• Green leafhopper

  stippling, yellowing, leaf edge burn ("hopperburn"), leaf curling, premature leaf drop, and canopy thinning, effects that reduce fruit set, berry size, ripening [...] rn") Downward curling of leaves Premature leaf aging and senescence Leaf drop in severe infestations Reduced canopy development In grapes, the characteristic

• A strong protection against soil-borne diseases in lettuce with Trianum

  July 15, 2026

  production, root diseases such as Fusarium wilt ( Fusarium oxysporum ), Lettuce drop ( Sclerotinia spp. ), Pythium root rot ( Pythium spp. ) and Bottom rot ( [...] diseases of lettuce, including those listed on the product label. Lettuce drop ( Sclerotinia spp.) is one of the most important diseases affecting lettuce [...] lettuce trials demonstrated the excellent efficacy of Trianum® against lettuce drop ( Sclerotinia spp.). The graph below shows disease incidence at harvest.

• Walnut husk fly

  larvae feed inside the developing fruits for up to 5 weeks. Fully fed larvae drop to the ground and enter the soil to pupate and the puparia overwinter.

• Common asparagus beetle

  and three pairs of stout, light brown legs. When fully grown, the larvae drop to the ground to pupate. The adult stage overwinters and starts a new cycle

• Powdery mildew

  leaves. Many sweet pepper cultivars react to powdery mildew infection by dropping leaves that are not infected yet. It depends on the cultivar how soon after [...] turn brown or grey. Severely affected leaves may turn yellow, curl up or drop off. Life cycle and appearance of Powdery mildew The fungi that cause powdery

• Hemispherical scale

  ants and sooty moulds grow on the sugary deposits. Badly fouled leaves may drop prematurely. Life cycle and appearance of Hemispherical scale An adult female

• Large blackberry aphid

  leaves and start to reproduce parthenogenetically. They are very mobile and drop from the plant when they are disturbed. Winged aphids usually appear in June

• Large raspberry aphid

  leaves and start to reproduce parthenogenetically. They are very mobile and drop from the plant when they are disturbed. Winged aphids usually appear in June

• Wax scales

  ovisac) which is approximately 10 mm long. The adult females usually die and drop off the ovisac after oviposition, but the ovisacs can persist on the plant

• Pear psylla

  leaves and fruits. Heavy infestations can cause premature leaf fall and fruit drop. Flowers attacked by first generation nymphs turn brown and die. Feeding