EVALUATION OF SALT TOLERANCE OF SUGARCANE (SACCHARUM OFFICINARUM L.) GENOTYPES BASED ON THE ABILITY TO REGULATE ION UPTAKE AND TRANSPORT AT EARLY STAGE OF GROWTH

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SOLTANI HOVEYZEH MAHDI; MIRMOHAMMADI MEYBODI S.A.M.; ARZANI A.

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Journal: Journal of Water and Soil Science Year:2008 | Volume:11 | Issue:42 (A) Page(s): 56-67

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Title

EVALUATION OF SALT TOLERANCE OF SUGARCANE (SACCHARUM OFFICINARUM L.) GENOTYPES BASED ON THE ABILITY TO REGULATE ION UPTAKE AND TRANSPORT AT EARLY STAGE OF GROWTH

Author(s)

SOLTANI HOVEYZEH MAHDI | MIRMOHAMMADI MEYBODI S.A.M. | ARZANI A. | Issue Writer Certificate

Keywords

SUGARCANEQ2

SALINITYQ2

SODIUMQ2

CHLORIDEQ2

POTASSIUMQ2

CALCIUMQ3

Abstract

SUGARCANE is one of the most important sugar crops in the world. Because of semi-arid climate and SALINITY of its cultivation area in our country, increasing salt tolerance of SUGARCANE is signifying. To achieve this goal determining salt tolerant cultivars and understanding SALINITY mechanisms in SUGARCANE are very important. This study was conducted to evaluate 8 commercial and promising SUGARCANE cultivars at early stage of growth. A complete randomized design with three replicates and four SALINITY treatments (0, 0.25, 0.5, 0.75 % NaCl) was used in a hydroponics system. The effect of SALINITY on absorption, transport and accumulation of Na+, Cl- , K+ and Ca2+ ions in shoot and root was determined. At high level salt concentration, Cl- content in shoot and root increased. Result showed that SODIUM accumulation in SUGARCANE plants was more than POTASSIUM. By increasing SALINITY level, SODIUM uptake and its translocation to shoots increased reducing growth and dry matter yield of plants. With rising salt concentration from medium (0.5%) to high (0.75%), content of CHLORIDE in shoot and root of NCO-310 was constant showed that this cultivar had genetic ability to avoid Cl- uptake. CP82-1592 with lowest ratio of shoot / root CHLORIDE had minimum transport of Cl- to shoots. Also this cultivar had high content of Ca2+ in shoot and low Na+/Ca2+ ratio at all SALINITY levels. CP48-103 had low SODIUM in shoot and relatively low SODIUM in root. Thus it probably has genetic potential to avoid SODIUM uptake. At last, exclusion of Na+ and Cl- to older leaves and tillers was seen in CP82-1592 and CP72-2086 cultivars. According to results, to avoid once of absorption and transport, and exclusion of harmful Na+ and Cl- ions were mechanisms that could be used in SALINITY tolerance of SUGARCANE.

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APA: Copy

SOLTANI HOVEYZEH, MAHDI, MIRMOHAMMADI MEYBODI, S.A.M., & ARZANI, A.. (2008). EVALUATION OF SALT TOLERANCE OF SUGARCANE (SACCHARUM OFFICINARUM L.) GENOTYPES BASED ON THE ABILITY TO REGULATE ION UPTAKE AND TRANSPORT AT EARLY STAGE OF GROWTH. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 11(42 (A)), 56-67. SID. https://sid.ir/paper/14994/en

Vancouver: Copy

SOLTANI HOVEYZEH MAHDI, MIRMOHAMMADI MEYBODI S.A.M., ARZANI A.. EVALUATION OF SALT TOLERANCE OF SUGARCANE (SACCHARUM OFFICINARUM L.) GENOTYPES BASED ON THE ABILITY TO REGULATE ION UPTAKE AND TRANSPORT AT EARLY STAGE OF GROWTH. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2008;11(42 (A)):56-67. Available from: https://sid.ir/paper/14994/en

IEEE: Copy

MAHDI SOLTANI HOVEYZEH, S.A.M. MIRMOHAMMADI MEYBODI, and A. ARZANI, “EVALUATION OF SALT TOLERANCE OF SUGARCANE (SACCHARUM OFFICINARUM L.) GENOTYPES BASED ON THE ABILITY TO REGULATE ION UPTAKE AND TRANSPORT AT EARLY STAGE OF GROWTH,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 11, no. 42 (A), pp. 56–67, 2008, [Online]. Available: https://sid.ir/paper/14994/en

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