Results 31 to 40 of about 154,937 (247)

Facial Contrast Is a Cross-Cultural Cue for Perceiving Age

open access: yesFrontiers in Psychology, 2017
Age is a fundamental social dimension and a youthful appearance is of importance for many individuals, perhaps because it is a relevant predictor of aspects of health, facial attractiveness and general well-being.
Aurélie Porcheron   +8 more
doaj   +1 more source

Arms Races and Car Races

open access: yes, 2006
Evolutionary car racing (ECR) is extended to the case of two cars racing on the same track. A sensor representation is devised, and various methods of evolving car controllers for competitive racing are explored. ECR can be combined with co-evolution in a wide variety of ways, and one aspect which is explored here is the relative-absolute fitness ...
Julian Togelius, Simon M. Lucas
openaire   +2 more sources

Races CYR34 and Suwon11-1 of Puccinia striiformis f. sp. tritici Played an Important Role in Causing the Stripe Rust Epidemic in Winter Wheat in Yili, Xinjiang, China

open access: yesJournal of Fungi, 2023
Wheat stripe rust caused by Puccinia striiformis f. sp. tritici is a destructive disease. Its pathogen frequently adapts to newly invaded regions and overcomes resistance in wheat cultivars.
Li Chen   +6 more
doaj   +1 more source

Overwintering capability and spring population size of honeybee colonies (Apis mellifera L.) in Hungary

open access: yesInternational Journal of Horticultural Science, 2000
Honeybee races and ecotypes of different genetic background have different population development in spring. Some of them can reach the necessary population size by the beginning of Robinia pseudoacacia (black locust) blooming period.
I. Ludányi
doaj   +1 more source

The situation in the population of the sunflower downy mildew pathogen in some regions of the Russian Federation

open access: yesАграрная наука Евро-Северо-Востока, 2022
Downy mildew is one of the most spread and harmful diseases of sunflower (Helianthus annuus L.). The aim of the study was to determine the races of the pathogen of the disease of the oomycete Plasmopara halstedii (Farl.) Berl.
M. V. Iwebor   +5 more
doaj   +1 more source

Racing with Uncertainty

open access: yesThe Review of Economic Studies, 1987
The paper presents two models of races in which there is both technological uncertainty and strategic interaction between competitors as the race unfolds. Most of the existing literature examines one or other of these features, but not the two combined.
Harris, C, Vickers, J
openaire   +2 more sources

Characteristics of the gene pool of spring wheat (Triticum aestivum L.) for resistance to loose smut in the forest-steppe of Western Siberia

open access: yesВавиловский журнал генетики и селекции, 2019
Among the many diseases of spring wheat caused by pathogenic fungi, loose smut Ustilago tritici (Pers.) Jens. remains to be a dangerous disease with a wide range of distribution.
E. A. Orlova, N. P. Baechtold
doaj   +1 more source

Le programme français d’éradication de la tremblante du cheptel ovin fondé sur l’utilisation de la génétique

open access: yesINRAE Productions Animales, 2004
Les travaux conduits en ovins laitiers dès 1993 dans des élevages ovins atteints de tremblante ont permis de connaître la fréquence des allèles sensibles du gène PrP selon les races considérées, vérifier le risque accru de tremblante pour ces génotypes,
F. BARILLET   +14 more
doaj   +1 more source

Blink reflex: comparison of latency measurements in different human races [PDF]

open access: yesArquivos de Neuro-Psiquiatria, 2002
The blink reflex latencies and cephalometric indexes were analysed in 30 male volunteers from three different races, 10 white, 10 black, and 10 Oriental. Ages ranged from 15 to 59 years, height from 1,60 to 1,80 m, and weight from 60 to 80 kg.
Paulo Andre Teixeira Kimaid   +4 more
doaj  

First molecular identification of wheat seed gall nematode Anguina tritici races parasitized on wheat in Iraq

open access: yesActa Universitatis Sapientiae: Agriculture and Environment, 2019
This study was conducted to identify races of wheat seed gall nematode Anguina tritici by using molecular identification for this nematode species parasitized on durum and bread wheat cultivars.
Ami Sulaiman Naif   +3 more
doaj   +1 more source

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