Results 21 to 30 of about 14,319,908 (138)

Diversidad genética intra e inter-específica de ñame (Dioscorea spp.) de la región Caribe de Colombia mediante marcadores AFLP

open access: yesActa Agronómica, 2011
Conocer la variabilidad genética del ñame, Dioscorea spp., permite apoyar estrategias de mejoramiento y conservación de este recurso fitogenético. El objetivo de este estudio fue la caracterización molecular de 20 accesiones de Dioscorea spp. mediante la
Hernando Javier Rivera-Jiménez   +4 more
doaj   +2 more sources

Banco de germoplasma en sacha papa (Dioscórea trífida), en Tingo María [PDF]

open access: yes, 2019
El presente trabajo se realizó en la Universidad Nacional Agraria de la Selva (en suelo degradado), espalda de Facultad de Ingeniería e Informática y Sistemas en Tingo María, provincia de Leoncio Prado, departamento de Huánuco, con la finalidad de ...
Alva Valdiviezo, Wilfredo   +2 more
core   +1 more source

Distribution, management and diversity of the endangered Amerindian yam (Dioscorea trifida L.)

open access: yesBrazilian Journal of Biology
The objective of this study was to verify the occurrence of Dioscorea trifida in Brazil and to obtain information concerning its distribution, management and diversity.
WF. Nascimento   +5 more
doaj   +1 more source

Orchids of Russia: annotated checklist and geographic distribution

open access: yesNature Conservation Research: Заповедная наука, 2020
A checklist of orchids is presented for Russia. Data from the project «Biodiversity Mapping of Orchidaceae of Russia» are supplemented by the literature data in order to analyse the geographical distribution of species.
Petr G. Efimov
doaj   +1 more source

Characterization of a novel R98Q mutation that confers resistance to sulfentrazone in common ragweed (Ambrosia artemisiifolia) populations from Michigan

open access: yesPest Management Science, EarlyView.
Field‐collected Ambrosia artemisiifolia populations from Michigan, USA, soybean fields exhibited strong resistance to the protoporphyrinogen IX oxidase (PPO)‐inhibiting herbicide sulfentrazone and reduced sensitivity to fomesafen. Target‐site analysis identified a novel Arg‐98‐Gln (R98Q) substitution in PPO2, co‐occurring with the previously reported ...
Sara Álvarez‐Rodríguez   +4 more
wiley   +1 more source

Biology of the Gall Midge Spanolepis selloanae (Diptera, Cecidomyiidae), a Candidate Biological Control Agent of the Invasive Grass Cortaderia selloana

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Spanolepis selloanae (Diptera, Cecidomyiidae) infests Cortaderia selloana (pampas grass). It lays eggs in the spikelets, where larvae feed on female parts. The high prevalence of the midge and its combined impact in seed production, condition and viability strongly reduces the reproductive output of C. selloana.
María J. Servia   +6 more
wiley   +1 more source

Reaction of yam genotypes (Dioscorea spp) to anthracnose (Colletotrichum gloeosporioides) [PDF]

open access: yes, 2017
El ñame (Dioscorea spp) es afectado por diferentes patógenos, entre los que se destaca Colletotrichum gloeosporioides, agente causal de la antracnosis. Esta enfermedad reduce la eficiencia fotosintética de la planta y ocasiona pérdidas en la producción
Hernández, Karina P.   +4 more
core   +1 more source

Economic analysis of diversified corn herbicide programs for weed management and rotation flexibility in western Nebraska

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 4, December 2026.
Abstract Corn (Zea mays L.), dry edible bean (Phaseolus vulgaris L.), and sugarbeet (Beta vulgaris L.) are frequently grown in rotation in the Panhandle of Nebraska. The primary weed challenges in this system are Palmer amaranth (Amaranthus palmeri S. Watson) and kochia [Bassia scoparia (L.) A.
Abraham Akuoko   +2 more
wiley   +1 more source

Potential Short-Term Memory Induction as a Promising Method for Increasing Drought Tolerance in Sweetpotato Crop Wild Relatives [Ipomoea series Batatas (Choisy) D. F. Austin]

open access: yesFrontiers in Plant Science, 2020
Crop wild relatives of sweetpotato [Ipomoea series Batatas (Choisy) D. F. Austin] are a group of species with potential for use in crop improvement programs seeking to breed for drought tolerance.
Fernando Guerrero-Zurita   +5 more
doaj   +1 more source

Prediction of cereal rye biomass accumulation in Wisconsin based on weather and agronomic management

open access: yesCrop, Forage &Turfgrass Management, Volume 12, Issue 2, December 2026.
Abstract Cereal rye (Secale cereale L.) biomass accumulation is strongly influenced by weather conditions and management practices, making accurate biomass estimates critical for guiding farmers’ management decisions. In this study, we evaluated how weather (e.g., temperature and rainfall) and management practices (including planting and termination ...
Fabiano Colet   +12 more
wiley   +1 more source

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