Diagnosis of Boron Deficiency in Green Dwarf Coconut PalmReportar como inadecuado




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The diagnosis of boron deficiency in coconut palms has been hampered by lack of information about its distribution in the plant. Two experiments were conducted, one in a greenhouse to induce boron deficiency in dwarf green coconut palms, and other in the field, in which the plants received doses of boric acid, BOH3. The objective was to verify symptoms of boron deficiency and boron content variation in canopy, leaves and folioles or leaflets. Boron deficient plants led leaves and folioles to become deformed. The deficient and sufficient contents of boron varied significantly in the canopy, but did not vary in leaves. The boron content increased significantly from bottom to the apex of the folioles in both treatments. To survey the level of boron in the coconut palm, the ideal is, using samples taken from the youngest leaf, to calculate the relation between the boron content in the apex of the foliole and the content in the center or in the folioles bottom, with minimum values 2.2 or 2.7, respectively.

KEYWORDS

Symptoms, Leaf Analysis, Deficiency Induction, Boric Acid, Samples, Cocos nucifera

Cite this paper

da Rocha Pinho, L. , Monnerat, P. , Pires, A. , Freitas, M. and Marciano, C. 2015 Diagnosis of Boron Deficiency in Green Dwarf Coconut Palm. Agricultural Sciences, 6, 164-174. doi: 10.4236-as.2015.61015.





Autor: Leandro Glaydson da Rocha Pinho1, Pedro Henrique Monnerat2, André Assis Pires1, Marta Simone Mendonça Freitas2, Claudio Roberto

Fuente: http://www.scirp.org/



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