• Black sigatoka disease

  produces both ascospores and conidia. The ascospores are wind-dispersed over longer distances, the conidia are splash-dispersed within the crop. Both types [...] with new conidia or grow across the surface and infect adjacent stomata. Both types of spores can germinate within two or three hours under humid conditions

• Western flower thrips

  is the most important vector for both tomato spotted wilt virus (TSWV) and impatiens necrotic spot virus (INSV). Both viruses affect a wide range of plants [...] prepupal and pupal instars do not feed and only move if disturbed. In the adults both pairs of wings are fully developed. Damage symptoms Thrips cause damage to [...] plants, and often a single host plant may be infected by both viruses.

• Root rot of carrot

  symptoms Rhexocercosporidium carotae is a slow-growing fungus that can infect both roots and foliage. The infection starts with small black spots over the entire [...] older tissue. In the field, the disease is difficult to distinguish from both Cercospora and Alternaria dauci . Cercospora prefers younger leaves. A. dauci [...] ranging from -3°C to 25°C, with an optimum around 18°C; temperature affects both host defense processes and fungal pathogenesis. Calcium content: Higher calcium

• Bactosan

  with species-specific Pherodis pheromone and fruit fly attractant to catch both males and females. When to use Bactosan trap? Install the traps 2 - 3 days [...] of fruit flies . The trap is baited with an fruit fly attractant to lure both male and female pest. Flies enter the trap through the inverted funnel. Once

• Glasshouse potato aphid

  Life cycle Glasshouse potato aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When [...] wingless females, but is 2.0-3.0 mm long. The glasshouse potato aphid manifests both anholocyclic (no eggs are laid) and holocyclic (winter eggs are produced)

• Tobacco aphid

  peach potato aphid in the Far East and is a key pest of tobacco crops in both the United States and South America. The tobacco aphid ( Myzus persicae subsp [...] cycle and appearance of Tobacco aphid Aphids have a complex life cycle, with both winged and wingless forms of adults and a great variety in colour. When

• About Koppert

  microbials that support, protect, and strengthen crops. Improving plant health both above and underground. Since 1967, we’ve been helping growers worldwide cultivate

• Broccoli

  like a tree and branches out from a single thick, edible stalk. Broccoli (both the head and the stalk) can be cooked and eaten as a vegetable.seed

• Whitefly

  Trialeurodes vaporariorum , and the tobacco whitefly , Bemisia tabaci . Both are widespread, polyphagous and are broadly comparable in outline. Whitefly [...] and transpiration. Viruses can be transmitted from one plant to another. Both T. vaporariorum and B. tabaci are known to transmit viruses. Life cycle of

• Flies

  control of flies combines targeted monitoring and natural enemies that reduce both larval and adult populations: Beneficial nematodes Predatory mites Pheromone [...] damage to many soft fruit crops. Fly damage Flies can cause damage to crops both directly and indirectly. The type of damage depends on the species of the