Aphid sentence example

aphid
  • You may need to use row covers to keep beetles from laying eggs on squash plants, for example, or use an insecticidal soap to remove aphid infestations.
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  • Aphid infestations can be sprayed off with a strong blast of water from the hose.
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  • Attract and protect aphid predators such as ladybugs, lacewings, assassin bugs, praying mantis, adult wasps, spiders and chickadees.
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  • By controlling ants you may also find that the aphid problem is reduced.
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  • A natural fungus that grows on and kills Russian wheat aphid is winding its way toward commercial application.
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  • Thus, in the event of climate warming we would expect all three species to make considerably earlier appearance, particularly the peach-potato aphid.
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  • Fieldwork is carried out at Radnor Forest in Wales, where Forestry Commission research into the green spruce aphid is already established.
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  • Figure 4: The giant willow aphid is also found in the USA.
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  • Aphids were also a problem in early salad crops especially black bean, peach potato and lettuce currant aphid.
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  • It is difficult to get lacewings to reproduce in the area applied so repeat applications maybe required if fresh greenfly or aphid populations appear.
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  • The sticky honeydew excreted by the aphid makes hedge trimming a messy task.
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  • Adults are often attracted by the presence of aphid honeydew.
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  • This is partly because of the presence of Cornish hedges and hedge bottoms which provide a habitat for natural aphid predators such as ladybirds.
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  • Until now, BYDV control has involved breaking the " green bridge " and reducing aphid populations in autumn with well-timed insecticide sprays.
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  • Every year, in the first really hot spell, the black bean aphid starts its regular invasion of the broad bean plants.
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  • The number of larvae needed to treat an aphid infestation will vary on the number of aphid infestation will vary on the number of aphids present.
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  • So give him to someone else who's having aphid problems.
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  • An American Aphid of the genus Pemphigus produces black, ragged, leathery and cut-shaped excrescences on the young branches of the hickory.
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