Search Results - "Straker, C.J"

Expression of defence-related genes in avocado fruit (cv. Fuerte) infected with Colletotrichum gloeosporioides by Djami-Tchatchou, A.T., Allie, F., Straker, C.J.

“…Anthracnose is the most severe post-harvest disease of many cultivars of avocado. Identification of avocado genes involved in the defence response against…”
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Arbuscular mycorrhiza status of gold and uranium tailings and surrounding soils of South Africa's deep level gold mines. II. Infectivity by Straker, C.J., Freeman, A.J., Witkowski, E.T.F., Weiersbye, I.M.

“…An AMF infectivity study and spore viability assessment was performed on substrata obtained from gold and uranium mine tailings dumps (‘slimes dams’) in the…”
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Litter production and accumulation in Pinus patula plantations of the Mpumalanga Province, South Africa by Dames, J.F. (Witwatersrand Univ. (South Africa). Dept. of Botany), Scholes, M.C, Straker, C.J

“…Litter accumulates on the forest floor in Pinus patula Schlechtd. et Cham, plantations in Mpumalanga, South Africa especially in high altitude sites, as a…”
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Diversity of arbuscular mycorrhizal (AM) fungi colonising roots of indigenous Vachellia and Senegalia trees on gold and uranium mine tailings in South Africa by Buck, M.T., Straker, C.J., Mavri-Damelin, D., Weiersbye, I.M.

“…The gold and uranium mines of the Free State gold fields in South Africa are no longer mined underground but provide a rich source of biological data for…”
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Arbuscular mycorrhiza (AM) status of rehabilitation plants of mine wastes in South Africa and determination of AM fungal diversity by analysis of the small subunit rRNA gene sequences by Spruyt, A., Buck, M.T., Mia, A., Straker, C.J.

“…The aim of this study was to assess the arbuscular mycorrhizal (AM) status of trees currently being used for phytoremediation of mining contaminated sites in…”
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The isolation of high quality RNA from the fruit of avocado ( Persea americana Mill.) by Djami-Tchatchou, A.T., Straker, C.J.

“…The fruit of avocado is high in structural carbohydrates and proteins and also contains polyphenols which interfere with the isolation of high quantity and…”
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influence of Rhizobium and arbuscular mycorrhizal fungi on nitrogen and phosphorus accumulation by Vicia faba by Jia, Y, Gray, V.M, Straker, C.J

“…Background and Aims The aim of this study was to investigate the effects of the interactions between the microbial symbionts, Rhizobium and arbuscular…”
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Protocol for assessing the viability of Sphaerotheca fuliginea conidia by tetrazolium chloride (INT) reduction by Welersbye-Witkowski, I.M., Straker, C.J.

“…The use of tetrazolium salt reduction for assessing the viability of fungal spores is briefly reviewed, and a protocol utilizing…”
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A zeoponic system modified with Penicillium simplicissimum for the removal of trace elements from aqueous solutions and gold mine leachates by Bakatula, E.N., Straker, C.J., Cukrowska, E.M., Weiersbye, I.M., Mihaly-Cozmuta, L., Tutu, H.

“…The aim of this research was to develop a biosorbent system with high metal loading capacity based on an inactive (heat-killed) fungal biomass, Penicillium…”
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Arbuscular mycorrhizal fungi associated with cassava ( Manihot esculenta Crantz) in South Africa by Straker, C.J., Hilditch, A.J., Rey, M.E.C.

“…The rhizospheres of cassava ( Manihot esculenta) plants growing in Limpopo and Mpumulanga provinces in South Africa were sampled for the presence of arbuscular…”
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Electrophoretic and immunological studies on acid phosphatase from a mycorrhizal fungus of Erica hispidula L by Straker, C.J, Gianinazzi-Pearson, V, Gianinazzi, S, Cleyet-Marel, J.C, Bousquet, N

“…Wall-bound acid phosphatases of an endomycorrhizal fungus of Erica hispidula L. were separated by PAGE, electrotransferred to nitrocellulose membranes and…”
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Micro-PIXE mapping of elemental distribution in arbuscular mycorrhizal roots of the grass, Cynodon dactylon, from gold and uranium mine tailings by Weiersbye, I.M., Straker, C.J., Przybylowicz, W.J.

“…A combination of PIXE, proton back-scattering (BS) spectrometry and confocal laser scanning microscopy (CLSM) was used to determine in situ elemental…”
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Arbuscular mycorrhiza status of gold and uranium tailings and surrounding soils of South Africa's deep level gold mines: I. Root colonization and spore levels by Straker, C.J., Weiersbye, I.M., Witkowski, E.T.F.

“…Surveys of arbuscular mycorrhiza fungi (AMF) root colonization and spore status of slimes dams of South Africa's deep level gold mines in the North–West…”
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Ericoid mycorrhiza: ecological and host specificity by Straker, C.J. (University of the Witwatersrand, Johannesburg (South Africa). Dept of Botany)

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Nutrient cycling in a Pinus patula plantation in the Mpumalanga Province, South Africa by Dames, Joanna F., Scholes, Mary C., Straker, C.J.

“…The accumulation of litter on the forest floor was identified as a potential problem in managed plantations of Pinus patula (Schlechtd. et Cham.) in the…”
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Short note on the effects of ethanolic extracts of selected South African seaweeds on the growth of commercially important plant pathogens, Rhizoctonia solani Kühn and Verticillium sp by Barreto, Michael, Straker, C.J., Critchley, A.T.

“…This paper describes the biological activity of ethanolic extracts from some commonly abundant seaweeds from KwaZulu-Natal, South Africa. The pour-plate method…”
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Elemental micro-PIXE mapping of hypersensitive lesions in Lagenaria sphaerica (Cucurbitaceae) resistant to Sphaerotheca fuliginea (powdery mildew) by Weiersbye-Witkowski, I.M., Przybylowicz, W.J., Straker, C.J., Mesjasz-Przybylowicz, J.

“…Genotypes of the Southern African cucurbit, Lagenaria sphaerica, that are resistant to powdery-mildew ( Sphaerotheca fuliginea) exhibit foliar hypersensitive…”
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activity and characterization of acid phosphatases in endomycorrhizal fungi of the Ericaceae by Straker, C. J., Mitchell, D. T.

“…Endomycorrhizal fungi were isolated from the root systems of Vaccinium macrocarpon Aiton, Rhododendron ponticum L., Calluna vulgaris (L.) Hull (Ericaceae) and…”
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Analysis of acid invertase and comparison with acid phosphatase in the ericoid mycorrhizal fungus Hymenoscyphus ericae (Read) Korf and Kernan by Straker, C. J., Schnippenkoetter, W. H., Lemoine, M.-C.

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