Stem pitting in cocoa (Theobroma cacao)

Stem pitting in cocoa (Theobroma cacao)

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Various forms of swellings were found on the chupon growth of adult cocoa trees. Where the stems were swollen, the phloem was thicker than normal and had peg-like processes which protruded into pits in the xylem. Anatomical investigations showed that the tissues were disorganised and these sites. The number of affected trees in the field plots was observed to increase with time and a positional association was demonstrated. The cause of these abnormalities has not been determined

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Bibliographic Details
Main Authors: 107834 Quesnel, V.C., 56331 Chalmers, W.S., 68473 Fordham, R., 80036 Iton, E.F. eds., 85824 Legg, J.T., 105046 Phillips, E., 97646 Murray, D.B., Jones, Earl 81495, 5330 Cocoa Research Institute, St. Augustine (Trinidad y Tobago), 4. International Cocoa Research Conference St. Augustine (Trinidad y Tobago) 8-18 Ene 1972
Format: biblioteca
Published: St. Augustine (Trinidad y Tobago) 1972
Subjects:THEOBROMA CACAO, MALFORMACION, TALLO, STEM PITTING, TRASTORNOS FUNCIONALES, COCOA SWOLLEN SHOOT VIRUS,
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Summary:Various forms of swellings were found on the chupon growth of adult cocoa trees. Where the stems were swollen, the phloem was thicker than normal and had peg-like processes which protruded into pits in the xylem. Anatomical investigations showed that the tissues were disorganised and these sites. The number of affected trees in the field plots was observed to increase with time and a positional association was demonstrated. The cause of these abnormalities has not been determined

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