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Manejo do cacaueiro silvestre em Várzea do estado do Amazonas, Brasil

by Almeida, L.C. de; Brito, A.M. de; Centro de Pesquisas do Cacau, Bahia (Brasil).
Publisher: (2003)Description: p. 47-52.Subject(s): HEVEA BRASILIENSIS | CEIBA PENTANDRA | PERSEA AMERICANA | EUTERPE OLERACEA | PHYTOPHTHORA PALMIVORA | METODOS DE CULTIVO | ACLAREO | CONTROL CULTURAL | AGALLAS | FLORACION | ANALISIS DE COSTOSOnline Resources: Pt In: Agrotrópica (Brasil) v. 15(1) p. 47-52Summary: The research was carried out for consecutive three years (1996/98)in a typical wild cocoa farm localized in the left margin of the Amazon river, Itacoatiara, Amazon State and the objetives were: i) to evaluat the effect of the management of the practices clump thinning, elimination of excessive shading and cultural control of witches’broom and black pod diseases on the production of the cocoa tree. ii) to evaluat the fenology of flushes and flowering in relation to witches’broom incidence. One hectar of cocoa plantation with 180 clumps was utilized for experiment and the follows treatments were aplied for each 60 clumps: 1- Reduction of the number of trunks/clump in 25%Summary: 2- Reduction of the number of trunks/clump in 40%Summary: 3- Test, without clump thinning . Results showed the superiority of the treatment 2 in all period, with produtivity of 37, 58 and 44% in relation to treatment 3. The witches’broom and black pod diseases incidence in the period was low in all treatments. The low incidence of witches’broom was atributed to the low quantity of the susceptibles tissues of cocoa tree during the rain period, January to April.
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The research was carried out for consecutive three years (1996/98)in a typical wild cocoa farm localized in the left margin of the Amazon river, Itacoatiara, Amazon State and the objetives were: i) to evaluat the effect of the management of the practices clump thinning, elimination of excessive shading and cultural control of witches’broom and black pod diseases on the production of the cocoa tree. ii) to evaluat the fenology of flushes and flowering in relation to witches’broom incidence. One hectar of cocoa plantation with 180 clumps was utilized for experiment and the follows treatments were aplied for each 60 clumps: 1- Reduction of the number of trunks/clump in 25%

2- Reduction of the number of trunks/clump in 40%

3- Test, without clump thinning . Results showed the superiority of the treatment 2 in all period, with produtivity of 37, 58 and 44% in relation to treatment 3. The witches’broom and black pod diseases incidence in the period was low in all treatments. The low incidence of witches’broom was atributed to the low quantity of the susceptibles tissues of cocoa tree during the rain period, January to April.

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