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De Guglielmo Cróquer. Ingeniería genética aplicada al café Sánchez M. 2003. Biotecnología: ventajas y desventajas para la agricultura. Revista Científica UDO Agrícola 3 (1): 1-11. Samson N.; C. Campa, M. Noirot and A. Kochko. 2004. Potencial use of D-Xylosa for coffee plant transformation. In: Proceedings of the 19 th ASIC Colloquium. Bangalore, India, p. 707-713. Sardana R.; S. Dukiandjiev, X. Cheng, K. Cowan and I. Altosaar. 1996. Construction and rapid testing of synthetic and modified toxin gene sequences cry1A b and c by expression in maize endosperm culture. Plant Cell Rep 15: 677-681. Silvarolla M.; P. Mazzafera and L. Fazuoli. 2004. Plant Biochemestry: A naturally decaffeinated arabica coffee. Nature 429: 826. Söndhal M. and W. Sharp. 1977. High frecuency induction of somatic embryos in cultured leaf explants of Coffea Arabica L. Z Pflanzenphysiol 81: 395-408. Söndhal M. and L. Mónaco.1981. In vitro methods applied to coffe. In: Thorpe, T A (ed). Plant tissue culture methods and applications in agriculture, Academic Press, USA, p. 325-347. Spiral J.; C. Thierry, M. Paillard et V. Petiard. 1993. Obtention de plantules de Coffea canephora Pierre (Robusta) transformées par Agrobacterium rhizogenes. Comp Rend Acad Sci Paris 316: 1-6. Sugiyama M.; C. Matsuoka and T. Takagi. 1995. Transformation of Coffea with Agrobacterium rhizogenes. Pp 853-859. In: Proceedings of the 16 th ASIC Colloquium, Kyoto, Japón. Tian L. and A. Seguin. 2004. Microprojectile particle effect on stable transformation of black spruce via bombardment. Plant Mol. Biol. Rep. 22: 199a-199f. Van Boxtel, J. 1994. Studies on genetic transformation of coffee by using electroporation and biolistic method. [ON LINE]: http://library.wur.nl/WebQuery/wda/lang?dissertatie/ nummer=1880. Van Boxtel J.; M. Berthouly, C. Carasco and A. Eskes. 1995. Transient Expresión of - Glucuronidase Following Biolistic Delivery of Foreign DNA into Coffee Tissues. Plant Cell Rep. 14: 748-752. Van Boxtel J. And M. Berthouly. 1996. High frecuency somatic embryogenesis from coffee leaves: Factors influencing embryogenesis and subsequent proliferation and regeneration in liquid medium. Plant Cell Tiss. Org. Cult. 44: 7-17. Van Boxtel J.; A. Eskes andM. Berthouly. 1997. Glufosinate as an efficient inhibitor of callus proliferation in coffee tissue. In Vitro Cell Dev Biol Plant 33: 6-12. Zamarripa A.; J. P. Ducos, H. Bollon, M. Dufour et V. Petiard. 1991. Production D' embryons somatiques de cafféier en milieu liquide: effets densité d' inoculation et renouvellement du milieu. Café Cacao Thé, 25: 233-244. 486 Revista UDO Agrícola 9 (3): 475-486. 2009
Character association in Chilli (Capsicum annuum L.) Asociación entre caracteres en pimentón (Capsicum annuum L.) Nayeema JABEEN 1 , Parvaze A. SOFI 2 and Shafiq A. WANI 2 1 Division of Olericulture, Sher-e-Kashmir University of Agricultural Sciences and Technology (SKUAST), Shalimar, 191121, India and 2 Directorate of Research, SKUAST, Shalimar, 191121, India. E-mail: phdpbg@yahoo.com Corresponding author Received: 01/29/2009 First reviewing ending: 03/08/2009 First review received: 09/04/2009 Accepted: 09/05/2009 ABSTRACT The present investigation was carried out in 2007-08 using 25 chilli genotypes to elucidate the association of various yield attributing traits to develop a reliable set of traits for indirect selection. The data were observed from five randomly selected competitive plants from each replication for eight quantitative traits. The genotypic coefficients were higher in the magnitudes relative to corresponding estimates of phenotypic coefficients, which indicated high heritability of the traits under study. The fruits yield/plant exhibited highly significant correlation with number of fruits/plant, number of branches/plant and height of the plant, indicating the usefulness of these traits for improving upon fruit yield in chilli. Path coefficient analysis revealed that the highest direct effect on fruit yield/plant was exerted by average fruit weight followed by number of fruits/plant, number of branches/plant and plant spread, while as highest indirect effect on fruit yield/plant was exerted by number of branches/plant through number of fruits/plant, fruit length and fruit breadth through average fruit weight and plant height through number of fruits/plant. These traits can be used to develop an optimally reliable selection index for realizing improvements in fruit yield in chilli. Key words: Chilli, character association, correlation, path analysis RESUMEN La presente investigación se llevó a cabo en 2007-2008 utilizando 25 genotipos de pimentón para dilucidar la asociación de diversos componentes del rendimiento para desarrollar un conjunto confiable de caracteres para la selección indirecta. Los datos se observaron en cinco plantas bajo competencia y seleccionadas al azar de cada replicación para ocho caracteres cuantitativos. Los coeficientes genotípicos fueron mayores en magnitud relativa en comparación con las estimaciones del coeficiente fenotípico, lo cual indica una alta heredabilidad de los caracteres bajo estudio. El rendimiento de frutos/planta exhibió una correlación altamente significativa con el número de frutos/planta, número de reamas/planta y altura, indicando la utilidad de estos caracteres para mejorar el rendimiento de frutos en pimentón. El análisis de los coeficientes de trayectoria reveló que el mayor efecto directo sobre el rendimiento de frutos/planta fue ejercido por el peso promedio del fruto seguido por el número de frutos/planta, número de reamas/planta y el dosel de la planta, mientras, mientras que los mayores efectos indirectos sobre el rendimiento de frutos/planta fue ejercido por el número de ramas/planta a través del número de frutos/planta, longitud del fruto y ancho del fruto a través del peso promedio del fruto y la altura de la planta a través del número de frutos/planta. Estos caracteres pueden ser usados para desarrollar un índice de selección óptimamente confiable para realizar mejoras en el rendimiento de frutos en pimentón. Palabras clave: Pimentón, asociación de caracteres, correlación, análisis de trayectoria. INTRODUCTION Chilli pepper (Capsicum annuum L.) is one of the most important spice crops of India and finds a variety of uses. India is the leading producer and exporter of chillies followed by China, Indonesia, Korea, Pakistan, Turkey, Sri Lanka, Nigeria, Ghana, Tunisia, Egypt, Mexico, the US, Yugoslavia, Spain, Romania, Bulgaria, Italy, Hungary, Argentina, Peru and Brazil. Andhra Pradesh leads the country both in acreage (49%) and production (49%). In J&K state, the chillies occupy an area of 2.812 h with a production of 12.423 t (Anonymous, 2006). Some chillies are used as colorants (capsanthin) while some are used for pungency (capsaicin). Paprika, also known as Hungarian pepper or pimento pepper, is a less pungent type of chillies or sweet red pepper type for grinding used as colorant attributed to the pigment Revista UDO Agrícola 9 (3): 487-490. 2009 487
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Agronomía. Propagación de Plantas
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