Vol. 74 No. 4 (1990): Vol. 74, No. 4, October 1990
Vol. 74, No. 4, October 1990

Articles

James S. Beaver, Miguel Martínez, Graciela Godoy
349-355
Evaluation of dry beans for resistance to ashy stem blight
PDF
Eduardo Rosado, Heriberto Batiz, Mercedes Vilella
357-364
HPLC method for analysis of substrate and products in beverage alcohol production
PDF
K. Dale Ritchey, Lucas V. Ramírez, Ricardo Goenaga, Victor Chew
365-373
Rapid methods for determining tanier (Xanthosoma spp.) root responses to soil acidity
PDF
Juan A. Torres
375-394
Ecological and agricultural aspects of the fire ant Solenopsis invicta
PDF
Wilfredo Figueroa, Jessé Román
395-404
Biocontrol of the sugarcane rootstalk borer, Diaprepes abbreviatus (L) (Coleoptera: Curculionidae), with entomophilic nematodes
PDF
Niilo Virkki, Cristina Mazzella, Aida Denton
405-418
Staining of substances adjacent to the sex bivalent in certain weevils of Puerto Rico
PDF
Héber Irizarry, Edmundo Rivera, José A. Rodríguez
419-426
Response of bananas (Musa acuminata, AAA) to magnesium fertilization in an Ultisol
PDF
Carmen I. Alamo, Gladys González
427-432
Marginal productivity of expenditures in research on coffee by the Agricultural Experiment Station
PDF
Lii-Chyuan Liu
433-439
Chemical control of Albizia and mesquite in two selected pastures in southwestern Puerto Rico
PDF
Alejandro E. Segarra-Carmona, Rosa A. Franqui, Lucas V. Ramírez-Ramos, Luis Reynaldo Santiago, Carlos N. Torres-Rivera
441-447
Hot water dip treatments to destroy Anastrepha obliqua larvae (Diptera: Tephritidae) in mangoes from Puerto Rico
PDF
Domingo J. Carpintero, Jenaro Maldonado-Capriles
449-456
Contributions to the knowledge of American Ectrichodiinae. II. Notes about Rhiginia and Pothea (Hemiptera: Reduviidae)
PDF

Research Notes

Rodrigo Echávez-Badel
457-459
INCIDENCE OF RING SPOT DISEASE IN SUGARCANE
PDF
Lucas N. Avilés-Rodríguez, Elvin Caraballo, Guillermo Fornaris-Rullán
461-463
AN EVALUATION OF 10 CUCUMBER (CUCUMIS SATIVA L.) CULTIVARS IN SOUTHERN PUERTO RICO
PDF
Arturo Cedeño-Maldonado, Angel Bosques-Vega
465-465
A NEW METHOD FOR RAPID MULTIPLICATION OF COCOYAM (XANTHOSOMA SPP) VEGETATIVE MATERIAL
PDF
Henry Huertas-Díaz
467-469
FERMENTATION OF BLACKSTRAP MOLASSES SUPPLEMENTED WITH FOUR DIFFERENT NUTRIENTS
PDF
Li C. Liu, James A. Singmaster III
471-475
HERBICIDE DRIFT CONTROL IN PLANTAINS AND TANIERS
PDF
Alejandro E. Segarra-Carmona, Julio Bird, Jaime Escudero, Guillermo Fornaris-Rullán, Rosa A. Franqui
477-478
SILVERING OF CUCURBITA MOSCHATA (DUCHESNE) POIR ASSOCIATED WITH BEMISIA TABACI GENN. (HOMOPTERA: ALEYRODIDAE) IN PUERTO RICO
PDF