Investigating the use of Marigolds (Tagetes spp.) and brassicaceous cover crops as a tool for the management of lesion nematodes (Pratylenchus spp.) in apple orchards by Fourie, Louis Welricht

Subjects: “…Apples -- Diseases and pests -- Biological control…”
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Entomopathogenic nematodes : characterization of a new species, long–term storage and control of obscure mealybug, Pseudococcus viburni (Hemiptera: Pseudococcidae) under laboratory... by Stokwe, Nomakholwa Faith

Subjects: “…Apples -- Diseases and pests -- Biological control -- South Africa…”
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