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Dive into the research topics where Leocadio S. Sebastian is active.

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Featured researches published by Leocadio S. Sebastian.


International Journal of Pest Management | 2007

The rodent species of the Ifugao Rice Terraces, Philippines – target or non-target species for management?

Alexander M. Stuart; Colin V. Prescott; Grant R. Singleton; Ravindra C. Joshi; Leocadio S. Sebastian

Abstract We investigated the species diversity and habitat use of rodents in the Ifugao Rice Terraces (IRT), Luzon, Philippines, as a first step in their assessment either as pest species of rice or as potential non-target species of rodent control practice. Trapping was carried out in caneland and forest habitats adjacent to rice cropland using trap lines of 10 – 15 cage-traps. Four trapping rounds, each consisting of 5 nights trapping, were replicated at two sites during the months of May and June. A diverse rodent fauna was recorded, including the non-native pest species, Rattus tanezumi, and the native species, Rattus everetti and Chrotomys mindorensis. Results from trapping and spool-and-line tracking suggested that these native species do not contribute to rice damage and that several may actually be beneficial in the ricefield ecosystem as vermivores that feed on invertebrate pests. Control should therefore be directed at the pest species, R. tanezumi, minimising non-target effects on the non-pest rodent species.


Euphytica | 2002

Genetic diversity in the parental lines and heterosis of the tropical rice hybrids

Weijun Xu; S. S. Virmani; Jose E. Hernandez; Leocadio S. Sebastian; Edilberto D. Redona; Zhikang Li


Crop Protection | 2008

Efficacy of quinoa (Chenopodium quinoa) saponins against golden apple snail (Pomacea canaliculata) in the Philippines under laboratory conditions

Ravindra C. Joshi; Ricardo San Martín; César Sáez-Navarrete; John Alarcón; Javier Sainz; Mina M. Antolin; Antonio R. Martin; Leocadio S. Sebastian


Archive | 2010

Developmental modules defining the shape of the forewing of Scotinophara coarctata

Mark Anthony; J. Torres; Liza A. Adamat; Muhmin Michael; E. Manting; Sharon Rose; M. Tabugo; Ravindra C. Joshi; Leocadio S. Sebastian; Cesar G. Demayo


Egyptian Academic Journal of Biological Sciences. A, Entomology | 2011

Geometric Morphometric Analysis of the Head, Pronotum and Genitalia of the Rice Black Bug Associated with Selected Rice Types

Lessie Mae; Dela Cruz; Mark Anthony; J. Torres; Alberto Barrion; Ravindra C. Joshi; Leocadio S. Sebastian; Cesar G. Demayo; Nueva Ecija


Archive | 2011

Intra- and Inter-Population Variability in the Golden Apple Snail Pomacea canaliculata

Anthony J. Torres; Lou Rhys; T. Amarillo; Ravindra C. Joshi; Leocadio S. Sebastian; Cesar G. Demayo; Lanao del Norte; Nueva Ecija


Egyptian Academic Journal of Biological Sciences. A, Entomology | 2010

Systematic relationships of rice black bugs, Scotinophara spp. inferred using nonmetric multidimensional scaling technique and parsimony analysis

Mark Anthony J. Torres; Alberto Barrion; Ravindra C. Joshi; Leocadio S. Sebastian; Adelina Barrion; Aimee-Lyn Barrion-Dupo; Cesar G. Demayo


Egyptian Academic Journal of Biological Sciences. A, Entomology | 2010

Mark Anthony J. Torres1, Liza A. Adamat1, Muhmin Michael E. Manting1, Sharon Rose M. Tabugo1, Ravindra C. Joshi2, Leocadio Sebastian2,Alberto T. Barrion2 and Cesar G. Demayo1*

Mark Anthony J. Torres; Liza A. Adamat; Muhmin Michael E. Manting; Sharon Tabugo; Ravindra C. Joshi; Leocadio S. Sebastian; Alberto Barrion; Cesar G. Demayo


Philippine Journal of Biotechnology | 2009

Cloning of Rice Tungro Bacilliform Virus (RTBV) Coat Protein (CP) Gene

Ma. Gina V. Maramara; Gabriel O. Romero; Leocadio S. Sebastian; Narceo B. Bajet


Rice genetic resources and breeding for Europe and other temperate areas : proceedings of Eurorice 2001 Symposium, Cirad, Ird, Ksau, Krasnodar Territory, Vniirisa, September, 3-8, 2001, Krasnodar, Russia | 2002

Rice molecular breeding at PhilRice

Rhodora R. Aldemita; Gabriel O. Romero; Nenita V. Desamero; Edilberto D. Redona; Rodante E. Tabien; Renando R. Solis; Leocadio S. Sebastian; Santiago R. Obien

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Ravindra C. Joshi

Philippine Rice Research Institute

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Cesar G. Demayo

International Rice Research Institute

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Edilberto D. Redona

Philippine Rice Research Institute

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Mark Anthony J. Torres

Mindanao State University – Iligan Institute of Technology

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Adelina Barrion

University of the Philippines Los Baños

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Grant R. Singleton

International Rice Research Institute

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Jose E. Hernandez

University of the Philippines

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Muhmin Michael E. Manting

Mindanao State University – Iligan Institute of Technology

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