Results 81 to 90 of about 35,676 (212)

Individual Escape Flight Performance Is Repeatable and Differs Between Long‐Tailed Finch (Poephila acuticauda) Subspecies but Not as Predicted by Asymmetrical Introgression

open access: yesEcology and Evolution, Volume 16, Issue 4, April 2026.
We repeatedly tested 158 individual long‐tailed finches, Poephila acuticauda, of two different sub‐species and their hybrids for differences in their flight performances. Several flight performance variables were repeatable across individuals. Contrary to expectations, P. a. hecki individuals did not display superior flight performance to P.
Samuel Ashby   +4 more
wiley   +1 more source

Características morfogênicas e estruturais de capim-massai submetido a adubação nitrogenada e desfolhação Morphogenetic and structural characteristics responses of massaigrass under nitrogen fertilization and defoliation

open access: yesRevista Brasileira de Zootecnia, 2006
O trabalho foi realizado com o objetivo de avaliar as características morfogênicas de Panicum maximum x Panicum infestum cv. Massai submetido a quatro doses de nitrogênio (0, 40, 80 e 120 mg/dm³) e três regimes de desfolhação (três, quatro e cinco folhas
Janaina Azevedo Martuscello   +5 more
doaj   +1 more source

Effects of land use pattern on invasive plant diversity in Guinean savanna ecosystems of Togodo protected area, Togo [PDF]

open access: yes, 2018
Tropical natural ecosystems host a very diverse flora and fauna and are key ecosystems for global climate and biogeochemical regulation. Unfortunately, in West African landscapes, large areas of savanna and forest have been progressively replaced or ...
Akodewou, Amah   +5 more
core  

Dormancy and Revitalization: The fate of ethnobotanical knowledge of camel forage among Sahrawi nomads and refugees of Western Sahara [PDF]

open access: yes, 2014
Knowledge about forage is fundamental to the survival of pastoral populations around the world. In this paper, we address the knowledge of camel forage of Sahrawi nomads and refugees of Western Sahara.
Puri, Rajindra K., Volpato, Gabriele
core   +2 more sources

Adaptation to Climate Change and the Role of Agrobiodiversity [PDF]

open access: yes, 2007
The world’s biological diversity is eroding. This concerns in particular the entire agri-cultural diversity of genes, species and their agrarian ecosystems, the resource base for food. With species becoming extinct, mankind is jeopardised.
Kotschi, Johannes
core  

B chromosomes in diploid guineagrass (Panicum maximum JACQ.).

open access: yesJapanese Journal of Breeding, 1988
B chromosomes (Bs) were detected in a diploid guineagrass (2n=16) strain derived from seeds collected in Tanzania. The number of Bs was constant at the metaphase I (MI) of pollen mother cells in the same plant, and the size of the B in the bivalents and univalents was approximately the same as that of the normal (A) chromosomes at MI.
Toshinori Komatsu, Kousuke Nakajima
openaire   +2 more sources

Evapotranspiração do capim Tanzânia obtida pelo método de razão de Bowen e lisímetro de pesagem Evapotranspiration of Guinea grass using automated Bowen ratio system and lysimeter

open access: yesEngenharia Agrícola, 2005
A irrigação de pastagens no Brasil apresentou crescimento acentuado nos últimos anos. No entanto, em função da ausência de pesquisas sobre a aplicação de água em pastagens, o manejo da irrigação não vem sendo realizado de maneira racional. Com o objetivo
Leonardo D. B. da Silva   +2 more
doaj   +1 more source

Influência da aplicação de adubos orgânicos e fósforo sobre a produtividade do Panicum maximum cv. Mombaça. [PDF]

open access: yes, 2011
Avaliou-se o efeito da adubação fosfatada e orgânica, com produtos oriundos da siderurgia (pó-de-balão) e avícola (cama-de-frango), na produção de biomassa da forrageira Panicum maximum cv. mombaça..
BRASIL, E. C.   +5 more
core  

Damages caused by Bipolaris maydis in Panicum maximum cv. Tanzânia
Dano causado por Bipolaris maydis em Panicum maximum cv. Tanzânia

open access: yesSemina: Ciências Agrárias, 2010
The aim of this research was to evaluate the damage caused by Bipolaris maydis in the quantity and quality of the Tanzania grass production. Tanzania grass plants were cultivated in pots of PVC tubes (50 cm of height x 15 cm of diameter) containing a ...
Gilmar Franzener   +2 more
doaj   +1 more source

Panicum maximum (Jacq.) et l'intensification fourragère en Côte d'Ivoire [PDF]

open access: yes, 1975
L'intérêt agronomique des Panicum maximum est analysé. La diversité de l'espèce est d'abord présentée et une classification de référence est établie. Les recherches fondamentales sur la biologie de la reproduction et la génétique menées à l'ORSTOM ont ...
Letenneur, L.   +5 more
core  

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