Vol. 63 No. 2 (1979): Vol. 63, No. 2, April 1979
Vol. 63, No. 2, April 1979

Articles

Nelia Acosta, R. B. Malek, D. I. Edwards
103-110
Susceptibility of Soybean Cultivars to Pratylenchus scribneri
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S. Alers-Alers, E. Orengo-Santiago, L. Cruz Pérez
111-115
The Influence of Various N-P-K Fertilizer Levels on Onion Production in Southern Puerto Rico.
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Niilo Virkki
116-145
Response of an Oedionychina (Coleoptera) Karyotype to Acute Gamma Radiation
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Lii-Jang Liu, G. Ramírez-Oliveras, J. L. Serapión, Carlos L. González-Molina
146-151
Further Developments in the Study of the Ratoon Stunting Disease of Sugarcane in Puerto Rico.
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H. M. Pava, A. Sotomayor-Ríos, D. E. Weibel
152-161
Maturation Time and Daily Grain Yield of Sorghum in the Tropics.
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Goro Kuno
162-169
A Nuclear-Polyhedrosis Virus of Spodoptera frugiperda Isolated in Puerto Rico.
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A. Sotomayor-Ríos
170-179
Performance of Twelve Corn Hybrids and Selections in Three Consecutive Crops on the Same Site in the Same Year.
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T. R. Tosteson, D. R. Hale
180-188
The Utilization of Rum Slops by Marine Bacteria. I. Isolation of Efficient Strains.
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D. R. Hale, T. R. Tosteson
189-194
The Utilization of Rum Slops by Marine Bacteria. II. Characterization of Efficient Strains.
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Carmen I. Asencio, Arturo Cedeño-Maldonado
195-201
Effects of Cadmium on Carbonic Anhydrase and Activities Dependent on Electron Transport of Isolated Chloroplasts.
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T. L. Chu, E. Alsina, J. L. Serapión, J. L. Rodríguez, C. L. González-Molina
202-213
Performance of New Sugarcane Varieties in the Coastal and Inner Plains of Eastern Puerto Rico.
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José A. Mari Mutt
214-222
Heteromurtrella, a new tropical subgenus of Heteromurus with descriptions of two new species (Insecta: Collembola: Entomobryidae).
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A. J. Rodríguez, R. Guadalupe, J. R. Cruz
223-228
Quality Grading of Locally Grown Snap Beans for the Fresh Market.
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Saulo J. Rodríguez, Carlos Rivera-López
229-235
Effects of Three Levels of N, P, K on the Growth of Sander's Dracaena (D. sanderiana Hort.).
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Franklin W. Martin, Herminio Delpín
236-249
Selected Varieties of Dioscorea esculenta, a Yam for the Hot, Humid Tropics.
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Fernando Abruña, José Vicente-Chandler, José Rodríguez, José Badillo, Servando Silva
250-267
Crop Response to Soil Acidity Factors in Ultisols and Oxisols in Puerto Rico V. Sweet Potato.
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Research Notes

F. Sánchez-Nieva, Isabel B. de Caloni
268-268
FROZEN DICED TANIERS
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Héber Irizarry, José Rodríguez, Domingo Oramas
269-271
EVALUATION OF FOUR NEMATICIDES IN PREPLANT TREATMENTS OF PLANTAIN (Musa acuminata x M. balbisiana, AAB, CV MARICONGO) CORMS
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