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Plant Sciences

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University of Texas Rio Grande Valley

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

2021

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Pre-Sowing Treatments Improve Germinability Of South Texas Native Plant Seeds, Kaitlynn Lavallee, Pushpa Soti, Hansapani Rodrigo, Rupesh R. Kariyat, Alexis Racelis Nov 2021

Pre-Sowing Treatments Improve Germinability Of South Texas Native Plant Seeds, Kaitlynn Lavallee, Pushpa Soti, Hansapani Rodrigo, Rupesh R. Kariyat, Alexis Racelis

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

The incorporation of native plant species is central to restoration efforts, but this is often limited by both the availability of seeds and the relatively low viability and germination rates of commercially available seeds. Although pre-sowing treatments are commonly used to improve germination rates of seeds, the efficacy of these treatments is found to vary across species. In this study, we tested how four pre-sow treatments (physical scarification, acid scarification, cold stratification, and aerated hydropriming) affected the viability and seed germination rates of 12 commercially available plant species native to south Texas and commonly used in restoration efforts. Our results …


Lignin, Sugar, And Furan Production Of Industrial Hemp Biomass Via An Integrated Process, Jikai Zhao, Jason Griffin, Kraig Roozeboom, Juhee Lee, Donghai Wang Nov 2021

Lignin, Sugar, And Furan Production Of Industrial Hemp Biomass Via An Integrated Process, Jikai Zhao, Jason Griffin, Kraig Roozeboom, Juhee Lee, Donghai Wang

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

Traditional pretreatment of lignocellulosic biomass is often accompanied by washing and disposal of wastewater, which leads to overuse of water and loss of by-products. The objectives of this study were to validate the potential of an acid-base integrated process for simultaneous sugars, furans, and lignin production without washing and wastewater discarding. The difference in conversion performance among different biomass resources was also demonstrated. Parallel acetic acid (HOAc, pH = 2.25) and sodium hydroxide (NaOH, pH = 13.46) pretreatments followed by solid and liquid integration were applied to four genotypes of industrial hemp (Cannabis sativa L.) biomass that were harvested …