biologia plantarum

International journal on Plant Life established by Bohumil Nìmec in 1959

Biologia plantarum 64:529-534, 2020 | DOI: 10.32615/bp.2019.129

A rapid translocation of photoassimilates from source organs maintains grain yield in cowpea subjected to drought stress during grain filling

C. EGASHIRA, Y. HASHIGUCHI, E. KURAUCHI, Y. TATSUMI, A.C.S. NAKAGAWA, N. HAMAOKA, T. YUASA†, M. IWAYA-INOUE, Y. ISHIBASHI*
Crop Science Laboratory, Faculty of Agriculture, Kyushu University, Nishi-ku, Fukuoka 819-0395, Japan

We examined the influence of drought stress during grain filling on grain yield to investigate changes in assimilates in sink and source organs. When plants were subjected to drought stress from the start of grain filling until harvest, the photosynthetic rate rapidly decreased. Grain dry mass during maturation was not significantly different between the control and drought-stressed plants. Under drought stress conditions, starch content in source organs (peduncle, leaf, petiole, stem, and root) was significantly lower than in corresponding organs of control plants; the greatest difference was seen in leaves. Consistent with this observation, α- and β-amylase activities in leaves significantly increased within the first 6 d of drought stress. We conclude that in cowpea subjected to drought stress during grain filling, the grain yield is maintained, despite a dramatic decrease in photosynthetic rate, by translocation of photoassimilates from source organs.

Keywords: α- and β-amylase, photosynthetic rate, starch, Vigna unguiculata.

Received: August 22, 2019; Revised: October 16, 2019; Accepted: October 22, 2019; Published online: July 30, 2020  Show citation

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EGASHIRA, C., HASHIGUCHI, Y., KURAUCHI, E., TATSUMI, Y., NAKAGAWA, A.C.S., HAMAOKA, N., YUASA, T., & IWAYA-INOUE ISHIBASHI, M.Y. (2020). A rapid translocation of photoassimilates from source organs maintains grain yield in cowpea subjected to drought stress during grain filling. Biologia plantarum, 64, Article 529-534. https://doi.org/10.32615/bp.2019.129
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    References

    1. Bates, L.M., Hall, A.E.: Stomatal closure with soil water depletion not associated with changes in bulk leaf water status. - Oecologia 50: 62-65, 1981. Go to original source...
    2. Boutraa, T., Sanders, F.E.: Influence of water stress on grain yield and vegetative growth of two cultivars of bean (Phaseolus vulgaris L.). - J. Agron. Crop Sci. 187: 251-257, 2001. Go to original source...
    3. Boyer, J.S.: Plant productivity and environment. - Science 218: 443-448, 1982. Go to original source...
    4. Bray, E.A., Bailey-Serres, J., Weretilnyk, E.: Responses to abiotic stresses. - In: Gruissem, W., Buchannan, B., Jones, R., (ed.): Biochemistry and Molecular Biology of Plants. Pp. 1158-1249. American Society of Plant Physiologists, Rockville 2000.
    5. Brevedan, R.E., Egli, D.B.: Short periods of water stress during seed filling, leaf senescence and yield of soybean. - Crop Sci. 43: 2083-2088, 2003. Go to original source...
    6. Davies, S.L., Turner, N.C., Palta, J.A., Siddique, K.H.M., Plummer, J.A.: Remobilization of carbon and nitrogen supports seed filling in chickpea subjected to water deficit. - Aust. J. agr. Res. 51: 855-866, 2000. Go to original source...
    7. Fussell, L.K., Bidinger, F.R., Bieler, P.: Crop physiology and breeding for drought tolerance: research and development. Field Crops Res. 27: 183-199, 1991. Go to original source...
    8. Hiler, E.A, Van Babel C.H.M., Hossain M.M., Jordan W.R.: Sensitivity of southern peas to plant water deficit at three growth stages. - Agron. J. 64: 60-64, 1972. Go to original source...
    9. Imamura, M., Egashira, C., Ishinabshi, Y., Iwaya-Inoue, M.: Characteristics of water-related parameters of roots, leaves and hypocotyls in cowpea under drought stress compared with common bean. - Cryobiol. Cryotechnol. 56: 43-49, 2010.
    10. Jacobsen, J.V., Hanson, A.D., Chandler, P.C.: Water stress enhances expression of an α-amylase gene in barley leaves. - Plant Physiol. 80: 350-359, 1986. Go to original source...
    11. Kaplan, F., Guy, C.L.: RNA interference of Arabidopsis beta-amylase8 prevents maltose accumulation upon cold shock and increases sensitivity of PS II photochemical efficiency to freezing stress. - Plant J. 44: 730-743, 2005. Go to original source...
    12. Lao, N.T., Schoneveld, O., Mould, R.M., Hibberd, J.M., Gray, J.C., Kavanagh T.A.: An Arabidopsis gene encoding a chloroplast-targeted β-amylase. - Plant J. 20: 519-527, 1999. Go to original source...
    13. Liu, F.L., Andersen, M.N., Jensen, C.R.: Loss of pod set caused by drought stress is associated with water status and ABA content of reproductive structures in soybean. - Funct. Plant Biol. 30: 271-280, 2003. Go to original source...
    14. Muchero, W., Ehlers, J.D., Roberts, P.A.: Seedling stage drought-induced phenotypes and drought-responsive genes in diverse cowpea genotypes. - Crop Sci. 48: 541-552, 2008. Go to original source...
    15. Ogbonnaya, C.I., Sarr, B., Brou, C., Diouf, O., Diop, N.N., Roy-Macauley, H.: Selection of cowpea genotypes in hydroponics, pots and field for drought tolerance. - Crop Sci. 43: 1114-1120, 2003. Go to original source...
    16. Osonubi, O.: Responses of cowpeas (Vigna unguiculata (L.) Walp.) to progressive soil drought. - Oecologia 66: 554-557, 1985. Go to original source...
    17. Pate, J.S., Peoples, M.B., Atkins, C.A.: Post-anthesis economy of carbon in a cultivar of cowpea. - J. exp. Bot. 34: 544-562, 1983. Go to original source...
    18. Phan, T., Ishibashi, Y., Miyazaki, M., Huong, T., Okamura, K., Tanaka, S., Nakamura, J., Yuasa, T., Iwaya-Inoue M.: High temperature-induced repression of the rice sucrose transporter (OsSUT1) and starch synthesis-related genes in sink and source organs at milky ripening stage causes chalky grains. - J. Agron. Crop Sci. 199: 178-188, 2013. Go to original source...
    19. Saito, K., Mahmood, T., Kuroda, T.: Effect of moisture stress at different growth stages on flowering and pot set in determinate and indeterminate soybean cultivars. - Jap. J. Crop Sci. 68: 537-544, 1999. Go to original source...
    20. Sakamoto, T., Hashiguchi, Y., Kurauchi, E., Imamura, M., Ishibashi, Y., Muranaka, S., Yuasa, T., Iwaya-Inoue, M.: Causative factors of decreasing flower number in cowpea under drought stress during flowering stage. - Cryobiol. Cryotechnol. 58: 81-85, 2012.
    21. Shouse, P., Dasberg, S., Jury, W.A., Stolzy, L.H.: Water deficit effects on water potential, yield and water use of cowpeas. - Agron. J. 73: 333-336, 1981. Go to original source...
    22. Todaka, D., Matsushima, H., Morohashi, Y.: Water stress enhances β-amylase activity in cucumber cotyledons. - J. exp. Bot. 51: 739-745, 2000. Go to original source...
    23. Turk, K.J., Hall, A.E., Asbell, C.W.: Drought adaptation of cowpea. I. Influence of drought on seed yield. - Agron. J. 72: 413-420, 1980. Go to original source...
    24. Yang, J.C., Zhang, J.H., Wang, Z.Q., Zhu, Q.S., Wang, W.: Remobilization of carbon reserves in response to water deficit during grain filling of rice. - Field Crops Res. 71: 47-55, 2001a. Go to original source...
    25. Yang, J.C., Zhang, J.H., Wang, Z.Q., Zhu, Q.S.: Activities of starch hydrolytic enzymes and sucrose-phosphate synthase in the stems of rice subjected to water stress during grain filling. - J. exp. Bot. 52: 2169-2179, 2001b. Go to original source...
    26. Yang J.C., Zhang, J.H., Wang, Z.Q., Zhu Q.S., Liu L.J.: Involvement of abscisic acid and cytokinins in the senescence and remobilization of carbon reserves in wheat subjected to water stress during grain filling. - Plant Cell Environ. 26: 1621-1631, 2003. Go to original source...
    27. Yu, T.S., Zeeman, S.C., Thorneycroft, D., Fulton, D.C., Dunstan, H., Lue, W.L., Hegemann, B., Tung, S.Y., Umemoto, T., Chapple, A., Tsai, D.L., Wang, S.M., Smith, A.M., Chen, J., Smith, S.M.: α-Amylase is not required for breakdown of transitory starch in Arabidopsis leaves. - J. biol. Chem. 280: 9773-9779, 2005. Go to original source...

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