Search Results - "Carmencita C. Bernal"

Virulence of brown planthopper (Nilaparvata lugens) populations from South and South East Asia against resistant rice varieties by Horgan, Finbarr G., Ramal, Angelee Fame, Bentur, Jagadish S., Kumar, Ram, Bhanu, K. Vasanta, Sarao, Preetinder Singh, Iswanto, Eko Hari, Van Chien, Ho, Phyu, Moe Hnin, Bernal, Carmencita C., Almazan, Maria Liberty P., Alam, Mohammad Zahangeer, Lu, Zhongxian, Huang, Shou-Horng

“…This study examines the utility of resistant varieties and their associated resistance genes against brown planthopper, Nilaparvata lugens (Stål), populations…”
Get full text

Changes in reflectance of rice seedlings during planthopper feeding as detected by digital camera: Potential applications for high-throughput phenotyping by Horgan, Finbarr G, Jauregui, Artzai, Peñalver Cruz, Ainara, Crisol Martínez, Eduardo, Bernal, Carmencita C

“…Damage to grasses and cereals by phloem-feeding herbivores is manifest as nutrient and chlorophyll loss, desiccation, and a gradual decline in host vigour…”
Get full text

Heterosis for Interactions between Insect Herbivores and 3-Line Hybrid Rice under Low and High Soil Nitrogen Conditions by Horgan, Finbarr G, Bernal, Carmencita C, Ramal, Angelee Fame, Almazan, Maria Liberty P, Mundaca, Enrique A, Crisol-Martínez, Eduardo

“…Hybrid rice results from crossing a male-sterile line (the A line) with a pollen doner (the restorer or R line). In 3-line hybrid breeding systems, a fertile B…”
Get full text

Origins of Susceptibility to Insect Herbivores in High-Yielding Hybrid and Inbred Rice Genotypes by Horgan, Finbarr G, Almazan, Maria Liberty P, Bernal, Carmencita C, Dilla-Ermita, Christine Jade, Ardestani, Goli, Mundaca, Enrique A, Crisol-Martínez, Eduardo

“…Several studies have reported higher damage from insect herbivores to hybrid compared to inbred (pure line) rice. We used a collection of 20 hybrid and 12…”
Get full text

Heterosis for Resistance to Insect Herbivores in a 3-Line Hybrid Rice System by Horgan, Finbarr G, Bernal, Carmencita C, Ramal, Angelee F, Almazan, Maria Liberty P, Mundaca, Enrique A, Crisol-Martínez, Eduardo

“…Three-line hybrid rice is produced by crossing male sterile (A line) rice with a fertility-restorer (R line). Fertile lines (B lines) are also required to…”
Get full text

Nitrogenous Fertilizer Reduces Resistance but Enhances Tolerance to the Brown Planthopper in Fast-Growing, Moderately Resistant Rice by Horgan, Finbarr G., de Freitas, Thais Fernanda S., Crisol-Martínez, Eduardo, Mundaca, Enrique A., Bernal, Carmencita C.

“…The brown planthopper, Nilaparvata lugens (Stål), is a key challenge to rice production in Asia. Outbreaks of planthoppers are associated with excessive…”
Get full text

Effects of Vegetation Strips, Fertilizer Levels and Varietal Resistance on the Integrated Management of Arthropod Biodiversity in a Tropical Rice Ecosystem by Horgan, Finbarr G., Crisol Martínez, Eduardo, Stuart, Alexander M., Bernal, Carmencita C., de Cima Martín, Elena, Almazan, Maria Liberty P., Ramal, Angelee Fame

“…Integrated biodiversity management aims to conserve the beneficial species components of production ecosystems and reduce the impacts of pests. In 2011 and…”
Get full text

Adaptation by the Brown Planthopper to Resistant Rice: A Test of Female-Derived Virulence and the Role of Yeast-like Symbionts by Horgan, Finbarr G., Peñalver Cruz, Ainara, Arida, Arriza, Ferrater, Jedeliza B., Bernal, Carmencita C.

“…The adaptation by planthoppers to feed and develop on resistant rice is a challenge for pest management in Asia. We conducted a series of manipulative…”
Get full text

Planthopper “adaptation” to resistant rice varieties: Changes in amino acid composition over time by Chen, Yolanda H., Bernal, Carmencita C., Tan, Jing, Horgan, Finbarr G., Fitzgerald, Melissa A.

“…[Display omitted] ► We studied if treatment planthoppers varied in amino acid composition and growth. ► Planthopper AA composition changed over time,…”
Get full text

Microbiome responses during virulence adaptation by a phloem‐feeding insect to resistant near‐isogenic rice lines by Horgan, Finbarr G., Srinivasan, Thanga Suja, Crisol‐Martínez, Eduardo, Almazan, Maria Liberty P., Ramal, Angelee Fame, Oliva, Ricardo, Quibod, Ian L., Bernal, Carmencita C.

“…The microbiomes of phloem‐feeding insects include functional bacteria and yeasts essential for herbivore survival and development. Changes in microbiome…”
Get full text

Efficacy and Cost-Effectiveness of Phenotyping for Rice Resistance and Tolerance to Planthoppers by Horgan, Finbarr G., Mundaca, Enrique A., Quintana, Reyeul, Naredo, Alberto I., Almazan, Maria Liberty P., Bernal, Carmencita C.

“…The standard seedling seedbox test (SSST) is the most prevalent phenotyping test in research on the genetics and breeding of planthopper-resistant rice. Using…”
Get full text

Direct and Indirect Effects of Planting Density, Nitrogenous Fertilizer and Host Plant Resistance on Rice Herbivores and Their Natural Enemies by Horgan, Finbarr G., Crisol-Martínez, Eduardo, Stuart, Alexander M., Villegas, James M., Peñalver-Cruz, Ainara, Mundaca, Enrique A., Perez, Marivic O., Bernal, Carmencita C., Almazan, Maria Liberty P., Ramal, Angelee F.

“…In rice ecosystems, seeding densities can be adjusted to compensate for lower nitrogen levels that reduce GHG emissions, or to increase farm profitability…”
Get full text

Interactions between nymphs of Nilaparvata lugens and Sogatella furcifera (Hemiptera: Delphacidae) on resistant and susceptible rice varieties by Srinivasan, Thanga Suja, Maria Liberty P. Almazan, Carmencita C. Bernal, Angelee Fame Ramal, Mohan Kumar Subbarayalu, Finbarr G. Horgan

“…The planthoppers Nilaparvata lugens (StÃ¥l) and Sogatella furcifera (Horváth) co-occur on rice Oryza sativa L., throughout much of Asia. Nilaparvata lugens is…”
Get full text

Geographic and Research Center Origins of Rice Resistance to Asian Planthoppers and Leafhoppers: Implications for Rice Breeding and Gene Deployment by Horgan, Finbarr G, Srinivasan, Thanga Suja, Bentur, Jagadish S, Kumar, Ram, Bhanu, K Vasanta, Sarao, Preetinder Singh, Chien, Ho Van, Almazan, Maria Liberty P, Bernal, Carmencita C, Ramal, Angelee Fame, Ferrater, Jedeliza B, Huang, Shou-Horng

“…This study examines aspects of virulence to resistant rice varieties among planthoppers and leafhoppers. Using a series of resistant varieties, brown…”
Get full text

Stem borers revisited: Host resistance, tolerance, and vulnerability determine levels of field damage from a complex of Asian rice stemborers by Horgan, Finbarr G., Romena, Angelita M., Bernal, Carmencita C., Almazan, Maria Liberty P., Ramal, Angelee Fame

“…Yield losses from rice stem borers depend on the nature of the rice variety, the timing of attack, and the composition of the stem borer species assemblage…”
Get full text

Resistance and tolerance to the brown planthopper, Nilaparvata lugens (Stål), in rice infested at different growth stages across a gradient of nitrogen applications by Horgan, Finbarr G., Peñalver Cruz, Ainara, Bernal, Carmencita C., Ramal, Angelee Fame, Almazan, Maria Liberty P., Wilby, Andrew

“…•IR62 planthopper resistance increased but tolerance decreased from pre- to late-tillering stages.•Planthopper tolerance in the susceptible IR22 increased from…”
Get full text

Differences Between the Strength of Preference–Performance Coupling in Two Rice Stemborers (Lepidoptera: Pyralidae, Crambidae) Promotes Coexistence at Field-Plot Scales by Horgan, Finbarr G., Romena, Angelita M., Bernal, Carmencita C., Almazan, Maria Liberty P., Ramal, Angelee Fame

“…Two stem-boring moths, the yellow stemborer (YSB) Scirpophaga incertulas (Walker), and the striped stemborer (SSB), Chilo suppressalis (Walker), damage rice in…”
Get full text

Unanticipated benefits and potential ecological costs associated with pyramiding leafhopper resistance loci in rice by Horgan, Finbarr G., Almazan, Maria-Liberty P., Vu, Quynh, Ramal, Angelee Fame, Bernal, Carmencita C., Yasui, Hideshi, Fujita, Daisuke

“…We tested the hypotheses that increasing the number of anti-herbivore resistance loci in crop plants will increase resistance strength, increase the spectrum…”
Get full text

Effects of nitrogen on egg-laying inhibition and ovicidal response in planthopper-resistant rice varieties by Horgan, Finbarr G., Srinivasan, Thanga Suja, Naik, Bhaskar S., Ramal, Angelee Fame, Bernal, Carmencita C., Almazan, Maria Liberty P.

“…A series of experiments was set up to examine the effects of nitrogen on rice (Oryza sativa L.) resistance against Nilaparvata lugens (Stål) and Sogatella…”
Get full text

Virulence adaptation in a rice leafhopper: Exposure to ineffective genes compromises pyramided resistance by Horgan, Finbarr G., Bernal, Carmencita C., Vu, Quynh, Almazan, Maria Liberty P., Ramal, Angelee Fame, Yasui, Hideshi, Fujita, Daisuke

“…Pyramiding resistance genes is predicted to increase the durability of resistant rice varieties against phloem-feeding herbivores. We examined responses by the…”
Get full text