may be better to switch to the use of En-strip or Enermix/Ercal. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the

• About bumblebees

  benefits of bumblebees: Bumblebees provide maximum insurance for optimal pollination , due to their high amount of flower visits and large transfer of pollen [...] they are much less aggressive than honeybees Production of bumblebees The natural life cycle of the bumblebee is copied under laboratory conditions at our [...] conditions that are needed to ensure maximum availability of high quality bumblebee colonies. Life cycle of bumblebees In nature, bumblebee queens hibernates alone

• Crazy roots, hairy roots, crown gall

  excessive vegetative growth occurs. Life cycle and appearance of Crazy roots, hairy roots, crown gall The primary source of infection by Rhizobium rhizogenes [...] bacteria that fix nitrogen after becoming established inside root nodules of legumes. Additionally, pathogenic Agrobacterium s pecies have recently been [...] vitis, Agrobacterium rhizogenes and Agrobacterium rubi, n ow the first part of the name is changed to Rhizobium. Rhizobium rhizogenes or Rhizobium radiobacter

• Early blight

  leathery lesions occur at the side of the stem. Life cycle and appearance of Early blight From the primary infection of leaves, Alternaria solani can spread [...] infection of the leaves. Survival can be several years, up to eight years for several Alternaria spp. Typically, Alternaria causes early blight of potato [...] humidity (RH) of over 90% or when the leaves are wet. Small differences in optimum temperature occur between species, but in general the risk of Alternaria

• Entonem

  size 50 million - 1 sachet of 50 million in a box. 500 million - 2 sachets of 250 million in a box. 2,500 million - 10 sachets of 250 million in a box. D [...] contents of the bucket into the half-filled spray tank (except when tank mixing with a compatible product) Maintain agitation of mixture in the tank (e.g. with [...] required amount of water If tank mixing with a compatible product, add Entonem at the end to a fully filled tank Apply directly after preparation of spray solution

• Black rot of carrots

  n. Species may differ in specific symptoms. Life cycle and appearance of Black rot of carrots Black rot of carrots ( Alternaria radicina ) is a seed-t [...] are the main source of primary infection and this may lead to death of seedlings. From the primary infection of leaves, this type of carrot disease can [...] crop residues and cause primary infection of the leaves. Survival can be several years, in the case of black rot of carrots ( Alternaria radicina ) up to 8