Results 41 to 50 of about 37,069 (247)

Helianthus winteri (Asteraceae), a New Perennial Species From the Southern Sierra Nevada Foothills, California [PDF]

open access: yes, 2013
Helianthus winteri is described from Fresno and Tulare Counties in the southern Sierra Nevada foothills of California. It is distinguished from H. annuus by its woody trunk, year-round blooming, and morphological characteristics.
Constable, John V. H.   +2 more
core   +3 more sources

Development and application of KASP assays to differentiate between Sorghum bicolor, halepense, and their hybrids

open access: yesPest Management Science, EarlyView.
A panel showing the morphological differences between Sorghum halepense (A), hybrids (B), and Sorghum bicolor (C) with a novel KASP‐based genetic assay capable of reliably distinguishing between them. Partially Created in BioRender. https://BioRender.com/1u30ukv Abstract BACKGROUND Sorghum bicolor and Sorghum halepense can readily hybridize, creating ...
Connor Purvis   +2 more
wiley   +1 more source

Crescimento da cultura do girassol irrigado com diferentes tipos de água e adubação nitrogenada Growth of irrigated sunflower under different water sources and nitrogen fertilization

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2012
Objetivou-se, com o presente trabalho, avaliar o crescimento vegetativo do girassol irrigado com diferentes lâminas de esgoto doméstico tratado e água de poço freático e adubado com diferentes doses de nitrogênio. O experimento foi conduzido no Centro de
Cley A. S. de Freitas   +5 more
doaj   +1 more source

Shattercane (Sorghum bicolor (L.) Moench Subsp. Drummondii) and Weedy Sunflower (Helianthus annuus L.)—Crop Wild Relatives (CWRs) as Weeds in Agriculture

open access: yesDiversity, 2021
Shattercane (Sorghum bicolor (L.) Moench subsp. drummondii) and weedy sunflower (Helianthus annuus L.) are two examples of crop wild relatives (CWRs) that have become troublesome weeds in agriculture.
Panagiotis Kanatas   +6 more
doaj   +1 more source

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

Combining ability analysis in sunflower (Helianthus annuus L.)

open access: yesElectronic Journal of Plant Breeding, 2022
A study was carried out to assess the combining ability of ten CMS lines with four testers using the line x tester method. Biometrical observations were taken for days to 50% flowering, plant height, head diameter, days to maturity, volume weight ...
R. Dhanalakshmi1,2, N. Manivannan*2, PL. Viswanathan1, R. Sasikala1, L. Rajendran1and M. Senthivelu1
doaj   +1 more source

Comportamento de genótipos de girassol na região Meio-Norte do Brasil. [PDF]

open access: yes, 2011
O girassol (Helianthus annuus L.) apresenta-se como cultura promissora para a diversificação da agricultura na região Meio-Norte do Brasil, sobretudo como alternativa em sistemas de rotação ou em sucessão às culturas de soja, milho ou algodão herbáceo ...
RIBEIRO, J. L.
core   +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

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

Effect of substrates on germination and seedling emergence of sunflower (Helianthus annuus L.) at the Yongka Western Highlands Research/Garden Park, Bamenda-Cameroon [PDF]

open access: yes, 2015
A study was carried out at the Yongka Western Highlands Research Garden Park, Nkwen­Bamenda in Cameroon to evaluate the effect of substrates on the germination and seedling emergence of sunflower (Helianthus annuus L.).
Fokou, L.   +4 more
core   +2 more sources

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