THE INFLUENCE OF CLADODE MORPHOLOGY ON THE CANOPY FORMATION OF FORAGE CACTUS PLANTS
2018
MARCELA LÚCIA BARBOSA | THIERES GEORGE FREIRE DA SILVA | SERGIO ZOLNIER | SÉRVULO MERCIER SIQUEIRA E SILVA | ANTONIO JOSÉ STEIDLE NETO
Here we aimed to evaluate the influence of cladode morphology on the canopy formation of forage cactus plants. The study was carried out in Serra Talhada, the State of Pernambuco, using the IPA Sertânia (IPA), Miúda (MIU), and Orelha de Elefante Mexicana (OEM) clones, which were submitted to three irrigation depths (2.5, 5.0, or 7.5 mm) and three irrigation intervals (7, 14, or 28 days) from March 2012 to August 2013. Cladode and plant canopy biometric data were obtained during the experimental period. We found that the characteristics of the second and third order cladodes contributed most to the canopy formation of clones of the genus Nopalea (IPA and MIU), whereas, for the genus Opuntia (OEM), the first and third order cladodes contributed most. Overall, we found that the influence of the cladode variables on the canopy growth of forage cactus is more associated with the characteristics of the genus than to the peculiarities of the clones.
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