Apple scab

increases to 12-28 hours of leaf wetness for successful infection. Conidia also need water for germination. How to prevent Apple scab Use resistant cultivars

Rose aphid

winged aphids spread the infestation to other rose plants and sometimes also to secondary hosts. Colonies are often present on rose bushes throughout

Orius laevigatus

females can kill up to 20 nymphs or six to seven adults per day. They are also cannibalistic. In pollen producing plants, younger Orius nymphs are mainly [...] black and white pattern. Adults are active predators, feeding on thrips. They also consume pollen and plant juices, which can supplement their diet when prey

Tea spider mite

veins and midrib and gradually spreads to entire leaf. Youngs leaves are also equally affected. Infested leaves become reddish bronze and spider mite infested

Predatory insects

bug, is particularly skilled in controlling whitefly and caterpillars but also contributes to the control of spider mites , aphids , and leaf miner larvae [...] colonies, helping to keep their populations in check. Next to aphids, lacewings also contribute to the control of mealybugs , thrips and caterpillars . Koppert

Beetles

growing tips and roots or chew and bore into stems, but in other species also feed on leaves. Adult beetles cause damage by feeding on fruits, flower buds

Crane flies

grasslands, turf and cereal fields. Exit holes of the burrows of the larvae might also be visible. Secondary damage may come from birds and rodents feeding on larvae

Damping-off

of seedlings. Infected plants lag in growth. Seedlings start falling over, also called ‘damping-off’, hence the name damping-off disease. In slightly older

Whitefly

Such fruit is unsaleable. In serious cases the fruit will rot. Sooty moulds also develop on the leaves, reducing photosynthesis and transpiration. Viruses

Predatory mites

bodily fluids, causing their death. As predatory mites feed on pests, they also reproduce rapidly, leading to an increased population of beneficial mites [...] development, predatory mites not only reduce existing pest populations but also act as a deterrent to future infestations. The presence of beneficial mites [...] managing thrips populations. They can rapidly build up populations as they can also survive on pollen or other prey. Amblyseius swirskii ( Swirski-Mite ), A