Results 51 to 60 of about 49,860 (265)

Caracterización botánica y geográfica de mieles de la cuenca del salado, provincia de Buenos Aires, Argentina

open access: yesRIA: Revista Investigaciones Agropecuarias, 2006
Se analizaron 40 muestras de miel provenientes de las subregiones de Las Sierras y Las Encadenadas de la cuenca del Salado, provincia de Buenos Aires.
M. Basualdo   +2 more
doaj  

Helianthus annuus: A systematic review of Pharmacological activity [PDF]

open access: yes, 2016
Helianthus annuus, indigenous to Europe, possess an erect rough-hairy stem, reaching typical heights of 3 meters the common sunflower, is a large annual forb of the genus Helianthus grown as a crop for its edible oil and edible fruits seeds.
Miraj, S.
core  

Speciation with gene flow

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long   +7 more
wiley   +1 more source

Seleção de espécies de adubos verdes visando à fitorremediação de diclosulam Selection of green manure species aiming at diclosulam phytoremediation

open access: yesPlanta Daninha, 2013
Espécies de adubos verdes tolerantes ao herbicida diclosulam podem ser utilizadas em rotação de culturas para diminuir o efeito fitotóxico subsequente desse herbicida em plantas sensíveis, como o girassol ou milho.
P.A Monquero   +5 more
doaj   +1 more source

Combining ability studies in restorer lines of sunflower (Helianthus annuus L.) [PDF]

open access: yes, 2017
The restorer lines are used to get fertile hybrids in hybrid seed production system of sunflower. Improve-ment of R-lines for fertility and oil content of sunflower is required to get desirable hybrids upon crossing.
Diwan, J. R.   +4 more
core   +2 more sources

Spraying drones: efficacy of integrating an avian repellent with drone hazing to elicit blackbird flock dispersal and abandonment of sunflower fields

open access: yesWildlife Biology, EarlyView.
Multiple management strategies exist to combat bird damage to agriculture. We explored combining two tools, drones as frightening devices and an avian repellent, to assess effectiveness of an integrated method to deter large flocks on complex landscapes. We evaluated the ability of a spraying drone (DJI Agras MG‐1P) deploying Avian Control (i.e. active
Jessica L. Duttenhefner   +2 more
wiley   +1 more source

Lethal Concentration of Carbonate OF Ca as a Function of the Osmotic Potential of the Solution in Sunflower (Heliantusannuus L.) [PDF]

open access: yes, 2017
In order to know the effect of CaCO3 in solution, sunflower seedlings cv. Victoria, an experiment was completely randomized, where five concentrations of calcium carbonate were evaluated to determine the lethal concentration (LC50), pH and EC of the ...
Diaz-Lopez, E. (Ernesto)   +6 more
core   +1 more source

Are crop yields limited by pollinators? Proper assessments using pollinator gradients require measurements of flower density and yield potential

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract It is widely documented that many crops depend on animal—and primarily insect—pollination, but the degree to which pollinators limit yield in comparison with other factors is poorly understood.
Stan Chabert   +3 more
wiley   +1 more source

Molecular IgE Reactivity Profiling With Micro‐Arrayed Allergens Reveals Distinct Interregional Patterns of Sensitization and a Hypoallergenic Region in Türkiye

open access: yesAllergy, EarlyView.
A prospective, systematic and cross‐sectional population study was performed involving 1000 adult subjects from five centers representing different climatic areas of Türkiye (Turkey). Molecular IgE profiling demonstrated substantial interregional variation and identified a hypoallergenic region in the easternmost area with a continental climate.
Alp Kazancioglu   +22 more
wiley   +1 more source

Persistência e fitotoxicidade do herbicida atrazine aplicado na cultura do milho sobre a cultura do girassol em sucessão Persistence and phytotoxicity of the herbicide atrazine applied on corn crop on successive sunflower crop

open access: yesPlanta Daninha, 2002
Embora o herbicida atrazine aplicado na cultura do milho seja seletivo para esta cultura, pode causar fitotoxicidade em cultivos em sucessão/rotação. Dois experimentos foram conduzidos em campo, a fim de avaliar o efeito residual do herbicida atrazine ...
A.M. Brighenti   +5 more
doaj   +1 more source

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