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TITLE :

Alias, A., Azhar, I., Hadley, P. and Hatcher, P.E. 2013. Dynamics and growth of the cocoa pod and its relation in the management of cocoa pod borer, Conopomorpha cramarella (snellen). Paper presented at the Malaysian International Cocoa Conference, Kuala Lumpur.

DESCRIPTION :

The development of cocoa pods was monitored by measuring the length and equatorial width of the pod on a regular basis with objective to investigate the dynamics of growth of cocoa pods at the beginning of fruit set until ripening under field conditions. The information obtained should serve as a basis for enabling cocoa pods to be harvested at a known age for future study or for development of a better strategy in the management of cocoa pod borer. In this study, the dynamics of fruit growth was investigated by fitting logistic model functions to raw data. Because of the widespread distribution of CPB throughout cocoa growing areas, including at the experimental sites, the pods were protected from CPB infestation by sleeving them with transparent plastic bags. Results showed that the dynamics of growth of the cocoa pod varied between clones, and is followed by a simple sigmoid pattern with three distinct growing phases. The pods grew slowly during the initial phase, increased rapidly in the second phase and reached a maximum size in the beginning of the third phase. Cherelle wilt is the major causal agent for the mortality of cocoa pod and this could explain why pod sleeving and chemical spraying are not recommended to the pods that are less than 2 months old.

AUTHOR : 

Alias, A., Azhar, I., Hadley, P. and Hatcher, P.E.

PUBLISH YEAR :

2013

PRICE :

Please refer to the contact person.

CONTACT PERSON :

Dr. Alias Awang

ADDRESS :

Bagan Datuk (Perak),
Lembaga Koko Malaysia, Pusat Penyelidikan dan Pembangunan Koko,
Peti Surat 30,
Jalan Sg. Dulang ,
36307,Sg.Sumun , Perak Darul Rizuan

TELEPHONE :

05-6488176 / 05-6488224

FAX :

05-6489151

EMAIL :

aliasawang@koko.gov.my



Updated by DIREKTORAT on 27-Nov-13
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