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| Natural Variation of Leaf Thickness and Its Association to Yield Traits in indica Rice |
| LIU Chuan-guang, ZHOU Xin-qiao, CHEN Da-gang, LI Li-jun, LI Ju-chang and CHEN You-ding |
| Rice Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Key Laboratory of New Technology in Rice Breeding, Guangzhou 510640, P.R.China |
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摘要 Leaf thickness is an important morphological trait in rice. Its association to the yield potential, as of now has not been documented because of the shortage of the equipment which could conveniently measure the leaf thickness in rice. In this study, the thickness of top three leaves of 208 cultivars had been determined by a nondestructive rice leaf thickness instrument for the research of the natural variation of leaves thickness and its association to yield traits in indica rice. The results showed that the flag leaf was the thickest, and the 2nd leaf was thicker than the 3rd leaf. Analysis of variance indicated the existence of wide genetic diversity of leaf thickness among the investigated indica rice genotypes. The tight correlation among the thicknesses of the top three leaves means that the leaf thickness traits share one genetic control system. Leaf thickness had a significant positive correlation with leaf length and a positive correlation with leaf width, indicated that thicker leaf was beneficial to increasing the single leaf area. The results of correlation analysis revealed that thicker leaf should be profitable to the leaf erection, higher numbers of grains per panicle and higher grains weight per panicle. However, the significantly negative correlation between leaf thickness and number of panicles per plant counteracted the profitability from increased grains weight per panicle, so that the correlations of the thicknesses of the top three leaves to yield and biomass were positive but not significantly. It has made great progress in the genetic improvement of leaves thickness in inbred indica rice breeding in Guangdong Province, China, since the 1990s.
Abstract Leaf thickness is an important morphological trait in rice. Its association to the yield potential, as of now has not been documented because of the shortage of the equipment which could conveniently measure the leaf thickness in rice. In this study, the thickness of top three leaves of 208 cultivars had been determined by a nondestructive rice leaf thickness instrument for the research of the natural variation of leaves thickness and its association to yield traits in indica rice. The results showed that the flag leaf was the thickest, and the 2nd leaf was thicker than the 3rd leaf. Analysis of variance indicated the existence of wide genetic diversity of leaf thickness among the investigated indica rice genotypes. The tight correlation among the thicknesses of the top three leaves means that the leaf thickness traits share one genetic control system. Leaf thickness had a significant positive correlation with leaf length and a positive correlation with leaf width, indicated that thicker leaf was beneficial to increasing the single leaf area. The results of correlation analysis revealed that thicker leaf should be profitable to the leaf erection, higher numbers of grains per panicle and higher grains weight per panicle. However, the significantly negative correlation between leaf thickness and number of panicles per plant counteracted the profitability from increased grains weight per panicle, so that the correlations of the thicknesses of the top three leaves to yield and biomass were positive but not significantly. It has made great progress in the genetic improvement of leaves thickness in inbred indica rice breeding in Guangdong Province, China, since the 1990s.
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Received: 17 November 2012
Accepted:
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| Fund: This study was supported by the Natural Science Foundation of Guangdong Province, China (6025378, S2011010000983). |
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Corresponding Authors:
CHEN You-ding, Tel: +86-20-87596287, E-mail: chenyoud@21cn.com
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| About author: LIU Chuan-guang, Tel: +86-20-87596275, E-mail: guyliu@tom.com |
Cite this article:
LIU Chuan-guang, ZHOU Xin-qiao, CHEN Da-gang, LI Li-jun, LI Ju-chang and CHEN You-ding.
2014.
Natural Variation of Leaf Thickness and Its Association to Yield Traits in indica Rice. Journal of Integrative Agriculture, 13(2): 316-325.
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| Chen W F, Xu Z J, Zhang L B, Yang S R. 2001. Creation of new plant type and breeding rice for super high yield. Acta Agronomica Sinica, 27, 665-672. (in Chinese) Chen W F, Xu Z J, Zhang W Z. 2007a. Advances and prospects in breeding japonica rice for super high yield in the Northern China. Agricultural Sciences in China, 6, 1157-1165 Chen Y D, Zhang X, Zhou X Q, Chen G H. 2007b. Preliminary studies on thickness of nondestructive rice (Oryza sativa L.) leaf blade. Agricultural Sciences in China, 6, 802-807 Chen Y D, Zhou X Q, Chen D G, Li L J, Li J C, Zhang X. 2011. Studies on the differences of morphological characteristics for different high-yielding rice types in the late crop environmental condition. In: Chen Y D, Zhang X, eds., Researches on Dynamic Plant Type in Indica Rice. Shanghai Scientific & Technical Publishers, Shanghai, China. pp. 28-38 (in Chinese)Cheng S H, Cao L Y, Chen S G, Zhu D F, Wang X, Min S K, Zhai H Q. 2005. Conception of late-stage vigor super hybrid rice and its biological significance. Chinese Journal of Rice Science, 19, 280-284 (in Chinese) Cook M G, Evans L T. 1983. Some physiological aspects of the domestication and improvement of rice (Oryza spp.). Field Crops Research, 6, 219-238 Huang M, Zou Y B, Jiang P, Xia B, Ibrahim M, Ao H J. 2011. Relationship between grain yield and yield components in super hybrid Rice. Agricultural Sciences in China, 10, 1537-1544 Kanbe T, Sasaki H, Aoki N, Yamagishi T, Ebitani T, Yano M, Ohsugi R. 2008. Identification of QTLs for improvement of plant type in rice (Oryza sativa L.) using Koshihikari/ Kasalath chromosome segment substitution lines and backcross progeny F2 population. Plant Production Science, 11, 447-456 Khush G S. 1995. Breaking the yield frontier of rice. Geo Journal, 35, 329-332 Li J, Yang J, Li D, Fei P, Guo T, Ge C, Chen W. 2011. Chlorophyll meter’s estimate of weight-based nitrogen concentration in rice leaf is influenced by leaf thickness. Plant Production Science, 14, 177-183 Liu C, Zhang G, Zhou H, Feng D, Zhong H. 2010. Genetic improvement of yield and plant-type traits of inbred. indica rice cultivars in South China. Scientia Agricultura Sinica, 43, 3901-3911 (in Chinese) Liu Z Q. 1980. A study on the photosynthetic characters of different plant types of rice. Scientia Agricultura Sinica, 13, 6-10 (in Chinese) Lü C G, Gu F L, Zou J S, Lu M L. 1991. Studies on yielding potential and related characteristics of rice ideotype. Scientia Agricultura Sinica, 24, 15-22. (in Chinese) Matsushima S. 1976. High-Yielding Rice Cultivation. University of Tokyo Press, Tokyo. Murata Y. 1961. Studies on the photosynthesis of rice plants and its cultural significance. Bulletin of the National Institute of Agricultural Sciences (Japan, Series D), 9, 1-169 Murchie E H, Hubbart S, Chen Y, Peng S, Horton P. 2002. Acclimation of rice photosynthesis to irradiance under field conditions. Plant Physiology, 130, 1999-2010 Peng S. 2000. Single-leaf and canopy photosynthesis of rice. In: Sheehy J E, Mitchell P L, Hardy B, eds., Redesigning Rice Photosynthesis to Increase Yield. IRRI, Los Bannos, Philipines. pp. 213-228 Peng S, Khush G S, Cassman K G. 1994. Evolution of the new plant ideotype for increased yield potential. In: Cassman K G, eds., Breaking the Yield Barrier. IRRI, Manila, Philippines. pp. 5-20 Peng S, Khush G S, Virk P, Tang Q, Zou Y. 2008. Progress in ideotype breeding to increase rice yield potential. Field Crops Research, 108, 32-38 Shen F C. 1983. Heritability of flag leaf length, width, angel and specific leaf weight in rice. Guizhou Agricultural Sciences, 6, 18-25. (in Chinese) Sinclair T R, Sheehy J E. 1999. Erect leaves and photosynthesis in rice. Science, 283, 1456-1457 Sun X C. 1985. Studies on classification of leaf types of rice and its relation with photosynthesis. Scientia Agricultura Sinica, 18, 49-55 (in Chinese) Takai T, Kondo M, Yano M, Yamamoto T. 2010. A Quantitative trait locus for chlorophyll content and its association with leaf photosynthesis in rice. Rice, 3, 172- 180. Tsunoda S. 1962. A developmental analysis of yielding ability in varieties of field crops. IV. Quantitative and spatial development of the stem-system. Japanese Journal of Breeding, 12, 49-55 Wu Z H, Zhao G C, Xu K Z, Di Y T, Jiang N, Ling F L, Zhao Y J. 2009. Changes in photosynthetic indexes of rice varieties during forty-seven years of genetic improvement in Jilin Province, China. Chinese Journal of Rice Science, 23, 165-171 (in Chinese) Xia Z S. 1983. Studies on inheritance and selection of the leaf shape in Keng rice. Acta Agronomic Sinica, 9, 275- 282. (in Chinese) Yang J C, Zhu Q S, Cao X Z. 1992. Effects of the structure and photosynthetic characters of the canopy on the yield formation in rice plants. Scientia Agricultura Sinica, 25, 7-14. (in Chinese) Yang S R, Zhang L B, Wang J M. 1984. The theory and method of ideal plant morphology in rice breeding. Scientia Agricultura Sinica, 17, 6-13. (in Chinese) Yuan L P. 1997. Hybrid rice breeding for super high yield. Hybrid Rice, 12, 1-6. (in Chinese) Yoshida H, Horie T. 2009. A process model for explaining genotypic and environmental variation in growth and yield of rice based on measured plant N accumulation. Field Crops Research, 113, 227-237 Yoshida S. 1972. Physiological aspects of grain yield. Annual Review of Plant Physiology, 23, 437-464 Zhang X. 1991. Ecological Breeding of Rice. China Agriculture Press, Beijing, China. (in Chinese) Zou J S, Yao K M, Lü C G, Hu X Q. 2003. Study on individual plant type character of Liangyoupeijiu rice. Acta Agronomic Sinica, 29, 652-657. (in Chinese) |
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