Free access
Volume 67, Number 1, January-February 2012
Page(s) 41 - 48
Published online 22 December 2011
  1. Motamayor J.C., Lachenaud P., da Silva e Mota J.W., Loor R., Kuhn D.N., Brown J.S., Schnell R.J., Geographic and genetic population differentiation of the Amazonian chocolate tree (Theobroma cacao L.), PLoS ONE 3 (2008) e3311.
  2. Hasna S., Fleming E., Villano R.A., Patrick I., The potential of cacao agribusiness for poverty alleviation in West Sumatra, in: Proc. 55th Ntl. Conf. Aust. Agric. Resour. Econ. Soc., Aust. Agric. Resour. Econ. Soc, Inc., Melb., Aust., 2011, pp. 20.
  3. Curry G., Koczberski G., Omuru E., Nailina R.S., Farming or foraging? Household labour and livelihood strategies amongst smallholder cocoa growers in Papua New Guinea, Black Swan Press, Perth, Aust., 2007.
  4. Cheesman E., Notes on the nomenclature, classification possible and relationships of cocoa populations, Trop. Agric. 21 (1944) 144–159.
  5. Surujdeo-Maharaj S., Umaharan P., Iwaro A.D., A study of genotype-isolate interaction in cacao (Theobroma cacao L.): resistance of cacao genotypes to isolates of Phytophthora palmivora, Euphytica 118 (2001) 295–303. [CrossRef]
  6. Clement D., Risterucci A.M., Motamayor J.C., N’Goran, J., Lanaud C., Mapping QTL for yield components, vigor, and resistance to Phytophthora palmivora in Theobroma cacao L., Genome 46 (2003) 204–212. [CrossRef] [PubMed]
  7. Hebbar P.K., Cacao diseases: a global perspective from an industry point of view. Phytopathology 97 (2007) 1658–1663.
  8. Ploetz R.C., Cacao diseases: Important threats to chocolate production worldwide, Phytopathology 97 (2007) 1634–1639. [CrossRef] [PubMed]
  9. Guest D., Black pod: diverse pathogens with a global impact on cocoa yield, Phytopathology 97 (2007) 1650–1653. [CrossRef] [PubMed]
  10. Adomako B., Causes and extent of yield losses in cocoa progenies, Trop. Sci. 47 (2007) 22–25. [CrossRef]
  11. Dormon E.N.A., Huis A.V., Leeuwis C., Obeng-Ofori D., Sakyi-Dawson O., Causes of low productivity of cocoa in Ghana: farmers’ perspectives and insights from research and the socio-political establishment, NJAS 52 (2004) 237–259.
  12. Anon., Diversity and management of Phytophthora in Southeast Asia, Drenth A., Guest D.I. (Eds.), ACIAR Monogr. 114, Canberra, Aust., 2004.
  13. Gregory P.H., Madison A.C., Epidemiology of Phytophthora in cocoa in Nigeria, Commonw. Mycol. Inst., Kew, Surrey, Engl., 1981.
  14. Matos G., Blaha G., Rodriguez F., Cabrera M., Marquez J., Martinez F., Lotode R., Cilas C., Losses due to Phytophthora palmivora (Butl.) and other agents on cocoa plantations in Baracoa, Cafe Cacao (Cuba) 1 (1998) 7–11.
  15. Anon., Phytophthora diseases worldwide, Erwin D., Ribeiro O.K. (Eds.), Am. Phytopathol. Soc., St. Paul, MN, 1996.
  16. Deberdt P., Mfegue C.V., Tondje P.R., Bon M.C.Ducamp M., Hurard C., Begoude B.A.D., Ndoumbe-Nkeng M., Hebbar P.K., Cilas C., Impact of environmental factors, chemical fungicide and biological control on cacao pod production dynamics and black pod disease (Phytophthora megakarya) in Cameroon, Biol. Control 44 (2008) 149–159. [CrossRef]
  17. Matos G., Cabrera M., Perez P., Blaha G., Influence of ants (Pseudonymex pallidus) to the onset of Phytophthora palmivora in cacao. Preliminary notes, Cafe Cacao (Cuba) 1 (1998) 30–35.
  18. Soberanis W., Rios R., Arevalo E., Zuñiga L., Cabezas O., Krauss U., Increased frequency of phytosanitary pod removal in cacao (Theobroma cacao) increases yield economically in eastern Peru, Crop Prot. 18 (1999) 677–685. [CrossRef]
  19. Ndoumbe-Nkeng M., Cilas C., Nyemb E., Nyasse S., Bieysse D., Flori A., Sache I., Impact of removing diseased pods on cocoa black pod caused by Phytophthora megakarya and on cocoa production in Cameroon, Crop Prot. 23 (2004) 415–424. [CrossRef]
  20. Almeida A.A., Valle R.R., Ecophysiology of the cacao tree, Braz. J. Plant Physiol. 19 (2007) 425–448. [CrossRef]
  21. Appiah A.A., Opoku I.Y., Akrofi A.Y., Natural occurrence and distribution of stem cankers caused by Phytophthora megakarya and Phytophthora palmivora on cocoa, Eur. J. Plant Pathol. 110 (2004) 983–990. [CrossRef]
  22. Jackson G.V.H., Sources of Phytophthora palmivora inoculum in Solomon Island cocoa plantations, Trans. Br. Mycol. Soc. 71 (1978) 239–249. [CrossRef]
  23. Onesirosan P.T., The survival of Phytophthora palmivora in a cacao plantation during the dry season, Phytopathol. 61 (1971) 975–977. [CrossRef]
  24. Opoku I.Y., Appiah A.A., Akrofi A.Y., Phytophthora megakarya: A potential threat to the cocoa industry in Ghana, Ghana J. Agric. Sci. 33 (2000) 237–248.
  25. McGregor A., Evaluation of five systemic fungicides for control of Phytophthora pod rot of cocoa, in: Proc. Int. Cocoa Res. Conf., Cartagena, Colombia, Cocoa Producers’ Alliance, Lagos, Nigeria, 1982, pp. 295–299.
  26. Hislop E.C., Studies on the chemical control of Phytophthora palmivora (Butl.) Butl. on Theobroma cacao L. in Nigeria, 4: Further laboratory and field trials of fungicides, Ann. Appl. Biol. (RU) 52 (1963) 465–480. [CrossRef]
  27. Holderness M., Comparison of metalaxyl/cuprous oxide sprays and potassium phosphonate as sprays and trunk injections for control of Phytophthora palmivora pod rot and canker of cocoa, Crop Prot. 11 (1992) 141–147. [CrossRef]
  28. Opoku I.Y., Akrofi A.Y., Appiah A.A., Assessment of sanitation and fungicide application directed at cocoa tree trunks for the control of Phytophthora black pod infections in pods growing in the canopy, Eur. J. Plant Pathol. 117 (2007) 167–175. [CrossRef]
  29. Opoku I.Y., Assuah M.K., Aneani F., Management of black pod disease of cocoa with reduced number of fungicide application and crop sanitation, Afr. J. Agric. Res. 2 (2007) 601–604.
  30. Akrofi A.Y., Appiah A.A., Opoku I.Y., Management of Phytophthora pod rot disease on cocoa farms in Ghana, Crop Prot. 22 (2003) 469–477. [CrossRef]
  31. Coulibaly O., Mbila D., Sonwa D.J., Adesina A., Bakala J., Responding to economic crisis in sub-Saharan Africa: New farmer-developed pest management strategies in cocoa-based plantations in Southern Cameroon, Integr. Pest Manag. Rev. 7 (2002) 165–172. [CrossRef]
  32. Aikpokpodion P.E., Lajide L., Aiyesanmi A.F., Heavy metals contamination in fungicide treated cocoa plantations in Cross River State, Nigeria, Am.-Eurasian J. Agric. Environ. Sci. 8 (2010) 268–274.
  33. Pokou N.D., N’Gorana J.A.K., Kébé I., Eskes A., Tahia M., Sangaré A., Levels of resistance to Phytophthora pod rot in cocoa accessions selected on-farm in Côte d’Ivoire, Crop Prot. 27 (2008) 302–309. [CrossRef]
  34. Tan G.Y., Tan W.K., Additive inheritance of resistance to pod rot caused by Phytophthora palmivora in cocoa, Theor. Appl. Genet. 80 (1990) 258–264. [PubMed]
  35. Nyassé S., Cilas C., Herail C., Blaha G., Leaf inoculation as an early screening test for cocoa (Theobroma cacao L.) resistance to Phytophthora black pod disease, Crop Prot. 14 (1995) 657–663. [CrossRef]
  36. Iwaro A.D., Sreenivasan T.N., Umaharan P., Foliar resistance to Phytophthora palmivora as an indicator of pod resistance in Theobroma cacao, Plant Dis. 81 (1997) 619–624. [CrossRef]
  37. Iwaro A.D., Sreenivasan T.N., Umaharan P., Phytophthora resistance in cacao (Theobroma cacao): Influence of pod morphological characteristics, Plant Pathol. 46 (1997) 557–565. [CrossRef]
  38. Iwaro A.D., Sreenivasan T.N., Umaharan P., Cacao resistance to Phytophthora: Effect of pathogen species, inoculation depths and pod maturity, Eur. J. Plant Pathol. 104 (1998) 11–15. [CrossRef]
  39. Nyassé S., Despréaux D., Cilas C., Validity of a leaf inoculation test to assess the resistance to Phytophthora megakarya in a cocoa (Theobroma cacao L.) diallel mating design, Euphytica 123 (2002) 395–399. [CrossRef]
  40. Iwaro A.D., Thévenin J.M., Butler D.R., Eskes A.B., Usefulness of the detached pod test for assessment of cacao resistance to Phytophthora pod rot, Eur. J. Plant Pathol. 113 (2005) 173–182. [CrossRef]
  41. Tahi G.M., Kébé B.I., Sangare A., Cilas C., Eskes A.B., Foliar resistance of cacao (Theobroma cacao) to Phytophthora palmivora as an indicator of pod resistance in the field: the effect of light intensity and time of day of leaf collection, Plant Pathol. 56 (2007) 219–226. [CrossRef]
  42. Efombagn M.I.B., Bieysse D., Nyassé S., Eskes A.B., Selection for resistance to Phytophthora pod rot of cocoa (Theobroma cacao L.) in Cameroon: Repeatability and reliability of screening tests and field observations, Crop Prot. 30 (2011) 105–110. [CrossRef]
  43. Tahi M., Kebe I., Eskes A., Ouattara S., Sangare A., Mondeil F., Rapid screening of cacao genotypes for field resistance to Phytophthora palmivora using leaves, twigs and roots, Eur. J. Plant Pathol. 106 (2000) 87–94. [CrossRef]
  44. Tahi G., Kébé B., N’Goran J., Sangaré A., Mondeil F., Cilas C., Eskes A., Expected selection efficiency for resistance to cacao pod rot (Phytophthora palmivora) comparing leaf disc inoculations with field observations, Euphytica 149 (2006) 35–44. [CrossRef]
  45. Crouzillat D., Phillips W., Fritz P., Pétiard V., Quantitative trait loci analysis in Theobroma cacao using molecular markers. Inheritance of polygenic resistance to Phytophthora palmivora in two related cacao populations, Euphytica 114 (2000) 25–36. [CrossRef]
  46. Kuhn D.N., Heath M., Wisser R.J., Meerow A., Brown J.S., Lopes U., Schnell R.J., Resistance gene homologues in Theobroma cacao as useful genetic markers, Theor. Appl. Genet. 107 (2003) 191–202. [CrossRef] [PubMed]
  47. Lanaud C., Risterucci A.M., Pieretti I., N’Goran J.A.K., Fargeas D., Characterisation and genetic mapping of resistance and defence gene analogs in cocoa (Theobroma cacao L.), Mol. Breed. 13 (2004) 211–227. [CrossRef]
  48. Antúnez-de-Mayolo G., Genetic engineering of Theobroma cacao and molecular studies on cacao defense responses, Pa State Univ., PhD thesis, Pa, USA, 2003, 154 p.
  49. Nyassé S., Efombagn M.I.B., Kébé B.I., Tahi M., Despréaux D., Cilas C., Integrated management of Phytophthora diseases on cocoa (Theobroma cacao L.): Impact of plant breeding on pod rot incidence, Crop Prot. 26 (2007) 40–45. [CrossRef]
  50. Hanada R.E., Pomella A.W.V., Soberanis W., Loguercio L.L., Pereira J.O., Biocontrol potential of Trichoderma martiale against the black-pod disease (Phytophthora palmivora) of cacao, Biol. Control 50 (2009) 143–149. [CrossRef]
  51. Mpika J., Kébé I.B., Issali A.E., N’Guessan F.K., Druzhinina S., Komon-Zélazowska M., Kubicek C.P., Aké S., Antagonist potential of Trichoderma indigenous isolates for biological control of Phytophthora palmivora the causative agent of black pod disease on cocoa (Theobroma cacao L.) in Côte d’Ivoire, Afr. J. Biotechnol. 8 (2009) 5280–5293.
  52. Tondje P.R., Roberts D.P., Bon M.C., Widmer T., Samuels G.J., Ismaiel A., Begoude A.D., Tchana T., Nyemb-Tshomb E., Ndoumbe-Nkeng M., Bateman R., Fontem D., Hebbar K.P., Isolation and identification of mycoparasitic isolates of Trichoderma asperellum with potential for suppression of black pod disease of cacao in Cameroon, Biol. Control 43 (2007) 202–212. [CrossRef]
  53. Bailey B.A., Strem M.D., Wood D., Trichoderma species form endophytic associations within Theobroma cacao trichomes, Mycol. Res. 113 (2009) 1365–1376. [CrossRef] [PubMed]
  54. Bae H., Sicher R.C., Kim M.S., Kim S., Strem M.D., Melnick R.L., Bailey B.A., The beneficial endophyte Trichoderma hamatum isolate DIS 219b promotes growth and delays the onset of the drought response in Theobroma cacao, J. Exp. Bot. 60 (2009) 3279–3295. [CrossRef] [PubMed]
  55. Barreto T.R., da Silva A.C.M., Soares A.C.F., de Souza J.T., Population densities and genetic diversity of actinomycetes associated to the rhizosphere of Theobroma cacao, Braz. J. Microbiol. 39 (2008) 464–470. [CrossRef] [PubMed]
  56. Macagnan D., Romeiro R., de Souza J., Pomella A., Isolation of actinomycetes and endospore-forming bacteria from the cacao pod surface and their antagonistic activity against the witches’ broom and black pod pathogens, Phytoparasitica 34 (2006) 122–132. [CrossRef]
  57. Bhavani R., Abraham K., Vijayaraghavan R., Usefulness of epiphytic microflora from pod surface on the management of Phytophthora pod rot of cocoa, Int. J. Plant Sci. (Muzaffarnagar) 2 (2007) 178–183.
  58. Bhavani R., Abraham K., Efficacy of selected epiphytic microflora from pod surface against Phytophthora pod rot of cocoa, in: Keshavachandran R., Nazeem P., Girija D., John P.S., Peter K.V. (Eds.), Proc. Recent trends in horticultural biotechnology, ICAR Ntl. Symp. Biotechnological interventions for improvement of horticultural crops: issues and strategies, ICAR, Kerala, India, 2005, pp 871–875.
  59. Aguirre-Medina J.F., Mendoza-López A., Cadena-Iñiguez J., Avendaño-Arrazate C.H., Efecto de la biofertilización en vivero del cacao (Theobroma cacao L.) con Azospirillum brasilense Tarrand, Krieg et Döbereiner y Glomus intraradices Schenk et Smith, Interciencia 32 (2007) 541–546.
  60. Melnick R.L., Zidack N.K., Bailey B.A., Maximova S.N., Guiltinan M., Backman P.A., Bacterial endophytes: Bacillus spp. from annual crops as potential biological control agents of black pod rot of cacao, Biol. Control 46 (2008) 46–56. [CrossRef]
  61. Melnick R.L., Suárez C., Bailey B.A., Backman P.A., Isolation of endophytic endospore-forming bacteria from Theobroma cacao as potential biological control agents of cacao diseases, Biol. Control 57 (2011) 236–245. [CrossRef]
  62. Konam J., Guest D., Leaf litter mulch reduces the survival of Phytophthora palmivora under cocoa trees in Papua New Guinea, Australas. Plant Pathol. 31 (2002) 381–383. [CrossRef]