EFFECT OF SALINITY (NaCl) AND SEED PRIMING (CaCl2) ON BIOCHEMICAL PARAMETERS AND BIOLOGICAL YIELD OF WHEAT

被引:6
作者
Khan, Attaullah [1 ]
Shafi, Muhammad [1 ]
Bakht, Jehan [2 ]
Anwar, Shazma [1 ]
Khan, Muhammad Owais [3 ]
机构
[1] Univ Agr, Fac Crop Prod Sci, Dept Agron, Peshawar, Pakistan
[2] Univ Agr, Inst Biotechnol & Genet Engn, Peshawar, Pakistan
[3] Chinese Acad Sci, Res Inst Genet & Dev Biol, Ctr Agr Resources, Yanqibu Campus Beijing, Beijing 101400, Peoples R China
关键词
Salinity; Wheat; CaCl2 seed priming; Biochemical parameters; SORGHUM-BICOLOR L; ZEA-MAYS L; SALT TOLERANCE; CHLOROPHYLL FLUORESCENCE; SALICYLIC-ACID; GROWTH; STRESS; GERMINATION; GENOTYPES; MAIZE;
D O I
10.30848/PJB2021-3(12)
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
The experiment was conducted to validate the effect of salinity (NaCl) and seed priming (CaCl2) on biological yield of wheat. The six wheat varieties (Lalma-13, Pirsabak-05, Atta-Habib-10, Pirsabak-08, Inqilab-91 and Saleem-00) were tested at two seed treatments (un-primed and Primed with 50 mM CaCl2) and four salinity regimes (0, 3, 6 and 9 dSm(-1)) in soil culture. The seed priming and salinity has significantly (p <= 0.05) affected physiological, biochemical parameters and biological yield of wheat varieties. Wheat variety (Pirsabak-05) was tolerant in saline environment in term of producing highest shoot chlorophyll a and b content (1.60 and1.03 mg g(-1) fresh weight), shoot proline content (118.20 mu g g(-1) fresh weight), shoot K+ content (1.23 mg g(-1) dry weight), shoot and root Ca++ content (0.76 and 0.58 mg g-1 dry weight), biological yield (12.46 g plant-1), and lowest shoot Na+ (1.11 mg g(-1) dry weight) & Na+/K+ ratio (1.03).Saleem-00 and Inqilab-91 varieties were highest accumulator of shoot Na+ (1.26 mg g(-1) dry weight) and Na+/K+ ratio(1.55) respectively. Experimental findings suggested that except shoot Na+ and Na+/K+ ratio, all biochemical, physiological parameters and biological yield of wheat varieties could be enhanced with seed priming. The salt tolerant wheat varieties (i.e. Pirsabak-05 and Lalma-13) were more responsive to seed priming than salt sensitive varieties (i.e. Inqilab-91 and Saleem-00).
引用
收藏
页码:779 / 789
页数:11
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