Results 101 to 110 of about 1,006 (162)

Resistance to rice root-knot nematode Meloidogyne graminicola identified in Oryza longistaminata and O. glaberrima

open access: yes
Accessions of Oryza longistaminata and O. glaberrima, two rice species from Africa, and O. sativa were screened to identify sources of resistance to Meloidogyne graminicola. An initial population of 6000 J2/plant was inoculated to cuttings of the African
Soriano, Imelda R.   +4 more
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The Distribution, Incidence, Natural Reservoir Hosts and Insect Vectors of Rice Yellow Mottle Virus (RYMV), Genus Sobemovirus in Northern Nigeria [PDF]

open access: yesTropicultura, 2002
Field visits and surveys were carried out in Niger, Kano, Bauchi and Gombe states of northern Nigeria at tillering and panicle initiation stages of rice in the years 2000 and 2001 to determine the distribution, host plants and occurrence of insect ...
Abo, ME., Ukwungwu, MN., Onasanya, A.
doaj  

Uma extensão do ncRNA-Agents : um estudo de caso para o gênero Oryza do reino Plantae [PDF]

open access: yes, 2015
Monografia (graduação)—Universidade de Brasília, Instituto de Exatas, Departamento de Ciência da Computação, 2015.Neste trabalho, criamos uma nova instância do ncRNA-Agents, um sistema de anotação de RNAs não-codificadores (ncRNAs) baseado em sistemas ...
Andrade, Rafael B
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Contrasting genetic diversity among Oryza longistaminata (A. Chev et Roehr) populations from different geographic origins using AFLP

open access: yes, 2005
Molecular markers have been used extensively in studying genetic diversity, genetic relationships and germplasm management. However, the understanding of between and within population genetic variation and how it is partitioned on the basis of geographic
Newbury, H J   +3 more
core   +1 more source

Exploration of Novel Genes and Alleles for Effective Biotic Stress Management in Rice

open access: yesInternational Journal of Economic Plants, 2015
Rice blast, is one of the most widespread and destructive diseases of rice throughout the world. Management of this disease is becoming difficult due to high degree of variability in pathogenicity of   M. grisea   isolates prevalent in India.
M. Sheshu Madhav
doaj  

Solving the mystery of Obake rice in Africa: Population structure analyses of Oryza longistaminata reveal three genetic groups and evidence of both recent and ancient introgression with O. sativa

open access: yes
The undomesticated rice relative Oryza longistaminata is a valuable genetic resource for the improvement of the domesticated Asian rice, Oryza sativa. To facilitate the conservation, management, and use of O.
Zhang, Shilai   +6 more
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Interactive effect on morphology, phenology and growth of the wild rice (oryza longistaminata) ecotypes and cultivated rice (oryza sativa) cultivars from the Coastal region of Kenya

open access: yes, 2011
Rice is the third most important cereal crop in Kenya after maize and wheat. Among the major constraints of rice production in Kenya is wild rice which occur in or near the rice fields as weeds or in wild form.
Mwingi, Njeru S.
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Comparaison des echantillonnages aleatoires et stratifies pour la mesure de la biomasse sur pied d'un parcours herbeux a Oryza longistaminata des plaines d'inondation du Niger

open access: yes, 2011
Etude comparative de divers protocoles de mesure de la biomasse aerienne du tapis herbace pour inventorier le potentiel fourrager des parcours a Oryza longistaminata des plaines d'inondation du Niger proche de Moura et de ses abords saheliens a l'aide d ...
Hiernaux, Pierre H.Y.
core  

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