INVESTIGATION OF SOLUBLE SUGARS AND PROLINE CONTENT IN NINE ASIAN PEAR (PYRUS SEROTINA) GENOTYPE UNDER DROUGHT STRESS

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JAVIDI KALATEH JAFARABADI T.; ARZANI K.; EBRAHIMZADEH H.

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Journal: IRANIAN JOURNAL OF BIOLOGY Year:2005 | Volume:17 | Issue:4 Page(s): 369-387

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Title

INVESTIGATION OF SOLUBLE SUGARS AND PROLINE CONTENT IN NINE ASIAN PEAR (PYRUS SEROTINA) GENOTYPE UNDER DROUGHT STRESS

Author(s)

JAVIDI KALATEH JAFARABADI T. | ARZANI K. | EBRAHIMZADEH H. | Issue Writer Certificate

Keywords

ASIAN PEAR (PYRUS SEROTINA REHD.)Q4

DROUGHT STRESSQ2

PROLINEQ2

SOLUBLE SUGARQ2

Abstract

Improving the fruit tree germplasm is an important task in Iran in order to use them in the fruit tree breeding program, because Iran is one of the arid and semi-arid regions in the world. However, cultivar introduction and study of stress resistance source in the fruit tree is essential in fruit tree breeding program. This research was carried out on nine Asian pear genotypes (Pyrus serotina Rehd.) that was introduced to Iran by Dept. of Horticulture, Tarbiat Modarres University from Belgium in 1998. The asian pear genotypes are named KS6, KS7, KS8, KS9, KS10, KS11, KS12, KS13 and KS14. Also a native Pear cv. Shah Miveh was used. Three irrigation treatments were applied: control, mild stress and severe stress. The control was irrigated to provide non-stress conditions. In mild DROUGHT STRESS, Plants irrigated when soil water potential reached - 0.5 MPa and in severe DROUGHT STRESS, plants irrigated when soil water potential reached - 1 MPa.Proline content during two years (three times a year) and SOLUBLE SUGAR (four times a year) were measured. PROLINE content was affected by DROUGHT STRESS and genotype. In all cases PROLINE content under DROUGHT STRESS was highest and in control was lowest. Also the differences between PROLINE content in the mild and severe drought treatment was significant. In these treatment PROLINE content in KS6, KS7, KS9 was lower than the other genotypes. SOLUBLE SUGAR increased significantly in the mild and severe DROUGHT STRESS treatment in early stage of the experiment, but this treatment doesn't show any differences significantly.

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APA: Copy

JAVIDI KALATEH JAFARABADI, T., ARZANI, K., & EBRAHIMZADEH, H.. (2005). INVESTIGATION OF SOLUBLE SUGARS AND PROLINE CONTENT IN NINE ASIAN PEAR (PYRUS SEROTINA) GENOTYPE UNDER DROUGHT STRESS. IRANIAN JOURNAL OF BIOLOGY, 17(4), 369-387. SID. https://sid.ir/paper/21392/en

Vancouver: Copy

JAVIDI KALATEH JAFARABADI T., ARZANI K., EBRAHIMZADEH H.. INVESTIGATION OF SOLUBLE SUGARS AND PROLINE CONTENT IN NINE ASIAN PEAR (PYRUS SEROTINA) GENOTYPE UNDER DROUGHT STRESS. IRANIAN JOURNAL OF BIOLOGY[Internet]. 2005;17(4):369-387. Available from: https://sid.ir/paper/21392/en

IEEE: Copy

T. JAVIDI KALATEH JAFARABADI, K. ARZANI, and H. EBRAHIMZADEH, “INVESTIGATION OF SOLUBLE SUGARS AND PROLINE CONTENT IN NINE ASIAN PEAR (PYRUS SEROTINA) GENOTYPE UNDER DROUGHT STRESS,” IRANIAN JOURNAL OF BIOLOGY, vol. 17, no. 4, pp. 369–387, 2005, [Online]. Available: https://sid.ir/paper/21392/en

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