Results 71 to 80 of about 430 (164)

Novedades taxonómicas y sinopsis taxonómica del género Digitaria (Poaceae, Panicoideae, Paniceae) en Colombia y Venezuela

Darwiniana, 2005
Digitaria cuatrecasasii, nueva especie de Honduras, Panamá, Colombia y Venezuela, se describe e ilustra. Se discute la posición taxonómica de D. cuatrecasasii y se propone su inclusión en la sección Leianthae.
Andrea S. Vega, Zulma E. Rúgolo de Agrasar   +1 more
doaj  

Weed population dynamics in rice crops resulting from post-emergent herbicide applications

Revista Facultad Nacional de Agronomía Medellín, 2017
Studies on weed population dynamics are based on observing and recording changes in weed communities in response to effects of disturbances in crop management. The present study aimed to evaluate weed population dynamics in rice crops in Tolima, Colombia,
Javier Ramírez, Verónica Hoyos, Guido Plaza   +2 more
doaj   +1 more source

Impact of land management on herbaceous vegetation diversity and forage provision in the Great Green Wall in Burkina Faso

Grassland Research, Volume 4, Issue 2, Page 105-120, June 2025.
According to the disturbance gradient, the species richness of herbaceous vegetation increased from fenced (less disturbed) to fallow (most disturbed). The pastoral value and biomass production of grazing land were higher in protected areas (fenced land) than in unprotected areas (community forests and fallow land), suggesting that conservation ...
Issouf Zerbo, Sambo Ouédraogo, Daouda Savadogo, Aliou Guissé, Issaka J. Boussim   +4 more
wiley   +1 more source

Efeito da prevenção de produção de sementes pelas plantas daninhas e da aplicação de herbicida em jato dirigido na densidade de infestação na cultura do milho em anos sucessivos Effect of weed seed production prevention and 10-year herbicide direct spray on weed density in corn during sucessive years

Planta Daninha, 2001
Um experimento com dez anos de duração foi realizado em Ponta Grossa-PR para avaliar o efeito da prevenção de produção de sementes pelas plantas daninhas e da aplicação de herbicida em jato dirigido na densidade de infestação em plantios direto e ...
F. Skóra Neto
doaj   +1 more source

Landrace diversity and heritage of the indigenous millet crop fonio (Digitaria exilis): Socio‐cultural and climatic drivers of change in the Fouta Djallon region of Guinea

PLANTS, PEOPLE, PLANET, Volume 7, Issue 3, Page 704-718, May 2025.
White fonio (Digitaria exilis [Kippist] Stapf) is an understudied millet crop, indigenous to West Africa and cultivated in the region largely through traditional practices. This species is climate‐resilient, fast‐growing, nutritionally rich, and provides livelihoods and food security to rural communities.
George Burton, Benedetta Gori, Saidou Camara, Paolo Ceci, Nagnouma Conde, Charlotte Couch, Sekou Magassouba, Maria S. Vorontsova, Tiziana Ulian, Philippa Ryan   +9 more
wiley   +1 more source

Germinação e emergência de plântulas para três espécies de gramíneas invasoras de cultura do gênero Digitaria Heister ex Haller Germination and seedling emergence for three weed grasses of the genus Digitaria Heister ex Haller

Acta Botânica Brasílica, 1989
O presente trabalho relaciona a germinação de sementes com emergência de plântulas para as espécies Digitaria ciliaris (Retz.) Koel, D. horizontalis Willd. e D.
José Marcos Barbosa, Theóphilo Salem da Silva, Roberto Andreani Junior, Robinson Antonio Pitelli, Luiz Mauro Barbosa   +4 more
doaj   +1 more source

HUBUNAGN KEMAMPUAN PERGANTIAN INANG DENGAN PLASTISITAS GENETIKA PADA CENDAWAN BLAS PADI (PYRICULARIA GRISEA)

Jurnal Ilmu Pertanian Indonesia, 2009
The Digitaria ciliaris, wild grass grown around rice field, was a host for Pyricularia grisea (Cooke) Sacc., the fungi caused blast disease of rice. This fungi have a specific mechanism to regenerate new genetic variation in its life cycle.
Sri Listiyowati, Utut Widyastuti, Gayuh Rahayu, Alex Hartana, Muhammad Jusuf   +4 more
doaj  

Comparison of the Biological Properties of Several Marine Sponge-Derived Sesquiterpenoid Quinones

Molecules, 2007
Eight naturally occurring marine-sponge derived sesquiterpenoid quinones wereevaluated as potential inhibitors of pyruvate phosphate dikinase (PPDK), a C4 plantregulatory enzyme.
Ping Yin, Dianne M Tapiolas, Lyndon E Llewellyn, Jason R Doyle, Arlette Longeon, Marie-Lise Bourguet-Kondracki, Cherie A Motti   +6 more
doaj   +1 more source

Allelopathic and Autotoxic Effects of Medicago sativa—Derived Allelochemicals

Plants, 2019
In this study, the allelopathic properties of Medicago sativa on different weeds were investigated under in vitro conditions. The compounds involved in the autotoxicity of M. sativa were analyzed using high-performance liquid chromatography. The extracts
Bimal Kumar Ghimire, Balkrishna Ghimire, Chang Yeon Yu, Ill-Min Chung   +3 more
doaj   +1 more source

Espécies de cerrado com potencial para recuperação de áreas degradadas por mineração de ouro, Paracatu-MG

Revista Árvore, 2011
Com o intuito de selecionar espécies que possam ser testadas na recuperação de áreas com alta concentração de arsênio, foram estudadas 10 áreas de Cerrado degradadas pelo garimpo de ouro em Paracatu, MG.
Andreza Viana Neri, Michellia Pereira Soares, João Augusto Alves Meira Neto, Luiz Eduardo Dias   +3 more
doaj   +1 more source