Determination of Optimum Gamma Ray Irradiation Doses for Hulless Barley (Hordeum vulgare var. nudum L. Hook. f.) Genotypes
Year 2023,
, 219 - 230, 30.06.2023
Namuk Ergün
,
Güray Akdogan
,
Saime Ünver İkincikarakaya
,
Sinan Aydoğan
Abstract
The limited germplasm resources of hulless barley restrict the breeding of hulless barley with improved traits. Mutation techniques are an effective tool for generating variation for plant breeding studies. This study aimed to evaluate the impact of gamma-ray at different doses on certain seedling properties of M1 plants of two hulless barley genotypes, as well as determine the effective dose (ED50). The seeds of two hulless two-row barley genotypes, cv. Yalin and hulless barley line YAA7050-14, were irradiated with 100, 150, 200, 250, and 300 gray Gamma-rays delivered by a Cobalt 60 source along with non-irradiated control samples. Gamma-ray irradiation affects the seedling properties of M1 plants of both hulless barley genotypes significantly. The significant effect varied based on the doses, traits, and genotypes. While lower doses were found statistically identical to the control in the majority of qualities in the M1 generation, 250-300 gray gamma ray doses caused statistically significant decreases in the majority of characteristics studied in both genotypes. The effective doses (ED50) for hulless barley genotypes were determined by plotting growth reduction values of seedling lengths, then the polynomial regression equations were calculated for each genotype. It was determined that 50% growth reduction in shoot length was reached at 214.1 Gy and 253.4 Gy for cv. Yalin and line YAA7050-14, respectively.
Thanks
The authors would like to thank Dr. Ali Senay from the Ankara Nuclear Research and Training Center, Turkish Atomic Energy Agency for his contribution in gamma irradiation. We are also grateful to the Central Research Institute of Field Crops for providing greenhouse and other research facilities.
References
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- Beyaz, R., Telci Kahramanogullari, C., Yildiz, C., Darcin, E.S. & Yildiz, M. (2016). The effect of gamma radiation on seed germination and seedling growth of Lathyrus chrysanthus Boiss. under in vitro conditions. Journal of Environmental Radioactivity, 162-163, 129-133.
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- Borzouei, A, Kafi, M., Khazaei, H., Naseriyan, B. & Majdabadi, A. (2010). Effects of gamma radiation on germination and physiological aspects of wheat (Triticum aestivum L.) seedlings. Pakistan Journal of Botany., 42(4), 2281-2290.
- Chaudhary, J., Deshmukh, R. & Sonah, H. (2019). Mutagenesis approaches and their role in crop improvement. Plants, 8(11), 467. doi:10.3390/plants8110467
- Çiftçi, C.Y. & Şenay, A. (2005). Effect of seperate and combined treatments of different doses of gamma rays and EMS on durum wheat (Tritium durum Desf.) in M1 generations. Journal of Central Research Institute for Field Crops, 14(1-2), 41-49.
- Dickin, E., Steele, K., Edwards-Jones, G., & Wright, D. (2012). Agronomic diversity of naked barley (Hordeum vulgare L.): a potential resource for breeding new food barley for Europe. Euphytica, 184, 85-99.
- Du, F., Guan, C., & Jiao, Y. (2018). Molecular mechanisms of leaf morphogenesis. Molecular Plant., 11(9), 1117-1134. doi: 10.1016/j.molp.2018.06.006
- Duan, R., Xiong, H., Wang, A. & Chen, G. (2015). Molecular mechanisms underlying hull-caryopsis adhesion/separation revealed by comparative transcriptomic analysis of covered/naked barley (Hordeum vulgare L.). International Journal of Molecular Sciences, 16, 14181-14193.
- Dyulgerova, B. & Dyulgerov, N. (2020). Evaluation of hulless mutants of winter barley.
Agriculturae Conspectus Scientificus, 85(3), 203-209.
- Eroğlu, Y., Eroğlu, H.E. & İlbaş, A.İ. (2007). Gamma ray reduces mitotic index in embryonic roots of Hordeum vulgare L. Advances in Biological Research, 1(1-2), 26-28.
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- Gorbatova, I.V., Kazakova, E.A., Podlutskii, M.S., Pishenin, I.A., Bondarenko, V.S., Dontsova, A.A., Dontsov, D.P., Snegirev, A.S., Makarenko, E.S., Bitarishvili, S.V., Lychenkova, M.A., Chizh, T.V. & Volkova, P.Y. (2020). Studying gene expression in irradiated barley cultivars: PM19L-like and CML31-like expression as possible determinants of radiation hormesis effect. Agronomy, 10(11), 1837. https://doi.org/10.3390/agronomy10111837
- Grover, S. & Khan, A.S. (2014). Effect of ionizing radiation on some characteristics of seeds of wheat. International Journal of Scientific & Technology Research. 3(4),32-39.
- Hong, M.J., Kim, D.Y., Jo, Y.D., Choi, H.-I., Ahn, J.-W., Kwon, S.-J., Kim, S.H., Seo, Y.W., & Kim, J.-B. (2022). Biological effect of gamma rays according to exposure time on germination and plant growth in wheat. Applied Sciences, 12, 3208. https://doi.org/10.3390/app12063208
- Hussien, A., Tavakol, E., Horner, D.S., Muñoz-Amatriaín, M., Muehlbauer, G.J. & Rossini, L. (2014). Genetics of tillering in rice and barley. The Plant Genome, 7(1), 1-20.
- İlbaş, A.İ, Eroğlu,Y. & Eroğlu H.E. (2006). Effects of dosages and application periods of EDTA on morphological and cytogenetic characters of barley (Hordeum vulgare L.) seedlings. Turkish Journal of Biology, 30(2), 59 - 63.
- Jalal, A., Oliveira, J.J.C., Ribeiro, J.S., Fernandes, G.C., Mariano, G.G., Trindade, V.D.R. & Reis, A.R. (2021). Hormesis in plants: Physiological and biochemical responses. Ecotoxicology and Environmental Safety, 207(111225).
- Khah, M.A. & Verma, R.C. (2015). Assessment of the effects of gamma radiations on various morphological and agronomic traits of common wheat (Triticum aestivum L.) var. WH-147, European Journal of Experimental Biology, 5(7), 6-11.
- Kiong, P., Ling, A., Lai, A.G., Hussein, S. & Harun, A.R. (2008). Physiological responses of Orthosiphon stamineus plantles to gamma irradiation. American-Eurasian Journal of Sustainable Agriculture, 2(2), 135-149.
- Kodym, A., Afza, R., Forster, B.P., Ukai, Y. & Nakagawa, H. (2012). Methodology for physical and chemical mutagenic treatments. In Shu, Q.Y., Forster, B.F., & Nakagawa, H. (Eds.), Plant mutation breeding and biotechnology (pp. 169–180). CABI, FAO, Oxfordshire, UK.
- Małkowski, E., Sitko, K., Szopiński, M., Gieroń, Ż., Pogrzeba, M., Kalaji, H.M., & Zieleźnik-Rusinowska, P. (2020). Hormesis in plants: The role of oxidative stress, auxins and photosynthesis in corn treated with Cd or Pb. International Journal of Molecular Sciences, 21(6):2099.
- Maluszynski, M., Szarejko, I., Bhatia, R., Nichterlein, K. & Lagoda, P.J.L. (2009) Mutation techniques. In Guimares, E., Ceccarelli, S., Weltzein, E. & Rajendran, P.G. (Eds.), Plant breeding book (pp. 159-194). FAO, Rome.
- Marzec, M. & Alqudah, A.M. (2018). Key hormonal components regulate agronomically important traits in barley. Int. J. Mol. Sci., 19(795), 1-12. doi: 10.3390/ijms19030795
- Meints, B., Vallejos, C., & Hayes, P. (2021). Multi-Use Naked Barley: A New Frontier. Journal of Cereal Science, 102(103370). https://doi.org/10.1016/j.jcs.2021.103370
- Mok, D.W. & Mok, M.C. 2001. Cytokinin metabolism and action. Annual Review of Plant Physiology and Plant Molecular Biology, 52(1), 89-118.
- Montgomery D.C. (2013). Design and Analysis of Experiments.(Eighth edition). John Wiley & Sons, Inc.
- Navid, S., Soufizadeh, S., Jahansuz, M. & Eskandari, A. (2021). Gamma radiation influence on germination characteristics of barley. DYSONA-Applied Science, 2(1), 8-12.
- Nazarenko, M.M. & Lykholat, T.Y. (2020). Variability at winter wheat varieties first generation which obtained mutagen action. Ecology and Noospherology, 31(2), 77-81.
- Olgun, M,, Ayter, N.G., Kutlu, İ. & Budak Başçiftçi, Z. (2012). The effects of different gamma-ray doses on seedling growth of bread wheats. Süleyman Demirel University Journal of Faculty of Agriculture, 7(2), 73-80.
- Oney-Birol, S. & Balkan, A. (2019). Detection of cytogenetic and genotoxic effects of gamma radiation on M1 generation of three varieties of Triticum aestivum L. Pakistan Journal of Botany, 51, 887-894.
- Rozman, L. (2015). The effect of gamma radiation on seed germination of barley (Hordeum vulgare L.). Acta Agriculturae Slovenica, 103(2), 307-311.
- Sarduie-Nasab, S., Sharifi-Sirchi, G.R. & Torabi-Sirchi, M.H. (2010). Assessment of dissimilar gamma irradiations on barley (Hordeum vulgare spp.) Journal of Plant Breeding and Crop Science, 2(4), 59-63.
- Shaveta, H. K. & Simarjit, K. (2019). Hulless barley: A new era of research for food purposes. Journal of Cereal Research, 11(2): 114-124
- Singh, B., Ahuja, S., Singhal, R.K. & Venu Babu, P. (2013). Effect of gamma radiation on wheat plant growth due to impact on gas exchange characteristics and mineral nutrient uptake and utilization. Journal of Radioanalytical and Nuclear Chemistry, 298, 249-257.
- Stoilov, L., Georgieva, M., Manova, V., Liu, L., & Gecheff, K. (2012). Karyotype reconstruction modulates the sensitivity of barley genome to radiation-induced DNA and chromosomal damage. Mutagenesis, 28(2), 153-160.
- Suprasanna, P., Mirajkar, S.J. & Bhagwat, S.G. (2015). Induced mutations and crop improvement. In Bahadur, B., Venkat Rajam, M., Sahijram, L. & Krishnamurthy K. (Eds.), Plant Biology and Biotechnology (pp. 593-616), Springer, New Delhi.
- Ullrich, S.E. (2011). Significance, adaptation, production, and trade of barley. In Ullrich, S.E (Ed.), Barley (pp. 3-13), Blackwell Publishing Ltd., Chichester, UK.
- Volkova, P.Y., Duarte, G.T., Soubigou‐Taconnat, L., Kazakova, E.A., Pateyron, S., Bondarenko, V. S., Bitarishvili, S.V., Makarenko, E.S., Churyukin, R.S., Lychenkova, M.A., Gorbatova, I.V., Meyer, C. & Geras’kin, S.A. (2019). Early response of barley embryos to low and high dose gamma irradiation of seeds triggers changes in the transcriptional profile and an increase in hydrogen peroxide content in seedlings. Journal of Agronomy and Crop Science, 206(2), 277-295.
- Wang, J. & Yu, Y. (2011). Effect of gamma irradiation pretreatment on embryo structure and long-term germinating characteristics of rice seed. International Agrophysics, 25, 383-388.
- Wang, H., Chen, W., Eggert, K., Charnikhova, T., Bouwmeester, H., Schweizer, P., Hajirezaei, M.R., Seiler, C., Sreenivasulu, N., von Wirén, N. & Kuhlmann, M. (2018). Abscisic acid influences tillering by modulation of strigolactones in barley. Journal of Experimental Botany, 69(16), 3883-3898.
- Yamaguchi, H., Shimizu, A., Degi, K. & Morishita, T. (2008). Effects of dose and dose rate of gamma ray irradiation on mutation induction and nuclear DNA content in chrysanthemum. Breeding Science. 58 (3), 331-335
- Ye, L., Wang, Y., Long, L., Luo, H., Shen, Q., Broughton, S.,Wu, D., Shu, X.,Dai, F., Li, C. & Zhang, G. (2019). A trypsin family protein gene controls tillering and leaf shape in barley. Plant Physiology, 181(2), 701-713. doi: 10.1104/pp.19.00717
Year 2023,
, 219 - 230, 30.06.2023
Namuk Ergün
,
Güray Akdogan
,
Saime Ünver İkincikarakaya
,
Sinan Aydoğan
References
- Ahloowalia, B., Maluszynski, M. & Nichterlein, K. (2004). Global impact of mutation-derived varieties. Euphytica, 135, 187-204.
- Ahumada-Flores, S., Briceño-Zamora, M., García-Montoya, J., López-Cázarez, C., Pereo-Galvez, A., Parra-Cota, F. & de Los Santos-Villalobos, S. (2020). Gamma radiosensitivity study on wheat (Triticum turgidum ssp. durum). Open Agriculture, 5(1), 558-562. https://doi.org/10.1515/opag-2020-0057
- Alghamdi, S.S., Migdadi, H.M., Al-fifi, S.A. & Ammar, M.H. (2010). Evaluation of critical dose for mutagenic treatments of barley varieties with N-nitroso-N-methyl urea (NMU). Environ. We International Journal Science and Technology, 5, 13-25.
- Başer, İ., Korkut, K.Z. & Bilgin, O. (2005). Effects on variations in M1 generation of durum wheat (T. durum Thell) by induced mutagen. Journal of Tekirdag Agricultural Faculty, 2(1) , 60-72.
- Beyaz, R., Telci Kahramanogullari, C., Yildiz, C., Darcin, E.S. & Yildiz, M. (2016). The effect of gamma radiation on seed germination and seedling growth of Lathyrus chrysanthus Boiss. under in vitro conditions. Journal of Environmental Radioactivity, 162-163, 129-133.
- Bitarishvili, S.V., Volkova, P. Y., & Geras’kin, S. A. (2018). γ-Irradiation of barley seeds and its effect on the phytohormonal status of seedlings. Russian Journal of Plant Physiology, 65(3), 446-454.
- Borzouei, A, Kafi, M., Khazaei, H., Naseriyan, B. & Majdabadi, A. (2010). Effects of gamma radiation on germination and physiological aspects of wheat (Triticum aestivum L.) seedlings. Pakistan Journal of Botany., 42(4), 2281-2290.
- Chaudhary, J., Deshmukh, R. & Sonah, H. (2019). Mutagenesis approaches and their role in crop improvement. Plants, 8(11), 467. doi:10.3390/plants8110467
- Çiftçi, C.Y. & Şenay, A. (2005). Effect of seperate and combined treatments of different doses of gamma rays and EMS on durum wheat (Tritium durum Desf.) in M1 generations. Journal of Central Research Institute for Field Crops, 14(1-2), 41-49.
- Dickin, E., Steele, K., Edwards-Jones, G., & Wright, D. (2012). Agronomic diversity of naked barley (Hordeum vulgare L.): a potential resource for breeding new food barley for Europe. Euphytica, 184, 85-99.
- Du, F., Guan, C., & Jiao, Y. (2018). Molecular mechanisms of leaf morphogenesis. Molecular Plant., 11(9), 1117-1134. doi: 10.1016/j.molp.2018.06.006
- Duan, R., Xiong, H., Wang, A. & Chen, G. (2015). Molecular mechanisms underlying hull-caryopsis adhesion/separation revealed by comparative transcriptomic analysis of covered/naked barley (Hordeum vulgare L.). International Journal of Molecular Sciences, 16, 14181-14193.
- Dyulgerova, B. & Dyulgerov, N. (2020). Evaluation of hulless mutants of winter barley.
Agriculturae Conspectus Scientificus, 85(3), 203-209.
- Eroğlu, Y., Eroğlu, H.E. & İlbaş, A.İ. (2007). Gamma ray reduces mitotic index in embryonic roots of Hordeum vulgare L. Advances in Biological Research, 1(1-2), 26-28.
- FAO/IAEA. (2018). Manual on Mutation Breeding - Third edition. Spencer-Lopes, M.M., Forster, B.P. & Jankuloski, L. (Eds.), Food and Agriculture Organization of the United Nations. Rome, Italy. 301 pp.
- FAOSTAT, (2022). Crops and livestock products. https://www.fao.org/faostat/en/#data/QCL. Access date: 06.02.2023
- Forster, B.P. & Shu, Q.Y. (2012). Plant mutagenesis in crop improvement: Basic terms and applications. In Shu, Q.Y., Forster, B.P. & Nakagawa, H. (Eds.), Plant mutation breeding and biotechnology (pp. 9-20). Food and Agriculture Organization Rome.
- Franckowiack, J. & Konishi, T. (1997). Naked caryopsis. Barley Genetic Newsletter, 26, 51-52.
- Freund, R.J., Wilson, W.J., & Sa, P. (2006). Regression Analysis, Statistical Modeling of a Response Variable. (Second Edition), Elsevier.
- Geçit, H.H. (2016). Serin İklim Tahılları (Buğday, Arpa, Yulaf, Çavdar, Triticale) 1. Baskı, (In Turkish) Ankara Üniversitesi Ziraat Fakültesi Yayınları, Yayın No :1640, 822, Ankara.
- Geras’kin, S., Churyukin, R. & Volkova, P. (2017). Radiation exposure of barley seeds can modify the early stages of plants’ development. Journal of Environmental Radioactivity, 177, 71-83.
- Gorbatova, I.V., Kazakova, E.A., Podlutskii, M.S., Pishenin, I.A., Bondarenko, V.S., Dontsova, A.A., Dontsov, D.P., Snegirev, A.S., Makarenko, E.S., Bitarishvili, S.V., Lychenkova, M.A., Chizh, T.V. & Volkova, P.Y. (2020). Studying gene expression in irradiated barley cultivars: PM19L-like and CML31-like expression as possible determinants of radiation hormesis effect. Agronomy, 10(11), 1837. https://doi.org/10.3390/agronomy10111837
- Grover, S. & Khan, A.S. (2014). Effect of ionizing radiation on some characteristics of seeds of wheat. International Journal of Scientific & Technology Research. 3(4),32-39.
- Hong, M.J., Kim, D.Y., Jo, Y.D., Choi, H.-I., Ahn, J.-W., Kwon, S.-J., Kim, S.H., Seo, Y.W., & Kim, J.-B. (2022). Biological effect of gamma rays according to exposure time on germination and plant growth in wheat. Applied Sciences, 12, 3208. https://doi.org/10.3390/app12063208
- Hussien, A., Tavakol, E., Horner, D.S., Muñoz-Amatriaín, M., Muehlbauer, G.J. & Rossini, L. (2014). Genetics of tillering in rice and barley. The Plant Genome, 7(1), 1-20.
- İlbaş, A.İ, Eroğlu,Y. & Eroğlu H.E. (2006). Effects of dosages and application periods of EDTA on morphological and cytogenetic characters of barley (Hordeum vulgare L.) seedlings. Turkish Journal of Biology, 30(2), 59 - 63.
- Jalal, A., Oliveira, J.J.C., Ribeiro, J.S., Fernandes, G.C., Mariano, G.G., Trindade, V.D.R. & Reis, A.R. (2021). Hormesis in plants: Physiological and biochemical responses. Ecotoxicology and Environmental Safety, 207(111225).
- Khah, M.A. & Verma, R.C. (2015). Assessment of the effects of gamma radiations on various morphological and agronomic traits of common wheat (Triticum aestivum L.) var. WH-147, European Journal of Experimental Biology, 5(7), 6-11.
- Kiong, P., Ling, A., Lai, A.G., Hussein, S. & Harun, A.R. (2008). Physiological responses of Orthosiphon stamineus plantles to gamma irradiation. American-Eurasian Journal of Sustainable Agriculture, 2(2), 135-149.
- Kodym, A., Afza, R., Forster, B.P., Ukai, Y. & Nakagawa, H. (2012). Methodology for physical and chemical mutagenic treatments. In Shu, Q.Y., Forster, B.F., & Nakagawa, H. (Eds.), Plant mutation breeding and biotechnology (pp. 169–180). CABI, FAO, Oxfordshire, UK.
- Małkowski, E., Sitko, K., Szopiński, M., Gieroń, Ż., Pogrzeba, M., Kalaji, H.M., & Zieleźnik-Rusinowska, P. (2020). Hormesis in plants: The role of oxidative stress, auxins and photosynthesis in corn treated with Cd or Pb. International Journal of Molecular Sciences, 21(6):2099.
- Maluszynski, M., Szarejko, I., Bhatia, R., Nichterlein, K. & Lagoda, P.J.L. (2009) Mutation techniques. In Guimares, E., Ceccarelli, S., Weltzein, E. & Rajendran, P.G. (Eds.), Plant breeding book (pp. 159-194). FAO, Rome.
- Marzec, M. & Alqudah, A.M. (2018). Key hormonal components regulate agronomically important traits in barley. Int. J. Mol. Sci., 19(795), 1-12. doi: 10.3390/ijms19030795
- Meints, B., Vallejos, C., & Hayes, P. (2021). Multi-Use Naked Barley: A New Frontier. Journal of Cereal Science, 102(103370). https://doi.org/10.1016/j.jcs.2021.103370
- Mok, D.W. & Mok, M.C. 2001. Cytokinin metabolism and action. Annual Review of Plant Physiology and Plant Molecular Biology, 52(1), 89-118.
- Montgomery D.C. (2013). Design and Analysis of Experiments.(Eighth edition). John Wiley & Sons, Inc.
- Navid, S., Soufizadeh, S., Jahansuz, M. & Eskandari, A. (2021). Gamma radiation influence on germination characteristics of barley. DYSONA-Applied Science, 2(1), 8-12.
- Nazarenko, M.M. & Lykholat, T.Y. (2020). Variability at winter wheat varieties first generation which obtained mutagen action. Ecology and Noospherology, 31(2), 77-81.
- Olgun, M,, Ayter, N.G., Kutlu, İ. & Budak Başçiftçi, Z. (2012). The effects of different gamma-ray doses on seedling growth of bread wheats. Süleyman Demirel University Journal of Faculty of Agriculture, 7(2), 73-80.
- Oney-Birol, S. & Balkan, A. (2019). Detection of cytogenetic and genotoxic effects of gamma radiation on M1 generation of three varieties of Triticum aestivum L. Pakistan Journal of Botany, 51, 887-894.
- Rozman, L. (2015). The effect of gamma radiation on seed germination of barley (Hordeum vulgare L.). Acta Agriculturae Slovenica, 103(2), 307-311.
- Sarduie-Nasab, S., Sharifi-Sirchi, G.R. & Torabi-Sirchi, M.H. (2010). Assessment of dissimilar gamma irradiations on barley (Hordeum vulgare spp.) Journal of Plant Breeding and Crop Science, 2(4), 59-63.
- Shaveta, H. K. & Simarjit, K. (2019). Hulless barley: A new era of research for food purposes. Journal of Cereal Research, 11(2): 114-124
- Singh, B., Ahuja, S., Singhal, R.K. & Venu Babu, P. (2013). Effect of gamma radiation on wheat plant growth due to impact on gas exchange characteristics and mineral nutrient uptake and utilization. Journal of Radioanalytical and Nuclear Chemistry, 298, 249-257.
- Stoilov, L., Georgieva, M., Manova, V., Liu, L., & Gecheff, K. (2012). Karyotype reconstruction modulates the sensitivity of barley genome to radiation-induced DNA and chromosomal damage. Mutagenesis, 28(2), 153-160.
- Suprasanna, P., Mirajkar, S.J. & Bhagwat, S.G. (2015). Induced mutations and crop improvement. In Bahadur, B., Venkat Rajam, M., Sahijram, L. & Krishnamurthy K. (Eds.), Plant Biology and Biotechnology (pp. 593-616), Springer, New Delhi.
- Ullrich, S.E. (2011). Significance, adaptation, production, and trade of barley. In Ullrich, S.E (Ed.), Barley (pp. 3-13), Blackwell Publishing Ltd., Chichester, UK.
- Volkova, P.Y., Duarte, G.T., Soubigou‐Taconnat, L., Kazakova, E.A., Pateyron, S., Bondarenko, V. S., Bitarishvili, S.V., Makarenko, E.S., Churyukin, R.S., Lychenkova, M.A., Gorbatova, I.V., Meyer, C. & Geras’kin, S.A. (2019). Early response of barley embryos to low and high dose gamma irradiation of seeds triggers changes in the transcriptional profile and an increase in hydrogen peroxide content in seedlings. Journal of Agronomy and Crop Science, 206(2), 277-295.
- Wang, J. & Yu, Y. (2011). Effect of gamma irradiation pretreatment on embryo structure and long-term germinating characteristics of rice seed. International Agrophysics, 25, 383-388.
- Wang, H., Chen, W., Eggert, K., Charnikhova, T., Bouwmeester, H., Schweizer, P., Hajirezaei, M.R., Seiler, C., Sreenivasulu, N., von Wirén, N. & Kuhlmann, M. (2018). Abscisic acid influences tillering by modulation of strigolactones in barley. Journal of Experimental Botany, 69(16), 3883-3898.
- Yamaguchi, H., Shimizu, A., Degi, K. & Morishita, T. (2008). Effects of dose and dose rate of gamma ray irradiation on mutation induction and nuclear DNA content in chrysanthemum. Breeding Science. 58 (3), 331-335
- Ye, L., Wang, Y., Long, L., Luo, H., Shen, Q., Broughton, S.,Wu, D., Shu, X.,Dai, F., Li, C. & Zhang, G. (2019). A trypsin family protein gene controls tillering and leaf shape in barley. Plant Physiology, 181(2), 701-713. doi: 10.1104/pp.19.00717