1. A15 time of inoculation and reaction to virus infection experimentAnnual report 1985-86

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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2. Acquisition of swollen shoot virus by mealybugs from cocoa plants during the period of latent infectionAnnual report 1969-1970

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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3. Actas

by Ollennu, L.A; Owusu, G.K. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 10. International Cocoa Research Conference Santo Domingo (R. Dominicana) 17-23 May 1987.

Publisher: Hertford (RU) Stephen Austin and Sons 1988Other title: Studies of the reinfection of replanted cocoa by cocoa swollen shoot virus in Ghana; Proceedings.Availability: No copies available Actions: Add to cart
4. Actas

by Owusu, G.K. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 10. International Cocoa Research Conference Santo Domingo (R. Dominicana) 17-23 May 1987.

Publisher: Hertford (RU) Stephen Austin and Sons 1988Other title: Non-transmission of cocoa swollen shoot virus by Phenacoccus manihoti Mat-Ferr in Ghana; Proceedings.Availability: No copies available Actions: Add to cart
5. Availability of cocoa swollen shoot virus to mealybugs from tolerant and sensitive cocoaProceedings

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana) -- 3. International Cocoa Research Conference Accra (Ghana) 23-29 Nov 1969.

Publisher: Tafo (Ghana) 1971Availability: No copies available Actions: Add to cart
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6. Breeding for resistance to the cocoa swollen shoot virus in GhanaProceedings

by Adu Ampomah, Y; Adomako, B; Owusu, G.K; Ollennu, L.A.A. -- International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement Salvador, BA (Brasil) 24-26 Nov 1996.

Publisher: Reading (RU) INGENIC 1999Availability: No copies available Actions: Add to cart
7. Cocoa necrosis virusAnnual report 1969-1970

by Owusu, G.K; Kenten, R.H. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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8. Analítica Cocoa necrosis virus in Ghana

by Owusu, G.K.

Source: Tropical Agriculture (Trinidad y Tobago) Publisher: 1971Availability: No copies available Actions: Add to cart
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9. Cocoa test/source plants for CSSV workAnnual report 1985-86

by Owusu, G.K; Phillips, E. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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10. Analítica The control of cocoa swollen shoot disease in Ghana

by Ollennu, L.A; Owusu, G.K; Thresh, J.M.

Source: Cocoa Growers' Bulletin (RU) Publisher: Dic 1989Availability: No copies available Actions: Add to cart
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11. Analítica The control of cocoa swollen shoot disease in Ghana: an evaluation of eradication procedures

by Thresh, J.M; Owusu, G.K.

Source: Crop Protection (RU) Publisher: Feb 1986Availability: No copies available Actions: Add to cart
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12. Enzyme-linked immunosorbent assay (ELISA) studiesAnnual report 1985-86

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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13. Experiments using different virus strainsAnnual report 1975-76

by Lockwood, G; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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14. Further symptoms of CNV in cocoaReport of the period 1982/83 - 1984/85

by Owusu, G.K; Bonney, J.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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15. Host rangeReport of the period 1982/83 - 1984/85

by Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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16. Host range studiesAnnual report 1970-1971

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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17. Investigation of cocoa virus diseases in Ashanti and Brong-Ahafo RegionsAnnual report 1969-1970

by Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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18. Investigation of mistletoe as possible source of CSSVAnnual report 1985-86

by Owusu, G.K; Phillips, E. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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19. Investigations into the genetic of swollen shoot resistanceAnnual report 1975-76

by Lockwood, G; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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20. Isolates from Ashantii RegionAnnual report 1970-1971

by Owusu, G.K; Bonney, J.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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21. Isolation of cocoa swollen shoot virus (CSSV) by polyethylene glycol precipitation and Celite 545 column chromatography

by Adomako, D; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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22. Isolation of mild virus strainsAnnual report 1985-86

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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23. Joint CRIG/Cocoa Division coppicing experiments to assess latent infectionAnnual report 1969-1970

by Legg, J.T; Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
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24. Joint CRIG/Cocoa Division coppicing trials to assess latent CSSV infectionAnnual report 1970-1971

by Legg, J.T; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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25. Joint CRIG/Cocoa Services Division coppicing trials to assess latent virus infectionReport of the period 1982/83 - 1984/85

by Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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26. Joint CRIG/Cocoa Services Division new coppicing trials to assess the efficiency of the inspection for swollen shoot diseaseReport of the period 1982/83 - 1984/85

by Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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27. Mealybug transmission of swollen shoot virus from cocoa trees in the latent phase of infectionReport of the period 1982/83 - 1984/85

by Owusu, G.K; Bonney, J.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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28. Mechanical transmission of cocoa swollen shoot virus (CSSV): a study of virus inhibitors in cocoa tissuesAnnual report 1971-1972

by Adomako, D; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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29. Nkrankwanta swollen shoot outbreakAnnual report 1975-76

by Ollennu, L.A; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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30. Properties in sapAnnual report 1970-1971

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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31. Purification of Cocoa Necrosis Virus (CNV) from cocoa leavesAnnual report 1971-1972

by Adomako, D; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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32. Purification of cocoa necrosis virus (CNV) from cocoa leaves

by Adomako, D; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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33. Purification of cocoa necrosis virus (CNV) from cocoa leaves

by Adomako, D; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
No cover image available
34. Purification of cocoa swollen shoot virusReport of the period 1982/83 - 1984/85

by Owusu, G.K; Lagudah, B.M. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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35. Re-visit to the cocoa necrosis disease outbreak siteAnnual report 1970-1971

by Legg, J.T; Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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36. Resistance assessment trialsAnnual report 1985-86

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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37. Screening of introduced germplasmAnnual report 1975-1976

by Lockwood, G; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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38. The screening of progenies in seedling testsAnnual report 1975-1976

by Lockwood, G; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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39. Screening of progenies under consideration for field trialsAnnual report 1975-1976

by Lockwood, G; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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40. Search for inhibitors of swollen shoot virus infection in cocoaAnnual report 1970-1971

by Owusu, G.K; Adomako, D. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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41. Search for natural of CNVReport of the period 1982/83 - 1984/85

by Owusu, G.K; Lovi, N.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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42. Search for vector of cocoa necrosis virusAnnual report 1970-1971

by Asare Nyako, A; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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43. Analítica Spread of cocoa swollen shoot virus to recent plantings in Ghana

by Ollennu, L.A; Owusu, G.K; Thresh, J.M.

Source: Crop Protection (RU) Publisher: Ago 1989Availability: No copies available Actions: Add to cart
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44. Stem swellin symptoms produced by cocoa necrosis virus in cocoa seedlingsAnnual report 1970-1971

by Owusu, G.K; Phillips, E. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
No cover image available
45. Studies of CSSV isolates from Ashanti RegionAnnual report 1969-1970

by Owusu, G.K; Bonney, J.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1972Availability: No copies available Actions: Add to cart
No cover image available
46. Studies of mild virus strain protectionAnnual report 1985-86

by Owusu, G.K; Ollennu, L.A. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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47. Analítica Studies on the mechanical transmission of cocoa swollen shoot virus: some factors affecting virus multiplication and symptom development in cocoa

by Adomako, D; Owusu, G.K.

Source: Ghana Journal of Agricultural Science (Ghana) Publisher: 1974Availability: No copies available Actions: Add to cart
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48. Studies on the mechanical transmission of CSSV

by Adomako, D; Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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49. Susceptibility of natural cocoa mutants to CSSV infectionAnnual report 1985-86

by Owusu, G.K; Phillips, E. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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50. Swollen shoot disease at CRIGAnnual report 1985-86

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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51. Swollen shoot disease at CRIGReport of the period 1982/83 - 1984/85

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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52. Tolerance assessment trialsAnnual report 1985-86

by Owusu, G.K. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1987Availability: No copies available Actions: Add to cart
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53. Virus content of selected hostsReport of the period 1982/83 - 1984/85

by Owusu, G.K; Lagudah, B.M. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1986Availability: No copies available Actions: Add to cart
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54. West African amelonado cocoa that have survived in CSSV infested areas for over 40 yearsAnnual report 1986/87

by Amponsah, J.D; Owusu, G.K; Ollennu, L.A. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1988Availability: No copies available Actions: Add to cart
No cover image available