Evaluation of the effects of pesticides, used on table grapes, on the mealybug parasite, Coccidoxenoides peregrinus (Timberlake) (Hymenoptera: Encyrtidae) by Walton, Vaughn M.(Vaughn Martin)

Subjects: “…Plant parasites -- Control…”
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Population fluctuations of two Pratylenchus SPP. in maize fields with an attempt to correlate numbers with changes in certain ecological conditions by Storey, S. G.(Sheila Grace)

Subjects: “…Plant parasites -- South Africa…”
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Potential of the polymerase chain reaction for the identification of plant-parasitic nematodes by Knoetze, Rinus

Subjects: “…Plant parasites -- Identification…”
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Plant parasitic organisms in the rizosphere of apple trees in the Western Cape, with special reference to woolly apple aphid by Van Jaarsveld, Alwyn Jacobus

Subjects: “…Plant parasites -- South Africa -- Western Cape…”
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Diversity and detection of Kenyan and Nigerian populations of Fusarium oxysporum f. sp. strigae by De Klerk, Madelein

Subjects: “…Plant-parasitic weed -- Biological control…”
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