Locus prl5 improves lodging resistance of rice by delaying senescence and increasing carbohydrate reaccumulation

Plant Physiology and Biochemistry : PPB
Takayuki KashiwagiKen Ishimaru

Abstract

We investigated the reason for carbohydrate retention in the stem of rice (Oryza sativa L.) at full-ripe stage in a near-isogenic line (NIL63) carrying prl5, which confers lodging resistance without yield loss. NIL63 showed higher lodging resistance than Nipponbare (control) without reduced yield. At heading, the carbohydrate content in the NIL63 stem (culm and leaf sheathes) was the same as in Nipponbare. At 2 weeks after heading, the carbohydrate content in NIL63 was significantly higher than in Nipponbare. At 4 weeks after heading, the carbohydrate content in NIL63 had decreased to near the level in Nipponbare. At 6 weeks after heading, NIL63 showed higher carbohydrate reaccumulation. Chlorophyll degradation in the leaf blades of NIL63 was slower, and the chlorophyll content at 6 weeks after heading was higher than in Nipponbare. These results suggest that the delay in leaf senescence by prl5 results in carbohydrate reaccumulation in the stem after grain filling, increasing lodging resistance.

References

Aug 12, 2000·Journal of Experimental Botany·H Thomas, C J Howarth
Mar 3, 2001·Current Opinion in Plant Biology·M Yano
Oct 24, 2001·Plant & Cell Physiology·K IshimaruR Ohsugi
Oct 18, 2003·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·G H JiangQ Zhang
Jan 24, 2004·Plant Physiology·Takayuki Kashiwagi, Ken Ishimaru
Feb 8, 2005·Plant Physiology and Biochemistry : PPB·Ken IshimaruTakayuki Kashiwagi

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Citations

Jun 26, 2008·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Takayuki KashiwagiKen Ishimaru
Jan 29, 2013·Plant Molecular Biology·Per L GregersenKarin Krupinska
Jun 15, 2011·Bioscience, Biotechnology, and Biochemistry·Yumiko Arai-SanohMotohiko Kondo
Nov 5, 2016·Journal of Experimental Botany·Diane R WangSusan R McCouch
Apr 25, 2020·Food Science & Nutrition·Sara GrazianoMariolina Gullì
Jun 18, 2020·Frontiers in Plant Science·Weixiong LongShaoqing Li
Jul 17, 2020·Frontiers in Plant Science·Victor O SadrasAlberto Fereres
Dec 28, 2016·Environmental Science and Pollution Research International·Adnan Noor ShahRiaz Ahmad
Aug 6, 2018·The Science of the Total Environment·Xinyong ZhaoLianxing Yang
Apr 20, 2021·Planta·Chong-Yuan SunDan Zhang
Jul 3, 2021·International Journal of Molecular Sciences·Siddharth PandaJauhar Ali

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