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Behavoir of cocoa clones cultived under different pit sizes Comportamento de clones de cacau cultivados sob diferentes tamanhos de covas

by Chepote, R.E; Reis, E.L; Araujo, Q.R. de.
Publisher: (Set - Dic 2009)ISSN: 0103-3816.Subject(s): THEOBROMA CACAO | CLONES | TALLOS | CRECIMIENTO | SISTEMA RADICULAR | PROPAGACION DE PLANTAS | FERRALSOLES | DENSIDAD | PROPIEDADES FISICO - QUIMICAS SUELO | BRASIL | THEOBROMA CACAO | CLONES | STEMS | GROWTH | ROOT SYSTEMS | PLANT PROPAGATION | FERRALSOLS | DENSITY | SOIL CHEMICOPHYSICAL PROPERTIES | BRAZIL | THEOBROMA CACAO | CLONE | TIGE | CROISSANCE | SYSTEME RACINAIRE | MULTIPLICATION DES PLANTES | FERRALSOL | DENSITE | PROPRIETE PHYSICOCHIMIQUE DU SOL | BRESIL In: Agrotrópica (Brasil) v. 21(3) p. 153-158Summary: The shoot and root growth of two cacao clones (TSH-1188) derived from stem cutting were evaluated under different hole sizes planted in an Oxisol unit Una, in South Bahia, Brazil. The treatments were: holes of 20x20x20, 20x20x30, 30x30x30, 30x30x40, 40x40x40 and 40x40x50 cm. The experimental desing was a randomized complete block desing with three replications and 12 plants per plot.In the plant root system were evaluated: the dry wight, number, diameter, length and density of roots. It was observed that holes with depth of 40 cm and / or holes larger than 40x40x40 cm increased shoot growth (height, diameter, and length)(P 0,05) in both clones. TSH-516 showed mor efficient use of water when planted in holes with sizes 30x30x40cm.
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The shoot and root growth of two cacao clones (TSH-1188) derived from stem cutting were evaluated under different hole sizes planted in an Oxisol unit Una, in South Bahia, Brazil. The treatments were: holes of 20x20x20, 20x20x30, 30x30x30, 30x30x40, 40x40x40 and 40x40x50 cm. The experimental desing was a randomized complete block desing with three replications and 12 plants per plot.In the plant root system were evaluated: the dry wight, number, diameter, length and density of roots. It was observed that holes with depth of 40 cm and / or holes larger than 40x40x40 cm increased shoot growth (height, diameter, and length)(P 0,05) in both clones. TSH-516 showed mor efficient use of water when planted in holes with sizes 30x30x40cm.

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