Academic profile

Education

• Dr. sc. agr. (Magna cum laude), Universität Hohenheim, Stuttgart, Germany, 2000 (Agricultural Sciences)
• M.Sc. (hon.), Universidad de Costa Rica, 1995 (Plant Biotechnology)
• B.Sc. (hon.), Universidad de Costa Rica, 1990 (Plant Sciences)

Professional experience

• 2006-to date         Full Professor (Univ. Costa Rica)
• 2017-2021            Deputy Director of the Seed and Grain Research Center  (Univ. Costa Rica)
• 2013-2021            Director of the Institute for Research in Agriculture (Univ. Costa Rica)
  
• 2012-2013            Visiting professor (Univ. Hohenheim)
• 2009-2019            Regional coordinator of the Food Security Center of the University of Hohenheim for Latin America
• 2006-2007            Georg Forster Fellow, Alexander von Humboldt Foundation, Germany (Univ. Hohenheim)
• 2002-2006            Associate Professor (Univ. Costa Rica)
• 2002                     Assistant Professor (Univ. Costa Rica)
  
• 2000-2002            Guest Professor (Univ. Costa Rica)
  
• 1991-1995            Instructor (Univ. Costa Rica)

Awards and honors

Publications

Publications

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2023

• Steingass CB, Burkhardt J, Bäumer V, Kumar K, Mibus-Schoppe H, Zinkernagel J, Esquivel P, Jiménez VM, Schweiggert R (2023) Characterization of acylated anthocyanins from red cabbage, purple sweet potato, and Tradescantia pallida leaves as natural food colorants by HPLC-DAD-ESI(+)-MSn analysis. Food Chemistry, 413: 135601 - https://doi.org/10.1016/j.foodchem.2023.135601
  

• Warner J, Pöhnl T, Steingass CB, Bogarín D, Carle R, Jiménez VM (2022) Pectins, hemicellulose and lignocellulose profiles vary in leaves among different aromatic Vanilla species (Orchidaceae). Carbohydrate Polymer Technologies and Applications, 5: 100289 - https://doi.org/10.1016/j.carpta.2023.100289
  

2022

• Jiménez VM, Chacón-Ordóñez T, Esquivel P (2022) Mamey sapote (Pouteria sapota Jacq.). In: Sivakumar D, Netzel M, Sultanbawa Y (eds) Handbook of Phytonutrients in Indigenous Fruits and Vegetables. CAB International, pp. 455-469 - https://doi.org/10.1079/9781789248067.0031

• Campos-Boza S, Vinas M, Solórzano-Cascante P, Holst A, Steinmacher DA, Guerra MP, Jiménez VM (2022) Somatic embryogenesis and plant regeneration from transverse thin cell layers of adult peach palm (Bactris gasipaes) lateral offshoots. Frontiers in Plant Science 13: 995307 - https://doi.org/10.3389/fpls.2022.995307

• Viñas M, Jiménez VM, Barboza-Barquero L (2022) 50 aniversario del Centro para Investigaciones en Granos y Semillas (CIGRAS): Historia y aportes en investigación, docencia y acción social. Agronomía Mesoamericana 33, 52364

• Acuña-Gutiérrez C, Jiménez VM, Müller J (2022) Occurrence of mycotoxins in pulses. Comprehensive Reviews in Food Science and Food Safety 21: 4002-4017

• Montoya-Arroyo A, Toro-González C, Sus N, Warner J, Esquivel P, Jiménez VM, Frank J (2022) Vitamin E and carotenoid profiles in leaves, stems, petioles and flowers of stinging nettle (Urtica leptophylla Kunth) from Costa Rica. Journal of the Science of Food and Agriculture 102:6340-6348

• Yue J, VanBuren R, Liu J, Fang J, Zhang X, Liao Z, Wai CM, Xu X, Chen S, Zhang S, Ma X, Ma Y, Yu H, Lin J, Zhou P, Huang Y, Deng B, Deng F, Zhao X, Yan H, Fatima M, Zerpa-Catanho D, Zhang X, Lin Z, Yang M, Chen NJ, Mora-Newcomer E, Quesada-Rojas P, Bogantes A, Jiménez VM, Tang H, Zhang J, Wang M-L, Paull RE, Yu Q, Ming R (2022) SunUp and Sunset genomes revealed impact of particle bombardment mediated transformation and domestication history in papaya. Nature Genetics 54: 715-724

• Esquivel P, Usaga J, Schweiggert R, Steingass CB, Jiménez VM (2022) Effect of processing on biofunctionality of selected tropical fruit juices. ACS Food Science & Technology 2: 455-473

• Montoya-Arroyo A, Lehnert K, Lux PE, Jiménez VM, Esquivel P, Silva-Benavides AM, Vetter W, Frank J (2022) 11’-α-Tocomonoenol is the major α-tocomonoenol isomer in cyanobacteria and microalgae from Costa Rica. Journal of Food Composition and Analysis 107: 104325

2021

• Carvajal-Campos P, Jiménez VM (2021) Ingeniería genética en cultivos neotropicales contra estrés abiótico: osmolitos, factores de transcripción y CRISPR/Cas9. Revista Colombiana de Biotecnología 23(2): 47-66

• Jiménez VM, Holst A, Carvajal-Campos P, Guevara E (2021) Standard protocols for in vitro propagation of bamboo with emphasis on axillary shoot proliferation. In: Ahmad Z, Ding Y, Shahzad A (eds.) Biotechnological Advances in Bamboo. Springer, Singapore, pp. 63-84.

• Acuña-Gutiérrez C, Schock S, Jiménez VM, Müller J (2021) Detecting fumonisin B₁ in black beans (Phaseolus vulgaris) by near-infrared spectroscopy (NIRS). Food Control 130: 108335

• Montoya-Arroyo A, Alfaro-Solís JD, Esquivel P, Jiménez VM, Frank J (2021) Vitamin E profiles in Acrocomia aculeata from three regions in Costa Rica. Journal of Food Composition and Analysis, 100: 103936

2020

• Esquivel P, Viñas M, Steingass CB, Gruschwitz M, Guevara E, Carle, R, Schweiggert RM, Jiménez VM (2020) Coffee (Coffea arabica L.) by-products as a source of carotenoids and phenolic compounds – evaluation of varieties with different peel color. Frontiers in Sustainable Food Systems 4: 590597

• Erşan S, Berning JC, Esquivel P, Jiménez VM, Carle R, May B, Schweiggert R, Steingass CB (2020) Phytochemical and mineral composition of fruits and seeds of wild-growing Bactris guineensis (L.) H.E. Moore palms from Costa Rica. Journal of Food Composition and Analysis 94: 103611

• Jiménez VM, Gutiérrez-Soto MV, Barboza-Barquero L, Guevara E (2020) Taxonomy, botany and plant development. In: Mitra S (ed) The Papaya: Botany, Production and Uses. CAB International, pp. 24-36.

• Alfaro-Solís JD, Montoya-Arroyo A, Jiménez VM, Arnáez-Serrano E, Pérez J, Vetter W, Frank J, Lewandowski I (2020) Acrocomia aculeata fruits from three regions in Costa Rica: an assessment of biometric parameters, oil content and oil fatty acid composition to evaluate industrial potential. Agroforestry Systems 94: 1913-1927

• Vinas M, Mendez JC, Jiménez VM (2020) Effect of foliar applications of phosphites on growth, nutritional status and defense responses in tomato plants. Scientia Horticulturae 265: 109200

2019

• Acuña-Gutiérrez C, Campos-Boza S, Hernández-Pridybailo A, Jiménez VM (2019) Nutritional and industrial relevance of particular Neotropical pseudo-cereals. In: Piatti C, Graeff-Hönninger S, Khajehei F (eds) Food Tech Transitions. Springer, Cham, pp 65-79.

• Esquivel P, Jiménez VM (2019) Valuable compounds in coffee by-products. In FJ Barba, E Roselló-Soto, M Brnčić, JM Lorenzo (eds.). Green extraction and valorization of by-products from food processing. Boca Raton, FL, CRC Press, pp. 277-292.

• Zerpa-Catanho D, Hernández-Pridybailo A, Madrigal-Ortiz V, Zúñiga-Centeno A, Porras-Martínez C, Jiménez VM, Barboza-Barquero L (2019) Seed germination of pitaya (Hylocereus spp.) as affected by seed extraction method, storage, germination conditions, germination assessment approach and water potential. Journal of Crop Improvement 33: 372-394

• Lieb VM, Schex R, Esquivel P, Jiménez VM, Schmarr H-G, Carle R, Steingass CB (2019) Fatty acids and triacylglycerols in the mesocarp and kernel oils of maturing Costa Rican Acrocomia aculeata fruits. NFS Journal 14-15: 6-13

• Esquivel P, Schweiggert RM, Chacón-Ordóñez T, Steingass CB, Carle R, Jiménez VM (2019) Carotenoid assembly in fruits and vegetables. In AZ Mercadante (ed.). Carotenoid Esters in Foods: Physical, Chemical and Biological Properties. UK, The Royal Society of Chemistry, pp. 51-67.

2018

• Solórzano-Cascante P, Sánchez-Chiang N, Jiménez VM (2018) Explant type, culture system, 6-benzyladenine, meta-topolin and encapsulation affect indirect somatic embryogenesis and regeneration in Carica papaya L. Frontiers in Plant Science 9: 1769

• Irías-Mata A, Jiménez VM, Steingass CB, Schweiggert RM, Carle R, Esquivel P (2018) Carotenoids and xanthophyll esters of yellow and red nance fruits (Byrsonima crassifolia (L.) Kunth) from Costa Rica. Food Research International 111: 708-714

• Sandhu M, Wani SH, Jiménez VM (2018) In vitro propagation of bamboo species through axillary shoot proliferation: a review. Plant Cell, Tissue and Organ Culture 132: 27-53

• Schex R, Lieb VM, Jiménez VM, Esquivel P, Schweiggert RM, Carle R, Steingass CB (2018) HPLC-DAD-APCI/ESI-MSⁿ analysis of carotenoids and α-tocopherol in Costa Rican Acrocomia aculeata fruits of varying maturity stages. Food Research International 105: 645-653

2017

• Jiménez VM, Acuña-Gutiérrez C, Agüero M, Alvarado A, Ávila-Agüero ML, Blanco M, Dumani M, Esquivel P, Gatica-Arias A, Guevara E, Hernández-Pridybailo A, Hernández R, Holst A, Madriz K, Mata-Segreda JF, Quirós-Madrigal O, Radulovich R, Salas-Chaves A, Solórzano-Cascante P (2017) Costa Rica and its commitment to sustainability. In Challenges for food and nutrition security in the Americas. Inter-American Network of Academies of Sciences (IANAS).

• Esquivel P, Jiménez VM, Chacón-Ordóñez T, Hempel J, Schweiggert RM, Carle R (2017) Formas de deposición de carotenoides en alimentos vegetales y sus posibles implicaciones en su bioaccesibilidad y biodisponibilidad. In AJ Meléndez-Martínez (ed.). Carotenoides en agroalimentación y salud. México, Editorial Terracota, pp. 557-573.

• Lieb VM, Kerfers MR, Kronmüller A, Esquivel P, Alvarado A, Jiménez VM, Schmarr H-G, Carle R, Schweiggert RM, Steingass CB (2017) Characterization of mesocarp and kernel lipids from Elaeis guineensis Jacq., Elaeis oleifera (Kunth) Cortés, and their interspecific hybrids. Journal of Agricultural and Food Chemistry 65: 3617–3626

• Chacón-Ordóñez T, Schweiggert RM, Bosy-Westphal A, Jiménez VM, Carle R, Esquivel P (2017) Carotenoids and carotenoid esters of orange- and yellow-fleshed mamey sapote (Pouteria sapota (Jacq.) H.E. Moore & Stearn) fruit and their post prandial absorption in humans. Food Chemistry 221: 673-682
  

• Zerpa-Catanho D, Esquivel P, Mora-Newcomer E, Sáenz MV, Herrera R, Jiménez VM (2017) Transcription analysis of softening-related genes during postharvest of papaya fruit (Carica papaya L. 'Pococí' hybrid). Postharvest Biology and Technology 125: 42-51

2016

• Viñas M, Jiménez VM (2016) Occurrence and characterisation of calcium oxalate crystals in stems and fruits of Hylocereus costaricensis and Selenicereus megalanthus (Cactaceae: Hylocereeae). Micron 89: 21-27

• Chacón-Ordóñez T, Esquivel P, Jiménez VM, Carle R, Schweiggert RM (2016) Deposition form and bioaccessibility of keto-carotenoids from mamey sapote (Pouteria sapota), red bell pepper (Capsicum annuum), and sockeye salmon (Oncorhynchus nerka) filet. Journal of Agricultural and Food Chemistry 64: 1989-1998

• Schweiggert RM, Vargas E, Conrad J, Hempel J, Gras C, Ziegler JU, Mayer A, Jiménez VM, Esquivel P, Carle R (2016) Carotenoids, carotenoid esters, and anthocyanins of yellow-, orange-, and red-peeled cashew apples (Anacardium occidentale L.). Food Chemistry 200: 274-282

• Steinmacher DA, Heringer AS, Jiménez VM, Quoirin MGG, Guerra MP (2016) Somatic embryogenesis in peach-palm (Bactris gasipaes) using different explant sources. In MA Germanà, M Lambardi (eds.). In Vitro Embryogenesis in Higher Plants, Methods in Molecular Biology, vol. 1359. New York, Springer, pp. 279-288
  

2015

• Solís CA, Jiménez VM, Arias J (2015) Propagación asexual de azul de mata (Justicia tinctoria (Oerst.) D.N. Gibson, Fam. Acanthaceae) por medio de estacas. Agronomía Costarricense 39: 91-103
  

• Montero-Carmona W, Jiménez VM (2015) Vanilla protoplasts: isolation and electrofusion. In Emerging Innovations in Agriculture: From Theory to Practice. Ed. by A Rakshit. Athens, Greece, Atiner, pp. 15-29.

• Jiménez VM (2015) Papaya. In Yearbook of Science & Technology. McGraw-Hill Education, pp. 228-229

2014

• Hempel, J, Amrehn, E, Quesada S, Esquivel P, Jiménez V.M., Heller, A, Carle, R, Schweiggert RM (2014) Lipid-dissolved γ-carotene, β-carotene, and lycopene in globular chromoplasts of peach palm (Bactris gasipaes Kunth) fruits. Planta 240: 1037-1050

• Jiménez VM, Gruschwitz M, Schweiggert RM, Carle R, Esquivel P (2014) Identification of phenolic compounds in soursop (Annona muricata) pulp by high-performance liquid chromatography with diode array and electrospray ionization mass spectrometric detection. Food Research International 65A: 42-46

• Heringer AS, Steinmacher DA, Fraga HPF, Vieira LN, Montagna T, Quinga LAP, Quoirin MGG, Jiménez VM, Guerra MP (2014) Improved high-efficiency protocol for somatic embryogenesis in peach palm (Bactris gasipaes Kunth) using RITA® temporary immersion system. Scientia Horticulturae 179: 284–292

• Jiménez VM, Mora E, Gutiérrez-Soto MV (2014) Biology of the papaya plant. In R Ming and PH Moore (eds.). Genetics and Genomics of Papaya. New York, Springer, pp. 17-33

2013

• Steinmacher DA, Jiménez VM, Guerra MP (2013) Somatic embryogenesis and plant regeneration in peach palm (Bactris gasipaes Kunth). In J Aslam, PS Srivastava, MP Sharma (eds.). Somatic Embryogenesis and Genetic Transformation in Plants. New Delhi, Narosa Publishing House, pp. 75-95.

2012

• Viñas M, Fernández-Brenes M, Azofeifa A, Jiménez VM (2012) In vitro propagation of purple pitahaya (Hylocereus costaricensis [F.A.C.Weber] Britton & Rose) cv. Cebra. In Vitro Cellular and Developmental Biology – Plant 48: 469-477

• Guevara E, Jiménez VM, Bangerth F (2012) Response of endogenous hormone concentrations to two floral inductive treatments, viz. KNO₃ and PBZ, in mango cv. ‘Tommy Atkins’ growing under tropical conditions. Tropical Plant Biology 5: 253-260

• Esquivel P, Jiménez VM (2012) Functional properties of coffee and coffee by-products. Food Research International 46: 488-495
  

• Engels C, Gräter D, Esquivel P, Jiménez VM, Gänzle MG, Schieber A (2012) Characterization of phenolic compounds in jocote (Spondias purpurea L.) peels by ultra high-performance liquid chromatography/electrospray ionization mass spectrometry. Food Research International 46: 557-562

2011

• Viñas M, Jiménez VM (2011) Factores que influyen en la embriogénesis somática in vitro de palmas (Arecaceae). Revista Colombiana de Biotecnología 13: 229-242

• Jiménez VM, Guevara E, Masís S (2011) Effect of macronutrients and sucrose concentration on in vitro growth of Drosera capensis L. (Droseraceae) plants, and evaluation of six substrates for acclimatization. Propagation of Ornamental Plants 11: 34-39

• Gómez-Zeledón J, Jiménez VM (2011)  Producción  in  vitro de antocianinas – revisión.  Acta Biológica Colombiana 16:3-20

2010

• Sánchez-Chiang N, Jiménez VM (2010) Técnicas de conservación in vitro para el establecimiento de bancos de germoplasma en cultivos. Agronomía Mesoamericana 21: 193-205

2009

• Montero-Carmona W, Jiménez VM (2009)  Identificación y  selección de  híbridos somáticos  obtenidos mediante fusión de protoplastos. Biotecnología Vegetal (Cuba) 9: 67-90

• Montero-Carmona W, Jiménez VM (2009)  Floración in vitro – revisión  de literatura. Biotecnología Vegetal (Cuba) 9: 3-18

• Sánchez-Chiang N, Jiménez VM (2009) Técnicas moleculares para la detección de variantes somaclonales. Agronomía Mesoamericana 20: 135-151

2008

• Jiménez VM, Guevara E, Herrera J, Alizaga R, Bangerth F (2008) Changes in hormone concentrations during dormancy release of oil palm (Elaeis guineensis) seeds. Seed Science & Technology 36: 575-587

• Azofeifa A, Guevara E, Jiménez VM (2008) Uso de abonos foliares comerciales en la elaboración de medios de cultivo in vitro. Agronomía Costarricense 32: 149-160

• Muñoz M, Jiménez VM (2008) Capsule development, in vitro germination and plantlet acclimatization in Phragmipedium humboldtii, P. longifolium and P. pearcei.  Lankesteriana 8: 23-31

• Guevara E, Jiménez VM, Herrera J, Bangerth F (2008) Effect of hydrogen cyanamide on the endogenous hormonal content of pea seedlings (Pisum sativum L.). Brazilian Journal of Plant Physiology 20: 159-163

2007

• Jiménez VM, Guevara E (2007) Micropropagation of bamboo species through axillary shoot proliferation.  In S.M. Jain and H. Häggman (eds.).  Protocols for Micropropagation of Woody Trees and Fruits.  Dordrecht, Springer Verlag, pp. 465-476

2006

• Montiel M, Guevara E, Jiménez VM (2006) Ultraestructura del bambú Guadua macclurei (Poaceae: Bambusoideae) de Costa Rica.  Revista de Biología Tropical 54 (Suppl.2): 35-42

• Montiel M, Guevara E, Jiménez VM (2006) Ultraestructura del bambú Guadua paniculata (Poaceae: Bambusoideae) de Costa Rica.  Revista de Biología Tropical 54 (Suppl.2):29-34

• Montiel M, Jiménez VM, Guevara E (2006) Ultraestructura del bambú Guadua amplexifolia (Poaceae: Bambusoideae), presente en Costa Rica.  Revista de Biología Tropical 54 (Suppl.2):21-28

• Montiel M, Jiménez VM, Guevara E (2006) Ultraestructura del bambú Guadua angustifolia var. bicolor (Poaceae: Bambusoideae), presente en Costa Rica. Revista de Biología Tropical 54 (Suppl.2): 13-19

• Montiel M, Jiménez VM, Guevara E (2006) Caracterización anatómica ultraestructural de las variantes “Atlántica”, “Sur” y “Cebolla” del bambú, Guadua angustifolia (Poaceae: Bambusoideae) en Costa Rica.  Revista de Biología Tropical 54 (Suppl.2):1-12

• Guevara E, Jiménez VM (2006) Producción de frutos y senescencia.  In E. Villalobos (ed.).  Fisiología de la Producción de los Cultivos Tropicales.  Fascículo 5: La reproducción de las plantas.  Editorial de la Universidad de Costa Rica.  pp. 35-84.  ISBN 9977-67-994-0.

• Guevara E, Jiménez VM (2006) La floración.  In E. Villalobos (ed.).  Fisiología de la Producción de los Cultivos Tropicales.  Fascículo 5: La reproducción de las plantas.  Editorial de la Universidad de Costa Rica.  pp. 1-34.  ISBN 9977-67-994-0.

• Guevara E, Jiménez VM (2006) Regulación hormonal del desarrollo de las plantas.  In E. Villalobos (ed.).  Fisiología de la Producción de los Cultivos Tropicales.  Fascículo I. Germinación y Crecimiento de la planta.  Editorial de la Universidad de Costa Rica.  pp. 49-108.  ISBN 9977-67-996-7.

• Jiménez VM, Castillo J, Tavares E, Guevara E, Montiel M (2006) In vitro propagation of the neotropical giant bamboo, Guadua angustifolia Kunth, through axillary shoot proliferation.  Plant Cell, Tissue and Organ Culture 86: 389-395

2005

• Thomas C, Jiménez VM (2005) Mode of action of plant hormones and plant growth regulators during induction of somatic embryogenesis: molecular aspects.  In A. Mujib and J. Šamaj (eds.).  Somatic Embryogenesis.  Plant Cell Monographs.  Heidelberg, Springer Verlag. v. 2, pp. 157-175

• Jiménez VM, Thomas C (2005) Participation of plant hormones in determination and progression of somatic embryogenesis.  In A. Mujib and J. Šamaj (eds.).  Somatic Embryogenesis.  Plant Cell Monographs.  Heidelberg, Springer Verlag. v. 2, pp. 103-118

• Jiménez VM (2005) Involvement of plant hormones and plant growth regulators on in vitro somatic embryogenesis.  Plant Growth Regulation 47: 91-110

• Jiménez VM, Guevara E, Herrera J, Bangerth F (2005) Evolution of endogenous hormone concentration in embryogenic cultures of carrot during early expression of somatic embryogenesis.  Plant Cell Reports 23: 567-572

2004

• Jadán M, Guevara E, Jiménez VM (2004) Efecto de concentraciones enzimáticas y tiempos de digestión en el aislamiento de protoplastos a partir de callos y cultivos en suspensión de dos cultivares de naranja dulce (Citrus sinensis Osb.).  Revista de Agricultura Tropical 34: 41‑51

2001

• Jiménez VM (2001) Regulation of in vitro somatic embryogenesis with emphasis on the role of endogenous hormones.  Revista Brasileira de Fisiologia Vegetal 13: 196-223

• Jiménez VM, Bangerth F (2001) Endogenous hormone concentrations and embryogenic callus development in wheat.  Plant Cell, Tissue and Organ Culture 67: 37-46

• Jiménez VM, Bangerth F (2001) In vitro culture and endogenous hormone levels in immature zygotic embryos, endosperm and callus cultures of normal and high-lysine barley genotypes.  Journal of Applied Botany 75: 1-7

• Jiménez VM, Bangerth F (2001) Endogenous hormone levels in explants and in embryogenic and non-embryogenic cultures of carrot.  Physiologia Plantarum 111: 389-395

• Jiménez VM, Bangerth F (2001) Hormonal status of maize initial explants and of the embryogenic and non-embryogenic callus cultures derived from them as related to morphogenesis in vitro.  Plant Science 160: 247-257

• Jiménez VM, Guevara E, Herrera J, Bangerth F (2001) Endogenous hormone levels in habituated nucellar Citrus callus during the initial stages of regeneration.  Plant Cell Reports 20: 92-100

2000

• Jiménez VM, Bangerth F (2000) Relationship between endogenous hormone levels in grapevine callus cultures and their morphogenetic behaviour.  Vitis 39: 151-157

• Jiménez VM (2000) Endogenous hormone levels in wheat, maize, barley, carrot, grapevine, and Citrus tissues, and the relationship to their in vitro somatic embryogenesis.  PhD Thesis.  Stuttgart, Germany, Verlag Grauer.  173 p.

1998

• Guevara E, Jiménez VM (1998) Principios y aplicaciones de la fisiología vegetal: manual de laboratorio.  San José, C.R., Editorial de la Universidad de Costa Rica.  225 p.

1997

• Pfenning J, Ebert AW, Jiménez VM, Bangerth F (1997) Endogenous hormonal status of embryogenic callus in cocos (Cocos nucifera L.) explants.  Acta Horticulturae No.463:127-133

1996

• Jiménez VM (1996) El cultivo de protoplastos en cítricos y su potencial para el mejoramiento genético.  Agronomía Costarricense 20: 187-204

• Jiménez VM, Guevara E (1996) Propagación in vitro de Phalaenopsis (Orchidaceae) mediante el cultivo de seccion es de ejes florales después de la senescencia de las flores.  Agronomía Costarricense 20: 75-79

• Jiménez VM, Guevara E (1996) Regeneración in vitro mediante embriogénesis somática de variedades de cítricos.  II.  Efecto del "plateo" de suspensiones celulares en medio de cultivo con diferentes carbohidratos sobre la inducción de embriones.  Agronomía Costarricense 20: 9-16

1995

• Jiménez VM, Guevara E (1995) Regeneración in vitro mediante embriogénesis somática de variedades de cítricos.  I.  Obtención de callo friable y suspensiones celulares de naranja dulce (Citrus sinensis) y naranja agria (Citrus aurantium) cultivadas en Costa Rica.  Agronomía Costarricense 19: 7-18

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