1. 10th, 11th and 12th progeny trial areasAnnual report 1974-1975

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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2. 13th progeny trialAnnual report 1974-1975

by Lockwood, G; Legg, J.T; Opoku Asiamah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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3. 14th progeny trialAnnual report 1974-1975

by Lockwood, G; Legg, J.T; Opoku Asiamah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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4. 15th, 16th and 17th progeny trial areasAnnual report 1975-1976

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

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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5. 8th progeny trialAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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6. 9th progeny trialAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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7. Analítica Adjustment by neighbouring plots in progeny trials with cocoa

by Lockwood, G.

Source: Experimental Agriculture (RU) Publisher: 1980Availability: No copies available Actions: Add to cart
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8. Clonal resistance to mealybugs

by Bigger, M; Lockwood, G. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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9. Cocoa breeding in Ghana with reference to swollen-shoot diseaseProceedings

by Lockwood, G. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 7. International Cocoa Research Conference Douala (Camerún) 4-12 Nov 1979.

Publisher: Lagos (Nigeria) 1981Availability: No copies available Actions: Add to cart
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10. Analítica Cocoa breeding: past, present and future

by Kennedy, A.J; Lockwood, G; Mossu, G; Simmonds, N.W; Tan, G.Y.

Source: Cocoa Growers' Bulletin (RU) Publisher: May 1987Availability: No copies available Actions: Add to cart
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11. The cocoa breeding programme in Ghana

by Martinson, V.A; Lockwood, G. -- Internationaler Kongress uber Kako un Schokoladeforschung Munich (Alemania, R.F.) 1974.

Publisher: [sl] [sf]Availability: No copies available Actions: Add to cart
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12. Analítica A comparison of the growth and yield during a 20 year period of Amelonado and Upper Amazon hybrid cocoa in Ghana

by Lockwood, G.

Source: Euphytica (Países Bajos) Publisher: 1976Availability: No copies available Actions: Add to cart
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13. Comparison of various crosses (M5)Annual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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14. Analítica Determination of pod and bean characters in progeny trials with cocoa

by Lockwood, G; Edwards, D.F.

Source: Tropical Agriculture (Trinidad y Tobago) Publisher: 1980Availability: No copies available Actions: Add to cart
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15. Determination of wet to dry weight conversion ratiosAnnual report 1973-1974

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

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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16. Diallel cross in I4Annual report 1974-1975

by Lockwood, G; Opoku Asiamah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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17. E6 CSSV Tolerance trialAnnual report 1974-75

by Lockwood, G; Opoku-Asiamah, Y. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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18. Analítica Early results from a trial of Upper Amazon cocoa clones in Ghana

by Lockwood, G.

Source: Experimental Agriculture (RU) Publisher: 1971Availability: No copies available Actions: Add to cart
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19. Analítica Edge effects and interactions with environment in cocoa

by Martin, K.J; Lockwood, G.

Source: Experimental Agriculture (RU) Publisher: 1979Availability: No copies available Actions: Add to cart
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20. Analítica Effects of Ghanaian cocoa swollen-shoot virus on young bearing trees of a range of varieties

by Lockwood, G.

Source: Experimental Agriculture (RU) Publisher: 1973Availability: No copies available Actions: Add to cart
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21. Eighth and ninth progeny trial and off station Series II trials

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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22. Eighth and ninth progeny trial areas and off-station Series II trialsAnnual report 1974-75

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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23. Eighth and ninth progeny trials and off station series II trials

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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24. Eighth and ninth progeny trials and off station Series II trialsAnnual report 1975-76

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

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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25. Analítica Evaluation and use of a screening method to aid selection of cocoa (Theobroma cacao) with field resistance to cocoa swollen-shoot virus in Ghana

by Legg, J.T; Lockwood, G.

Source: Annals of Applied Biology (RU) Publisher: 1977Availability: No copies available Actions: Add to cart
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26. Experimental methodology in progeny trials with cocoaProceedings

by Lockwood, G. -- Cocoa Producers' Alliance, Lagos (Nigeria) -- 7. International Cocoa Research Conference Douala (Camerún) 4-12 Nov 1979.

Publisher: Lagos (Nigeria) 1981Availability: No copies available Actions: Add to cart
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27. 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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28. Field trials with mature cocoaAnnual report 1973-1974

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

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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29. Field trials with young cocoa (three to five years old)Annual report 1973-1974

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

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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30. Analítica Genetic aspects of resistance to cocoa swollen-shoot virus in Ghana

by Lockwood, G.

Source: Annals of Applied Biology (RU) Publisher: 1981Availability: No copies available Actions: Add to cart
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31. Analítica Hybrid cocoa varieties in the Eastern Region of Ghana, present and future

by Lockwood, G.

Source: Cocoa Growers' Bulletin (RU) Publisher: 1974Availability: No copies available Actions: Add to cart
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32. Identification of segregatesAnnual report 1973-1974

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

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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33. Analítica Improving precision of cocoa progeny trials using calibrator trees

by Lockwood, G.

Source: Experimental Agriculture (RU) Publisher: 1979Availability: No copies available Actions: Add to cart
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34. Analítica Incidence of cacao blackpod disease (Phytophthora palmivora) in relation to time of crop maturity in the Eastern region of Ghana

by Lockwood, G.

Source: Journal of Horticultural Science (RU) Publisher: 1971Availability: No copies available Actions: Add to cart
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35. Analítica The influence of self-incompatibility on the time of harvesting of cocoa in Ghana in relation to losses from black pod disease

by Lockwood, G; Dakwa, J.T.

Source: Journal of Horticultural Science (RU) Publisher: 1978Availability: No copies available Actions: Add to cart
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36. Interspecific hybridisationAnnual report 1970-71

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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37. 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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38. M4 experiment IAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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39. M4 small experimentsAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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40. N13 experiment I: comparison of a cross to its reciprocalAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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41. N13 experiment IIAnnual report 1972-1973

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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42. N13 experiment IIIAnnual report 1972-1973

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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43. N13 experiment IVAnnual report 1972-1973

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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44. N9 amelonado improvement experimentAnnual report 1972-1973

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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45. N9, F1, F2, F3 trialAnnual report 1972-1973

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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46. A new breeding programme for control of swollen shoot disease in the Eastern Region of Ghana and some early resultsProceedings

by Lockwood, G. -- Cocoa Research Institute, Ibadan (Nigeria) -- 5. International Cocoa Research Conference Ibadan (Nigeria) 1975.

Publisher: [sl] 1975?Availability: No copies available Actions: Add to cart
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47. New field trialsAnnual report 1974-75

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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48. New trials of virus resistant progeniesAnnual report 1971-1972

by Legg, J.T; Lockwood, G; Edwards, D.F. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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49. Notes on incompatibility alleles in introduced clonesAnnual report 1971-1972

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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50. Nursery experimentAnnual report 1974-1975

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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51. Off-station series II trialsAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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52. Plant breeding and selection: new introductionsAnnual report 1972-1973

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

Publisher: Tafo (Ghana) 1975Availability: No copies available Actions: Add to cart
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53. Progeny trials at ApedwaAnnual report 1975-1976

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

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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54. Analítica Reflections on yields from hybrid cocoa varieties in Ghana

by Lockwood, G.

Source: Cocoa Growers' Bulletin (RU) Publisher: 1977Availability: No copies available Actions: Add to cart
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55. Resistance assessment and tolerance assessment trialsAnnual report 1975-1976

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

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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56. Resistance assessment trials of Series VII progenyAnnual report 1975-1976

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

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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57. Analítica Resistance of cocoa to swollen-shoot virus in Ghana, 1: Field trials

by Legg, J.T; Lockwood, G.

Source: Annals of Applied Biology (RU) Publisher: 1981Availability: No copies available Actions: Add to cart
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58. Analítica Resistance of cocoa to swollen-shoot virus in Ghana, 2: Assessment of seed inoculation experiments

by Lockwood, G.

Source: Annals of Applied Biology (RU) Publisher: 1981Availability: No copies available Actions: Add to cart
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59. 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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60. The screening of progenies in seedling testsAnnual report 1974-1975

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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61. 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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62. The screening of progenies in seedling testsAnnual report 1973-1974

by Legg, J.T; Kenten, R.H; Lockwood, G. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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63. The screening of progenies in seedling testsAnnual report 1971-1972

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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64. 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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65. Screening of progenies under test in field resistance assessment trialsAnnual report 1975-1976

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

Publisher: Tafo (Ghana) 1978Availability: No copies available Actions: Add to cart
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66. The screening of seedlingsAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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67. Seedlings from putative T. cacao x Herrania spp. backcrossesAnnual report 1971-1972

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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68. Segregation for resistanceAnnual report 1974-1975

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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69. Series III, IV and V trial (D14)Annual report 1974-1975

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

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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70. Series III trial (D13)Annual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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71. Analítica Studies on the effects of cross-incompatibility on the cropping of cocoa in Ghana

by Lockwood, G.

Source: Journal of Horticultural Science (RU) Publisher: 1977Availability: No copies available Actions: Add to cart
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72. Analítica Studies on the possibility of increasing resistance to cocoa swollen-shoot virus by breeding

by Kenten, R.H; Lockwood, G.

Source: Annals of Applied Biology (RU) Publisher: 1977Availability: No copies available Actions: Add to cart
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73. Supplementary hand-pollinationsAnnual report 1970-1971

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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74. The swollen shoot problem in GhanaProceedings

by Chalmers, W.S; Fordham, R; Iton, E.F. eds; Legg, J.T; Edwards, D.F; Lockwood, G; Murray, D.B; Jones, E; Quesnel, V.C. -- Cocoa Research Institute, St. Augustine (Trinidad y Tobago) -- 4. International Cocoa Research Conference St. Augustine (Trinidad y Tobago) 8-18 Ene 1972.

Publisher: St. Augustine (Trinidad y Tobago) 1972Availability: No copies available Actions: Add to cart
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75. T. cacao x Herrania spp. pollinations

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

Publisher: Tafo (Ghana) 1973Availability: No copies available Actions: Add to cart
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76. Tolerance and resistance to cocoa swollen shoot virusProceedings

by Legg, J.T; Lockwood, G. -- Cocoa Research Institute, Ibadan (Nigeria) -- 5. International Cocoa Research Conference Ibadan (Nigeria) 1975.

Publisher: [sl] 1975?Availability: No copies available Actions: Add to cart
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77. Tolerance trialsAnnual report 1974-1975

by Legg, J.T; Lockwood, G; Danquah, O.A. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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78. Analítica Tolerance trials with young cocoa trees infected with cocoa swollen-shoot virus

by Legg, J.T; Kenten, R.H; Lockwood, G.

Source: Annals of Applied Biology (RU) Publisher: 1980Availability: No copies available Actions: Add to cart
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79. Analítica The use of whole plot data from progeny trials with cocoa (Theobroma cacao L.) in Ghana

by Lockwood, G; Martin, K.J.

Source: Journal of Horticultural Science (RU) Publisher: 1976Availability: No copies available Actions: Add to cart
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80. Vegetative growth in series 7 trialsAnnual report 1973-1974

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

Publisher: Tafo (Ghana) 1976Availability: No copies available Actions: Add to cart
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81. Virus resistance trialAnnual report 1974-75

by Legg, J.T; Lockwood, G; Danquah, O.A. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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82. Virus resistance trial B10Annual report 1974-75

by Legg, J.T; Lockwood, G; Danquah, O.A. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
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83. Virus resistance trial B9Annual report 1974-75

by Legg, J.T; Lockwood, G; Danquah, O.A. -- Cocoa Research Institute, Tafo (Ghana)

Publisher: Tafo (Ghana) 1977Availability: No copies available Actions: Add to cart
No cover image available