• Leaf stripe

  systemic infection is the only source of primary infection. The fungus spreads from the seed into the seedling. Conidia are produced on the infected leaves when [...] formed at the base of the leaf and the leaf sheath. They gradually extend and become brown and chlorotic and may merge. Eventually this leads to the death [...] stripe Produce seed in semi-arid environments without irrigation, to decrease the chances of infection Use clean seed Avoid the use of untreated farm-saved

• Horiver Disc

  n Remove the silicone cover paper from one side of the trap Place trap around the stem of the plant with the sticky side down, just above the substrate [...] Root aphids , fungus gnats. Mode of action Insect pests are attracted to the colour of the sticky trap and get caught in the glue. Presentation Polysterene [...] substrate Remove the silicone cover paper from the top side of the trap Replace the traps when largely covered by insects and/or debris Dosage One Horiver Disc

• Rose aphid

  females of the rose aphid are 1.7-3.6 mm long and green or deep pink to red-brown. The antennae and sometimes the head is dark in colour. The siphunculi [...] siphunculi are black and bent outwards. The rose aphid usually overwinters on rose bushes in the egg stage, although in mild winter some adults may continue to [...] colonies of aphids can build up on roses in spring and summer; sometimes shoots are completely covered by aphids. In summer, winged aphids spread the infestation

• Click beetles

  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 to [...] fully grown the larvae pupate in the soil in summer. The adults appear about 4 weeks after pupation, but usually remain in the soil until the following spring [...] laid in May or June in groups in the soil. They hatch about one month later and the larvae start to feed on roots. The larvae (‘wireworms’) are long, thin

• Cotton bollworm

  General The cotton bollworm ( Helicoverpa armigera ) occurs in the tropics and sub-tropics of all continents except for North America. Larvae of the cotton [...] 19 mm in length and have a wingspan of about 40 mm. The grey-green males are smaller. The forewings are edged with a line of black spots, and the hindwings [...] long. The first instars are the most mobile, and move like loopers. The caterpillars are often aggressive and cannibalistic. Pupation occurs in the soil

• Pomegranate bacterial blight

  Symptoms Development of water-soaked spots which turns to dark black colour oily appearance on leaves results in premature defoliation. The pathogen also infects [...] Disease cycle Infected cuttings are the main source of inoculum and wind splashed rains plays important role is spread of the disease. Intermittent rainfall [...] cloudy weather favours the disease development and further spread. Management Spray Veni GoKlean at the rate of 1.25 to 1.5 ml per litre of water at 10 to 12

• Codling moth

  caterpillars of the last generation overwinter and pupate in spring. Larvae still in the apples at harvest can often be found in cracks in apple boxes or [...] It is very common in Europe. Damage symptoms After invading the fruit, the larvae first form a small cavity just under the skin. The entry hole can be seen [...] plugged by dry frass. The larva then burrows towards the core and eats a large proportion of the flesh, leaving behind brown frass. The entry point is then

• Tobacco aphid

  crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp. nicotianae ) is also encountered in a range of crops in greenhouses [...] to extract large quantities of sap to get sufficient protein. The excess sugar is secreted in the form of honeydew, making the crop and its fruit sticky [...] brown spot on the abdomen and several transverse black bands across the body. The antennae are 0.7-1.0 times the body length, reaching to the siphunculi

• IPM app

  intuitive user interface. The Dashboard gives the grower insight into pest issues in almost real-time once uploaded from the field. Koppert iPM scouting [...] efficacy and optimized timing of biological applications. These factors increase the efficacy of control agents, thereby reducing the need for pesticides and [...] growers with their in-depth integrated pest management program. Koppert iPM consists of two components, a Scout App and an online Dashboard. The Scout App works

• Tomato leaf miner

  percentage of the larvae remain hanging on the leaf and pupate there, sometimes on the upper surface but more commonly on the underside. The late third [...] roughly one hour the larva crawls out of the leaf and falls to the ground. This occurs in the early morning. The larva crawls into the ground to pupate [...] Asia. In warmer regions, the insect is found outdoors but in temperate regions it only occurs in greenhouses. The tomato leaf miner has been found in greenhouses