Morfofisiologia e rendimento de fava sob diferentes condições de manejo cultural.

Abstract

The cultivation of lima bean ponders, mainly, in the Northeast of Brazil, beingan important source of proteins for population. Is the most tolerant to drought of Phaseolus species, adapting well to the family agriculture system. In spite of its importance, the lima bean has been studied little, needing more attention of the researchers. This work was carried in the Experimental Station of the Pineapple, of EMEPA, situated at Sapé/PB, consisting of three experiments, with the objective of obtaining information about growth, development and production of lima bean (Phaseolus lunatus L.), in handlings different from the culture. In the first experiment, developed during April to August of 2003, thirteen cultivars cultivated in the Paraiba State were studied, with the objective of defining several morphologic and physiologic characteristics, as well as the growth and development of plants with and without irrigation conditions. The seeds were provided by the Company of Agricultural Research of Paraíba-EMEPA. High variability of the morphologic characteristics in studied genotypes was verified, well as in growth and production indexes. The second experiment was developed during October/2003 to March/2004 with the objective to study the growth and the development of seven cultivars of lima bean, selected of the previous experiment, irrigated with four irrigation depths. Four cultivars did not bloom, staying during the whole period of experiment, approximately 150 days, in vegetative state. Rains above the historical averages might have influenced the growth and development of the plants. The third experiment was conducted during September/2004 to February/2005, with the objective to study the development of the lima bean cultivated with four irrigation depths and two plantation densities. The experiment was developed with the Boca-de-moça variety. In each chapter of this work consist information and data obtained in several experiments.