Effect of Exogenous Salicylic Acid and Silicon Application on Salinity Tolerance of Rice
نویسندگان
چکیده
Soil salinity remarkably hinders rice growth, development and productivity. The present study was set up to explore the role of exogenous salicylic acid (SA) silicon (Si) application on growth yield performance two contrasting genotypes, namely BRRI dhan41 (salt-tolerant) dhan49 (salt-sensitive) under salinity. experiment laid out in a randomized complete block design with three replications four SA Si treatments such as control (tap water), 100 ppm SA, (as CaSiO3) and, co-application (50 each). Results revealed that maximum plant height (125.2 cm), fresh weight shoot (267.3 g) K+/Na+ (5.2) were obtained after sole salt stress. Besides, number grains per panicle hill significantly increased (64 46%, respectively) (29 21%, respectively), (182 277%, (75 446%, compared their respective controls. we observed where accumulation Na+ reduced both varieties untreated plants. However, findings showed new dimensions regarding beneficial effects plants which could effectively be utilized grow maximize production saline-prone coastal areas Bangladesh encountering detrimental stress rice.
 Agron. J. 2022, 25(2): 119-127
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ژورنال
عنوان ژورنال: Bangladesh agronomy journal
سال: 2023
ISSN: ['2412-5830', '1013-1922']
DOI: https://doi.org/10.3329/baj.v25i2.65956