1) Daniel Carvalho
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Optimizing Water Use Efficiently in C4 Crops
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1) Daniel Carvalho
- 1. Optimizing water use efficiency in C4 crops Daniel Carvalho PhD. Candidate in Agronomy and Horticulture Advisor: James C. Schnable
- 2. Why am I here? Carrão et al, 2016 Drought risk
- 3. Background • C4 photosynthesis is more efficient and has better water use efficiency (WUE) http://evolution.berkeley.edu/evolibrary/images/interviews/stoma_diagram.gif • Agriculture increases strain in world water use
- 4. Background • C3 and C4 plants have different WUE • Questions: - Are there differences across C4 plants? - Can we use them to reduce the strain in water resources? http://msir.co/files/2012/08/T-L_Pivot_Line.jpg
- 5. Methods and facilities used LI-COR 6800 photosynthesis measurements Photo:EvanLaBrant Lemnatec at NIC Greenhouse Comparative genomics Comparative phenomics Sorghum Maize Dichanthelium
- 6. Photosynthetic Water Use Efficiency Photos: Schnable Lab 1 2 3 4 5
- 7. Future steps • Evaluating the relationships between water use efficiency of LI-COR and imaging data Sorghum Tef
- 8. Thank You waterforfood.nebraska.edu Prof. James Schnable Dr. Sunil Kumar @SchnableLab @deCarvalhoD90
- 9. WUE by C4 subtype Species C4 subtype Dichanthelium oligosanthes C3 Panicum miliaceum NAD-ME Eleusine coracana NAD-ME Zea mays NADP-ME Sorghum bicolor NADP-ME Coix lacryma-jobi NADP-ME Pennisetum glaucum NADP-ME Setaria italica NADP-ME Echinochloa esculenta NADP-ME Echinochloa colona NADP-ME Danthoniopsis dinteri NADP-ME Urochloa fusca PCK Eragrostis tef PCK
Editor's Notes
- Northeast-Brazil is in the Drought polygon (term created by the government due to recurrent dry periods).
- Water loss through transpiration Different plants different degrees of transpiration, different types of photosynthesis Are there big differences across different C4 plants?
- Brazilian government has allowed me to work on my phd project with genomics data, what w4f allowed me was the phenomics part. Left: FIX FIGURE ADD EXTRA SPP AND FIGURE. CHANGE GEVO CONFIG TO MAKE THINGS THICKER. Gevo (Figure Gevo panel with pictures of plants) ] Right: Phenomics figure LICOR instataneous photosynthetic water use efficiency, Lemnatec long term functional (photosynthetic?) WUE, agronomic WUE (biomass)
- FIX: Add a tree in the slide, make sure to add C3 groups to each origin WUE differs a lot across different origins, I’m optimistic that I’m able we can learn things to make C4 crops more WUE
- Still working on evaluating relationship between the WUE of LICOR and Lemnatec data Remind how their different from each other
- This work would not be possible without the crops domesticated by different cultures all around the world, which we have access to. Questions: Lowering infrastructure costs for water irrigation Genetic engineering acceptance by other countries (overcome limitations like drought and food security) * Industry control of food plants (maybe...) ** They don’t like Monsanto and having companies controling what they eat....
- Still working on evaluating relationship between the WUE of LICOR and Lemnatec data Remind how their different from each other