Zobrazeno 1 - 10 of 10 pro vyhledávání: '"G. K. Owusu"'
1
Appraisal of Cocoa swollen shoot virus (CSSV) Mild Isolates for Cross Protection of Cocoa Against Severe Strains in Ghana
Autor: L. A. A. Ollennu, Henry Dzahini-Obiatey, G. K. Owusu, G. A. Ameyaw, O. Domfeh
Publikováno v: Plant Disease. 100:810-815
Two mild strains of Cocoa swollen shoot virus (CSSV), N1 and SS365B, were assessed for their capability to mitigate the devastating effects of CSSV in field trials at the Cocoa Research Institute of Ghana in comparison with noninoculated cocoa plants
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c3aaf9cc4f4b95642b6b355e2ad1668
https://doi.org/10.1094/pdis-09-15-0974-re
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3
Spread of African cassava mosaic virus from cassava (Manihot esculenta Crantz) to physic nut (Jatropha curcas L.) in Ghana
Autor: A S Appiah, H M Amoatey, G Y. P Klu, N T Afful, E Azu, G K Owusu
Publikováno v: Journal of Phytology (2012)
Investigations were made on the susceptibility of physic nut (Jatropha curcas L.) to African cassava mosaic virus (ACMV) and its possible role as an alternative host of the virus in Ghana. Ten J. curcas accessions in a field trial were interplanted w
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::c6e778e8e4c3acfc12b2a3cd62cb19d4
https://updatepublishing.com/journal/index.php/jp/article/view/2756
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4
Use of gamma rays to induce mutants resistant to cocoa swollen shoot disease in Theobroma cacao L
Autor: S. Sackey, G. K. Owusu, B. Padi, A. Abdul‐Karimu, Y. Adu‐Ampomah
Publikováno v: Plant Breeding. 115:74-76
Vegetative buds of three cocoa varieties, ‘Amelonado’ (P30), ‘Trinitario’ (K5) and ‘Upper Amazon’ (T85/799) were irradiated with 15, 20 and 25 Gy of γ-rays, respectively, and budded on to rootstocks to generate MV1 shoots. The terminal b
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::440657e5e74cf994260578f8138d7a74
https://doi.org/10.1111/j.1439-0523.1996.tb00875.x
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5
Improved methods for the purification and detection of cocoa swollen shoot virus
Autor: G. K. Owusu, H. L. Paul, D.-E. Lesemann, D. Adomako
Publikováno v: Annals of Applied Biology. 103:109-116
SUMMARY The extraction of cocoa swollen shoot virus (CSSV) from cocoa leaves with pectinase, purification from the concentrated extracts by filtration through Celite and Sepharose 2B, and concentration of the virus by isopycnic CsCl centrifugation ar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7beb0f0bfb0cd9e65743c7cec17d9f53
https://doi.org/10.1111/j.1744-7348.1983.tb02746.x
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6
The Use of Enzyme-Linked Immunosorbent Assay (ELISA) for Detection of Cacao Swollen Shoot Virus (CSSV) in Theobroma cacao
Autor: H. L. Paul, G. K. Owusu, D. Adomako, W. Sagemann
Publikováno v: Journal of Phytopathology. 106:281-284
Cacao swollen shoot virus (CSSV) was readily detected in different parts of Theobroma cacao using the ELISA technique. Different plant tissues contained varying amounts of CSSV; highest concentrations were found in leaf lamina. Methods to preserve th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bf29fd96b16e2adf6945131517c2646
https://doi.org/10.1111/j.1439-0434.1983.tb00053.x
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7
The Case for High-forest National Parks in Ghana
Autor: J. G. K. Owusu, Emmanuel O. A. Asibey
Publikováno v: Environmental Conservation. 9:293-304
Implementation of a conservation policy of preserving representative samples of all the natural ecosystems in the country has led to the establishment, from 1974, of two high-foresi national parks, namely the Bia and the Nini-Suhien, of an area now t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::438fe77432ef2739f25d9afa1f3d8ff3
https://doi.org/10.1017/s0376892900020828
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8
Detection and Comparison of some Ghanaian Isolates of Cacao Swollen Shoot Virus (CSSV) by Enzyme-Linked Immunosorbent Assay (ELISA) and Immunoelectron Microscopy (IEM) Using an Antiserum to CSSV Strain 1A
Autor: D. Adomako, D.-E. Lesemann, G. K. Owusu, W. Sagemann, H. L. Paul
Publikováno v: Journal of Phytopathology. 114:79-89
Various isolates of Cacao Swollen Shoot Virus (CSSV) were detected without difficulty in leaves of Theobroma cacao L. by ELISA and immunosorbent electron microscopy (ISEM) using an antiserum to severe strain 1A. Many isolates were detected with relat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::585e5d9c4d9b91dd415b13d576fa8d9b
https://doi.org/10.1111/j.1439-0434.1985.tb04339.x
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9
Studies of the seed-transmission of tobacco ringspot virus
Autor: G. K. Owusu, N. C. Crowley, R. I. B. Francki
Publikováno v: Annals of Applied Biology. 61:195-202
SUMMARY Some factors influencing the transmission of tobacco ringspot virus (TRSV) by seed of soybean, Glycine max (L.) Merr. cv. Lincoln, have been studied. The age of a plant at the time of infection was the most important factor determining the am
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e55b5b212a7e3204ec8cd2120e33af11
https://doi.org/10.1111/j.1744-7348.1968.tb04525.x
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