Red rice (Oryza satlva L ) has been a serious problem in rice fields for hundreds of years and even now no effective control measure exist. In this study, new approaches were evaluated. Flooding for two weeks prior to seeding IR-22 eliminated 99 percent of the tall variety Bluebonnet 50, which ha...
Cheaney, Robert L.
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López, Rodrigo L.
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Doll, Jerry D.
,
[Algunos métodos promisorios para el control de arroz rojo y arroz espontáneo de variedades indeseables]
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Algunos métodos promisorios para el control de arroz rojo y arroz espontáneo de variedades indeseables
Flor Montoya, Carlos A.
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Cheaney, Robert L.
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Sánchez Neira, Pedro
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[O problema da deficiência do zinco no arroz]
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O problema da deficiência do zinco no arroz
Heinemann, Alexandre B.
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Ramírez Villegas, Julián
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Rebolledo, María Camila
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Costa Neto, Germano Martins F.
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Pereira Castro, Adriano
,
[Upland rice breeding led to increased drought sensitivity in Brazil]
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Upland rice breeding led to increased drought sensitivity in Brazil
Rice is the most important food crop in the developing world. For rice production systems to address the challenges of increasing demand and climate change, potential and on-farm yield increases must be increased. Breeding is one of the main strategies toward such aim. Here, we hypothesise that c...
Ramírez Villegas, Julián
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Heinemann, Alexandre B.
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Pereira de Castro, Adriano
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Breseghello, Flávio
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Navarro-Racines, Carlos E.
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Li, Tao
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Rebolledo, María Camila
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Challinor, Andrew J.
,
[Breeding implications of drought stress under future climate for upland rice in Brazil]
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Breeding implications of drought stress under future climate for upland rice in Brazil
Sie, M.
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Sanni, K.
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Futakuchi, K.
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Manneh, B.
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Mande, S.
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Vodouhe, R.S.
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Dogbe, S.
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Drame, K.
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Ogunbayo, A.
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Ndjiondjop, Marie-Noel
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Traoré, K.
,
[Towards a rational use of African rice (Oryza glaberrima Steud.) for breeding in Sub-Saharan Africa]
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Towards a rational use of African rice (Oryza glaberrima Steud.) for breeding in Sub-Saharan Africa
Moquete Cuevas, CA
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Guimaraes, Elcio Perpétuo
,
[Relationship among Latin American rice breeding sites for disease evaluation]
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Relationship among Latin American rice breeding sites for disease evaluation
The paper uses the average treatment effect (ATE) to estimate the population potential adoption rates of the New Rice for Africa (NERICA) varieties in Nigeria when awareness and access to their seed are not constrained to farmers. It thus extends previous works in the literature that have focused...
Dontsop Nguezet, Paul M.
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Diagne, A.
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Okoruwa, V.
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Ojehomon, V.
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Manyong, Victor M.
,
[Estimating the actual and potential adoption rates and determinants of NERICA rice varieties in Nigeria]
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Estimating the actual and potential adoption rates and determinants of NERICA rice varieties in Nigeria
Subgenomic RNAs of both polarities corresponding to rice hoja blanca virus (RHBV) ambisense RNA4 were detected in RHBV-infected rice tissues. Total RNA extracted from RHBV-infected and noninfected rice tissues and RNA4 purified from RHBV ribonucleoprotein particles were used as templates for prim...
Ramírez, B.C.
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Garcin, D
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Calvert, Lee A.
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Kolakofsky, D
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Haenni, AL
,
[Capped nonviral sequences at the 5' end of the mRNAs of Rice Hoja Blanca Virus RNA4]
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Capped nonviral sequences at the 5' end of the mRNAs of Rice Hoja Blanca Virus RNA4
Ninety-five strains of fluorescent (presumed to be Pseudomonas spp.) and nonfluorescent pathogens of rice causing grain and sheath rot, dirty panicle, and manchado de grano, and 21 strains of nonpathogenic fluorescent pseudomonads isolated from rice grain and sheaths from 22 countries were compar...
Zeigler, Robert S.
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Álvarez, E.
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[Characteristics of Pseudomonas spp. causing grain discoloration and sheath rot of rice, and associated pseudomonas epiphytes]
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Characteristics of Pseudomonas spp. causing grain discoloration and sheath rot of rice, and associated pseudomonas epiphytes
Rice Breeding Program (RBP) of the Instituto de Investigaciones Agropecuarias (INIA) at Chillán, Chile, has a rice (Oryza sativa L.) germplasm collection that consists of 1200 accessions, mainly temperate japonica rice accessions, well adapted to the local conditions. Most of the new introduced a...
Becerra Velásquez, Viviana L.
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Paredes, Mario
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Ferreira, Marcio E.
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Gutiérrez, Eduardo
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Díaz, Lucy Milena
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[Assessment of the genetic diversity and population structure in temperate japonica rice germplasm used in breeding in Chile, with SSR markers]
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Assessment of the genetic diversity and population structure in temperate japonica rice germplasm used in breeding in Chile, with SSR markers