14/07/2019 NOTIFICATION 436
News from HATRI
Three days,from July 8th to 11th2019, High Agricultural Technology Research Institute inMekong deltahad the discussions with Dr. Robert Caine fromthe University of Sheffield, UK. The conference's aim is collaboratingto the University of Sheffield and providing a pathway for translatable research to be conducted under field conditions, which isimpossible in the UK. For that reason, Robert, Julie, David and HATRI are aiming to establishn a stronger link between our institutions and this will hopefully include sending some of HATRI’s most gifted students and researchers to learn and work at the University of Sheffield so that these skills can subsequently be applied in the Mekong delta. During the workshop, Robert and Prof Lang ( HATRI ) discussed the key that rice growers have been facing the environmental stress in the Mekong delta and the future scenarios. Since that time, we have been working together to understand how the altering stomatal number (density) on rice leaves might affect the growth responses to high salt water concentration. Our collaborations thus far have resulted in the implementation of salt screening techniques on the reduced stomatal density plants. Robert and Julie have been working on for a number of years (Caine et al, 2019, also see accompanying proposal). The results showed that plants with fewer stomata appear to take up less salt into expanded leaves, and so the leaves remain healthy for longer. Given that the plants studied have already been shown to be more drought tolerant, this gives us great confidence that having reduced stomatal density in non-GM high yielding Vietnamese varieties may lead to great successes for Vietnamese farmers.
Figure 1. Prof. Dr. Nguyen Thi Lang and Dr. Robert Caine fromThe University of Sheffield(Photo byCong Bui)
Figure 2. Robert Caine’s discussion with Prof. Dr. Lang at HATRI for plan in future 2020 (Photo by Cong Bui).
After discussion,Dr. Robert Caine University of Sheffield have a seminar, which title: “Deep evolutionary conservation of genes involved with stomatal development:The genes involved with stomatal development and patterning are highly conserved – even between moss and rice!! And fossil plants too!!”
Why stomata first evolved is still not known but they have numerous functions in different plants!
and Can Reducing Stomatal Density in Rice Mitigate the Effects of Climate Change?
  • OsEPF1over-expression reduces stomatal density
  • Plants with fewer stomata use less water
  • Moderate reductions in stomata leads to improved yield under drought
  • Reducing stomatal density may lead to changes in root architecture
  • Having moderate reductions in stomata has a positive effect on plants grown in saline water
  • Repering proposal for Traningwoshop linked with Other Insitute
Figure 3: Seminar of Dr Robert Caineat HATRI office, CanTho (Photo by Hieu Bui)
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