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Sunflower

2013
Sunflowers (Helianthus annuus L.) grow in dry areas, so they are heavily influenced by environmental conditions. Sunflower yield increased drastically after hybrids entered production in the 1980s, but sunflower yield has changed little right up to today.
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The Rise of Sunflowers

Science, 2010
A new fossil suggests the family that includes sunflowers and daisies originated in South America.
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Sunflower Propagation

2009
Sunflower (Helianthus annuus L.) has been cultivated both as an oilseed and as an ornamental plant. Several protocols have been described for the micropropagation, direct plant regeneration by organogenesis being acceptable for this plant species. Besides a strong genotype dependency, the type and ontogenic stage of explants, environmental conditions ...
M L, Mayor   +4 more
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Sunflower etioplast membranes

Journal of Ultrastructure Research, 1979
As has already been seen in the chloroplasts of light-grown sunflower plants, also in the etioplasts of dark-grown sunflower plants their internal membrane system appears to be formed by lightly stained membranes which, afterwards, become normally stained.
RASCIO, NICOLETTA, CASADORO, GIORGIO
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Sunflower oil is not allergenic to sunflower seed-sensitive patients

Journal of Allergy and Clinical Immunology, 1986
The allergenicity of edible oils derived from sunflower seeds was investigated in two patients with anaphylactic sensitivity to sunflower seeds. Specific IgE-mediated hypersensitivity to sunflower seed was demonstrated by history, prick skin tests, positive passive transfer skin test, and RAST.
Michael E. Ruff   +4 more
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Sensitization to sunflower pollen and lung functions in sunflower processing workers

Allergy, 2002
Background: This study aimed to investigate whether exposure to sunflower pollen (Helianthus annuus) increases both sensitization and respiratory symptoms, and whether or not it affects lung functions in sunflower processing workers. Methods: The largest sunflower processing factories in the Thrace region of Turkey participated in this study.
Bülent Tutluoğlu   +5 more
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