Biology, ecology and management of white wax scale, Ceroplastes destructor Newstead (Hemiptera: Coccidae), on citrus and syzygium by Wakgari, Waktola (Waktola Muleta)

Subjects: “…Citrus -- Diseases and pests…”
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The arthropods associated with Protea nitida by Visser, Diedrich

Subjects: “…Insect pests…”
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Pests, pathogens, competitors and weed fungi of cultivated oyster mushrooms (Pleurotus spp) in South Africa

Subjects: “…Mushrooms diseases and pests…”
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'n Ondersoek na die aard, omvang en beheer van voëlskade by druiwe van verskillende wyndruifkultivars in die streek Stellenbosch-Simonsberg by Le Riche, E.

Subjects: “…Bird pests…”
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Biology of subterranean populations of woolly apple aphid, Eriosoma lanigerum (Hausmann)(Homoptera:Aphididae), in apple orchards by Damavandian, M. R.

Subjects: “…Agricultural pests…”
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n Oorsig oor die koringsiektesituasie in Suid-Afrika, met spesiale verwysing na stamroes, en oorwegings in verband met 'n nasionale koringsiekteprogram by De Jager, J. N. W.(Johan Nicolaas Wilhelm)

Subjects: “…Pests -- Control…”
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Toksienproduksie deur Eutypa Armeniacae en die rol daarvan by appelkoosterugsterwing by Thomas, A. C

Subjects: “…Fruit -- Diseases and pests…”
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The influence of synthetic pyrethroids on phytophagous mites and their natural enemies in apple orchards by Heunis, J. M. (Juanita Maria)

Subjects: “…Apples -- Diseases and pests…”
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Isolation and characterization of Diuraphis noxia induced sequences from wheat line PI 294994

Subjects: “…Barley diseases and pests…”
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Diallel crosses between sources of Black Shank (Phytophthora parasitica var. nicotianae) resistance

Subjects: “…Tobacco diseases and pests…”
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Insect pests of some vegetables grown on small scale with special reference to Pieris Brassicae L.(Lepidoptera: Pieridae) by Mtambo, Christine C

Subjects: “…Insect pests…”
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Investigating the potential of indigenous nematode isolates to control invasive molluscs in canola by Pieterse, Annika

Subjects: “…Agricultural pests…”
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Die insekplaagkompleks op sitrus te Vaalharts by Mathewson, Johanna

Subjects: “…Citrus -- Diseases and pests -- South Africa -- Vaalharts…”
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Further studies on leaf blackening of proteas by Ferreira, Anton

Subjects: “…Protea -- Diseases and pests…”
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A study of filamentous viruses in maize and smallgrains by Chauhan, Ramola

Subjects: “…Corn - Diseases and pests.…”
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Further optimisation of in-line aqueous application of imazalil to control citrus green mould caused by Penicillium digitatum by Savage, Catherine

Subjects: “…Imazalil -- Control of pests…”
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Thrips management in mango orchards by Grove, Tertia

Subjects: “…Mango -- Diseases and pests…”
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Botryosphaeria diseases of proteaceae by Denman, Sandra

Subjects: “…Proteaceae -- Diseases and pests…”
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Die seisoenale volopheid van skadelike insekte sowel as hulle predatore en parasitoiede op twee groentegewasse by Smit, Nicolaas Stephanus

Subjects: “…Agricultural pests -- Seasonal distribution…”
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A biochemical study of the development of woolliness in nectarines (Prunus Persica Nectarina CVS Flavortop and Fantasia) by Hartmann, P. E. O.(Phillip Eric Otto)

Subjects: “…Peach -- Diseases and pests -- South Africa…”
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