As part of our lab’s research, we often utilize a gas chromatograph (GC), which is an analytical instrument that helps analyze the content of various components in a sample. In our case, we use this instrument to measure the oil content of a given sunflower variety. We typically run about 5,000 or more samples per […]
Shout-out to our intern! Read More »
I have set up a dedicated mySQL database system for the Hulke Lab. It will allow us to much more easily access nursery, field phenotyping trial, and genomic data sets to conduct model fitting. MySQL (Structured Query Language) is the most widely used opensource relational database management system (RDBMS). The first version of mySQL appeared in 1995, and Oracle operates
MySQL Database Solution Read More »
Last week, Brent attended the 14th annual national Sclerotinia initiative meeting (Minneapolis, MN) and gave a talk on our lab’s related Sclerotinia project. The title of his talk was “Using genomic selection to optimize prediction of Sclerotinia and agronomic phenotypes for more efficient breeding”. The primary goal of the Sclerotinia project is to better balance the intensity and efficiency
14th Annual National Sclerotinia Initiative Meeting Read More »
Dense genetic maps are critical tools for plant breeders and geneticists. While many maps have been developed for sunflower in the last few decades, most have been based on lowthroughput technologies and include marker numbers in the hundreds. However, two maps with reasonably dense coverage of about 5000 and 9000 single nucleotide polymorphism (SNP) loci
Unified SNP Map of Sunflower Read More »
The Hulke Lab is proud to announce four recent oilseed sunflower germplasms, HOLS1, HOLS2, HOLS3, and HOLS4. These oilseeds were developed to provide increased diversity in fatty acid composition in the seed’s oil, elevated oleic acid levels above current high oleic inbred lines, and reduced saturated fatty acid composition. The recurrent parent of the genetic
Release of High Oleic, Low Saturated Lines Read More »
Last week, Brent and Brian took a trip down to Kansas to visit The Land Institute. While in Salina, they met with David Van Tassel to discuss the future of the Silphium domestication project. Our lab will be working with a few people across the country, including the Kane Lab at Colorado. This project will
Our Trip to The Land Institute Read More »
Hello and welcome to the Hulke Lab website! We are very excited to share our research and look forward to creating a lab website worth visiting. During the months of May and June, we are typically quite busy planting sunflower for our various research projects. More information about that will come in the future, so
Brent Hulke, Christopher Grassa, John Bowers, John Burke, Lili Qi, Zahirul Talukder, Loren Rieseberg Abstract: Dense genetic maps are critical tools for plant breeders and geneticists. While many maps have been developed for sunflower in the last few decades, most have been based on low-throughput technologies and include markers numbers in the hundreds. However, two
Brent Hulke, Thomas Gulya Abstract: The most significant disease threat to sunflower production in most of the world is Sclerotinia head rot (HR), caused by the necrotrophic pathogen Sclerotinia sclerotiorum (Lib.) de Bary. Resistance to Sclerotinia is available in some inbred lines, but no line or hybrid is immune to it and all resistance is
Lili Qi, Guojia Ma, Yunming Long, Li Gong, Brent Hulke, Sam Markell Abstract: Rust (caused by Puccinia helianthi Schwein.) is a major disease of sunflower worldwide. Due to the frequent evolution of new pathogen races, the disease is a recurring threat to sunflower production especially in North America, Argentina, and Australia. The inbred line MC29
