EMERGÊNCIA E SOBREVIVÊNCIA DE PLÂNTULAS DE IMBUZEIRO (Spondias tuberosa Arruda) NA CAATINGA
2006
Nilton de Brito Cavalcanti | Geraldo Milanez de Resende | Marcos Antônio Drumond | Luiza Teixeira de Lima Brito
This work had as objective to evaluate the emergency and the survival of seedlings of imbu tree (Spondias tuberosa Arruda) in caatinga. The assay was carried through of January of 2001 the December of 2004 with 37 plants of imbu tree, selected to perhaps in area of caatinga of the Embrapa Semi-Árido, Petrolina - PE. In each plant four quadrants of 1 m2 had been demarcated randomized below of the pantry for counting of the emergency and survival of seedlings. The comments had been carried through to each 15 days in the rainy station and 30 days in the dry station. A rain gauge was installed in the area of the experiment for attainment of the values of the occurred precipitation during the period of evaluation. The biggest indices of emergency had occurred in the period of bigger precipitation with 57,89 plântulas.m-2, in average, for plant-mother in the rainy station of 2004. Few seedlings had survived until the end of the period of evaluation. The stadium seedling is most critical for the survival and development of the imbu tree in caatinga. The biggest volume of precipitation significantly contributed for a bigger tax of germination and emergency of seedlings of imbu tree.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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