Evaluation of Leucaena spp. genotypes in the edaphic and climatic conditions of São Carlos, SP: II. bromatological determinations at the establishment period
DOI:
https://doi.org/10.1590/S0103-90161994000100009Keywords:
Leucaena sp., evaluation of genotypes, bromatological determinationsAbstract
In a trial conducted on a distrofic Red-Yellow Latossol, at EMBRAPA-CPPSE, São Carlos, located at 22°01'S and 47'53'W, altitude of 856 m and with a mean annual rainfall of 1502 mm, the bromatological composition of leaves, stems smaller than 6 mm diameter and pods of leucena genotypes was determined. The genotypes evaluated were: L.leucocephala cv. Texas 1074 (T1), L.leucocephala 29 A9 (T2), L.leucocephala 11 x L.dlversifolia 25 (T3), L.leucocephala 11 x L.diverstfolia 26 (T4), L.leucocephala 24-19/2-39 x L.diversifolia 26 (T5) and L.leucocephala cv. Cunningham (control). It was found that: - The evaluated genotypes did not show differences among themselves for bromatological determinations on leaves and fine stems; - T3 genotype had the greatest content of crude protein (28.06%), phosphorus (0.29%), the greatest PB/FDN relation, and the smaller FDN content of pods; - The genotypes presented the following average percentual contents of the bromatological composition of leaves, pods and stems smaller than 6 mm diameter, respectively: Crude Protein (18.57; 21.68; 6.41); Neutral detergent fiber (29.09; 41.58; 71.01); Phosphorus (0.12; 0.22; 0.06); Calcium (1.39; 0.36; 0.49); Magnesium (0.51; 0.28; 0.24); Tannin (1.32; 1.15; 0.28) and "in vitro" digestibility (58J9; 61.22; 33.61); - Protein and phosphorus contents presented the following decreasing order in plant parts: pods >; leaves >; stems smaller than 6 mm diameter; calcium contents: leaves >; stems smaller than 6 mm diameter >; pods; and the magnesium: leaves >; pods >; stems smaller than 6 mm diameter.Downloads
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Published
1994-04-01
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Section
Agronomy
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All content of the journal, except where identified, is licensed under a Creative Common attribution-type BY-NC.How to Cite
Evaluation of Leucaena spp. genotypes in the edaphic and climatic conditions of São Carlos, SP: II. bromatological determinations at the establishment period . (1994). Scientia Agricola, 51(1), 53-57. https://doi.org/10.1590/S0103-90161994000100009