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Desarrollo de líneas de frijol (Phaseolus vulgaris L.) que combinen resistencia a Mustia hilachosa [Thanatephorus cucumeris Frank (Donk)], Bacteriosis común (Xanthomonas axonopodis pv. phaseoli) y los virus BGYMV, BCMV y BCMNV
(2017)
The common bean (Phaseolus vulgaris L.) is one of the most extensively consumed grain legumes worldwide. Seed yields of this crop are affected by different biotic and abiotic factors. Web blight caused by Thanatephorus ...
Efecto de diferentes métodos de fertilización y manejo de agua en el rendimiento del cultivo de piña [ Ananas Cosmosus (L.) Merr.] bajo condiciones de campo
(2012)
Pineapple [Ananas comosus (L.) Merr.] is an important fruit crop in many tropical countries around the world. Its production has decreased dramatically in Puerto Rico by 77% since 1965. This reduction may be due to problems ...
Efecto de nitrógeno y coberturas sobre el rendimiento y calidad del pimiento (Capsicum annuum L.) en el valle de Lajas de Puerto Rico
(2017)
Two studies were conducted at the Agriculture Experimental Station (AES), Lajas, Puerto
Rico to determine pepper (Capsicum annuum L.) yield grown in a legume living mulch
(LLM; Mucuna pruriens) and plastic cover (PC) at ...
Sistema integrado de leguminosas y su efecto en el establecimiento de plátano (Musa acuminata x balbisiana, AAB) en dos agroecosistemas de Puerto Rico
(2014)
En Puerto Rico, los plátanos (Musa acuminata x balbisiana, AAB) son considerados como una importante empresa agrícola, con un ingreso bruto anual de $81 millones. Sin embargo, el costo de producción de este cultivo es alto ...
Caracterización fenotipica de una colección de germoplasma de mamey sapote (Portería Sapota, [JACQ.] H.E. Moore & Stearn.) del USDA-ARS TARS
(2009)
Twenty-six accessions of mamey sapote (Pouteria sapota [Jacq.] H.E. Moore & Stearn) from the USDA-ARS TARS (Tropical Agricultural Research Station) collection growing at Isabela, Puerto Rico were evaluated for both ...
Effects of biostimulants and fertilization methods on potted chocolate beauty bell peppers grown in a protected structure
(2016)
Three experiments were conducted in order to assess the effects of combining different post-transplant N fertilization methods (GUF, SOF, & SUF) with commercially available foliar biostimulants (AQC, VTZ, SPX, & WTR) on ...
Desarrollo de líneas de habichuela (Phaseolus vulgaris L.) con resistencia a BCMV, BGYMV y mejor adaptación en suelos bajos en N.
(2010)
El Virus del Mosaico Común de la Habichuela (BCMV) y Virus del Mosaico Dorado Amarillo de la Habichuela (BGYMV) son una amenaza para la producción de la (Phaseolus vulgaris L.), a través del Caribe y Centroamérica. Los ...
Restoration practices for subtropical dry forest in Puerto Rico: ecological and economic aspects for native trees species
(2012)
Subtropical dry forests that are degraded by human activities may take centuries to recover. Reforestation projects can be an important instrument for the regeneration of dry forests. However, the costs and labor requirements ...
Response to phenotypic recurrent selection for resistance to Diaphania hyalinata (L.) (Lepidoptera: Pyralidae) in Tropical Pumpkin (Cucurbita moschata Duchesne)esponse to phenotypic recurrent selection for resistance to Diaphania hyalinata (L.) (Lepidoptera: Pyralidae) in Tropical Pumpkin (Cucurbita moschata Duchesne)
(2007)
In order to determine the effectiveness of phenotypic recurrent selection for resistance to melonworm, two cycles of selection were carried out on Cucurbita moschata ‘Taína Dorada’. Selection was based on results of a ...
Benthic algae biological indicators of trophic status in tropical streams
(2014)
This study describes the stressor-response relationships between water quality parameters and periphyton biomass on artificial and natural substrates of three tropical streams with contrasting trophic status. At the nutrient ...