01956naa a2200181 a 450000100080000000500110000800800410001902400350006010000190009524500940011426000090020852014210021765000120163865000130165065000230166370000230168677300650170912124552022-04-07 2000 bl uuuu u00u1 u #d7 a10.1080/019041600093820882DOI1 aFAGERIA, N. K. aEvaluation of common bean genotypes for phosphorus use efficiency.h[electronic resource] c2000 aA greenhouse experiment was conducted to evaluate phosphorus (P)-use efficiency of 10 promising genotypes of common bean (Phaseoius vulgaris L.) with short and normal growth duration. The genotypes were grown on an Oxisol at 25 mg P kg-1 (low P) and 150 mg P kg-1 (high P) of soil. Shoot and root dry weight, root length, P concentration in the shoot, and P uptake in the shoot were significantly (P<0.01) affected by soil P concentration and genotype. However, P level did not effect root length and genotype had no effect on root dry weight. On the basis of P-use efficiency (mg dry weight of shoot/mg P accumulated in the shoot) genotypes were classified as efficient and responsive (ER), efficient and nonresponsive (ENR), nonefficient and responsive (NER), and nonefficient and nonresponsive (NENR). From a practical point of view, genotypes which produce a lot of dry matter in a soil with a low P level, and respond well to added P are the most desirable because they are able to express their high yield potential in a wide range of P environments. Novo Jalo and Pérola genotypes fall into this group. Genotypes Irai, Jalo Precoce and L93300166 fall into the ENR group. Genotypes Carioca, Rosinha G-2, and Xamengo were classified NER, whereas, genotypes L93300176 and Diamante Negro were classified as NENR. There were no differences between short and normal growth duration genotypes in P-use efficiency. aFeijão aFósforo aPhaseolus Vulgaris1 aCOSTA, J. G. C. da tJournal of Plant Nutritiongv. 23, n. 8, p. 1145-1152, 2000.