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Labor‐saving and income‐increasing technologies may affect women farmers differently from men. However, very few studies explicitly account for women's preferences for new technologies. We carried out a discrete choice experiment with 337 female and 329 male farmers in Maharashtra, India, to meas...


Joshi, Pramod K.Khan, Md TajuddinKishore, Avinash[Heterogeneity in male and female farmers’ preference for a profit‐enhancing and labor‐saving technology: The case of Direct‐Seeded Rice (DSR) in India]Heterogeneity in male and female farmers’ preference for a profit‐enhancing and labor‐saving technology: The case of Direct‐Seeded Rice (DSR) in India

Enhancing rice yield in upland rice systems through genetic improvement remains a major challenge in the tropics. This review aims to provide the trends on upland rice cultivation over the last 30 years and recent distribution of upland rice in the tropics, and to report progress in studies on ge...


Saito, KazukiAsai, HidetoshiZhao, DuleLaborte, Alice G.Grenier, Cécile[Progress in varietal improvement for increasing upland rice productivity in the tropics]Progress in varietal improvement for increasing upland rice productivity in the tropics

Mineral fertilizer application and consequent plant nutrition has long been observed to influence associated plant-parasitic nematode population densities, offering the potential as a nematode management option. Observations were made on the influence of mineral fertilizer application on nematode...


Coyne, D.Sahrawat, K.Plowright, R.[The influence of mineral fertilizer application and plant nutrition on plantparasitic nematodes in upland and lowland rice in Cote dIvoire and its implications in longterm experiments]The influence of mineral fertilizer application and plant nutrition on plantparasitic nematodes in upland and lowland rice in Cote dIvoire and its implications in longterm experiments

Participatory research and development approaches involving all stakeholders along the value chain have recently been hypothesized to produce quicker outcomes than the linear technology transfer model. This paper analyzed the crop yield obtained by farmers and their uptake of improved technologie...


Abdoulaye, TahirouAmaza, P.S.Olanrewaju, A.S.Ellis-Jones, J.[Promoting the adoption of innovations through participatory approaches: example from northern Nigeria]Promoting the adoption of innovations through participatory approaches: example from northern Nigeria
Moquete Cuevas, CAGuimaraes, Elcio Perpétuo[Relationship among Latin American rice breeding sites for disease evaluation]Relationship among Latin American rice breeding sites for disease evaluation

In sub-Saharan Africa, unexploited land and water resources in wetlands represent an important potential for intensified, sustainable and food-secure farms through rice production and market gardening. The lack of uptake of cropping in wetlands may be related to the ways in which resources are di...


Paresys, L.Malézieux, E.Huat, J.Kropff, K.J.Rossing, W.A.H.[Between all-for-one and each-for-himself: On-farm competition for labour as determinant of wetland cropping in two Beninese villages]Between all-for-one and each-for-himself: On-farm competition for labour as determinant of wetland cropping in two Beninese villages

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.Diagne, A.Okoruwa, V.Ojehomon, V.Manyong, Victor M.[Estimating the actual and potential adoption rates and determinants of NERICA rice varieties in Nigeria]Estimating the actual and potential adoption rates and determinants of NERICA rice varieties in Nigeria

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.Álvarez, E.[Characteristics of Pseudomonas spp. causing grain discoloration and sheath rot of rice, and associated pseudomonas epiphytes]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.Paredes, MarioFerreira, Marcio E.Gutiérrez, EduardoDíaz, Lucy Milena[Assessment of the genetic diversity and population structure in temperate japonica rice germplasm used in breeding in Chile, with SSR markers]Assessment of the genetic diversity and population structure in temperate japonica rice germplasm used in breeding in Chile, with SSR markers

The complete sequence office hoja blanca virus (RHBV) RNA4 has been determined, based on the sequence of the corresponding eDNA clones. RNA4 consists of 1991 nucleotides with two open reading frames (ORFs). One putative ORF is located in the 5'-proximal region of the viral RNA4; it encodes a prot...


Ramírez, B.C.Lozano Potes, IConstantino, LMHaenni, AL[Complete nucleotide sequence and coding strategy of rice hoja blanca virus RNA4]Complete nucleotide sequence and coding strategy of rice hoja blanca virus RNA4

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