Sunflower


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Genetic Architecture of Capitate Glandular Trichome Density in Florets of Domesticated Sunflower (Helianthus annuus L.)

peer-reviewed journal publication, Sunflower /

Qing-Ming Gao, Nolan C. Kane, Brent S. Hulke, Stephan Reinert, Cloe S. Pogoda, Silas Tittes, Jarrad R. Prasifka Abstract: Capitate glandular trichomes (CGT), one type of glandular trichomes, are most common in Asteraceae species. CGT can produce various secondary metabolites such as sesquiterpene lactones (STLs) and provide durable resistance to insect pests. In sunflower, CGT-based […]

Genetic Architecture of Capitate Glandular Trichome Density in Florets of Domesticated Sunflower (Helianthus annuus L.) Read More »

Somatic Embryogenesis from Corolla Tubes of Interspecific Amphiploids between Cultivated Sunflower (Helianthus annuus L.) and Its Wild Species

peer-reviewed journal publication, Sunflower /

Xuelin Fu, Lili Qi, Brent Hulke, Gerald Seiler, Chao-Chien Jan Abstract: Somatic embryogenesis in vitro provides an efficient means of plant multiplication, facilitating sunflower improvement and germplasm innovation. In the present study, using interspecific amphiploids (2n=4x=68) between cultivated sunflower and wild perennial Helianthus species as explant donors, somatic embryos were induced directly from the surface of corolla

Somatic Embryogenesis from Corolla Tubes of Interspecific Amphiploids between Cultivated Sunflower (Helianthus annuus L.) and Its Wild Species Read More »

Registration of Sunflower Oilseed Maintainer Genetic Stocks HOLS1, HOLS2, HOLS3, and HOLS4

peer-reviewed journal publication, Sunflower /

Brent S. Hulke, Qing-Ming Gao, Michael E. Foley Abstract: One of the primary goals for the oilseed sunflower (Helianthus annuus L.) industry is to provide novel oil products for human consumption. One oil profile of particular interest is high oleic and low saturated fat, because it combines high oxidative stability of the oil with a reduction

Registration of Sunflower Oilseed Maintainer Genetic Stocks HOLS1, HOLS2, HOLS3, and HOLS4 Read More »

Development and dissection of diagnostic SNP markers for the downy mildew resistance genes PlArg and Pl8 and maker-assisted gene pyramiding in sunflower (Helianthus annuus L.)

peer-reviewed journal publication, Sunflower /

Lili Qi, Zahirul Talukder, Brent Hulke, Michael Foley Abstract: Downy mildew, which is caused by fungus Plasmopara halstedii (Farl.) Berlese & de Toni, is one of the most important diseases that affect sunflower production globally. Two downy mildew resistance genes, PlArg and Pl8, were discovered in the late 1980s. Over two decades, PlArg is still

Development and dissection of diagnostic SNP markers for the downy mildew resistance genes PlArg and Pl8 and maker-assisted gene pyramiding in sunflower (Helianthus annuus L.) Read More »

Relative susceptibility of sunflower maintainer lines and resistance sources to natural infestations of the banded sunflower moth (Lepidoptera: Tortricidae)

peer-reviewed journal publication, Sunflower /

Jarrad Prasifka, Brent Hulke Abstract: The banded sunflower moth, Cochylis hospes Walsingham (Lepidoptera: Tortricidae), is a significant seed-feeding pest of sunflowers in North America. Though some wild Helianthus spp., interspecific crosses, and H. annuus cultivars (that precede hybrid sunflower breeding) have low susceptibility to banded sunflower moth, no apparent effort has been made to evaluate

Relative susceptibility of sunflower maintainer lines and resistance sources to natural infestations of the banded sunflower moth (Lepidoptera: Tortricidae) Read More »