The impact of the polyphagous shot hole borer beetle and its fungal symbiont, Fusarium euwallaceae, on commercial pear production by Neethling, Emma Cecile

Subjects: “…Pears -- Diseases and pests -- Control -- South Africa -- Western Cape…”
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Studies on the bionomics and control of the pear bud mite Eriophyes piri, Pag. by Stubbings, W. A. K.(William Arthur Kirton)

Subjects: “…Pear -- Diseases and pests -- Control -- South Africa…”
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An investigation into the integrated pest management of the obscure mealybug, Pseudococcus viburni (Signoret) (Hemiptera: Pseudococcidae), in pome fruit orchards in the Western Cap... by Mudavanhu, Pride

Subjects: “…Pears -- Diseases and pests -- Control -- South Africa -- Western Cape…”
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