RT Journal
T1 COMBINED EFFECT OF GROWTH HORMONES AND GYPSUM INDUCES SALINITY TOLERANCE IN WHEAT UNDER SALINE-SODIC SOIL
A1 K. Ahmed
A1 G. Qadir
A1 M. Q. Nawaz
A1 M. A. Riaz
A1 M. F. Nawaz
A1 M. M. A. Ullah
JF Journal of Animal and Plant Sciences
JO JAPS
SN 1018-7081
VO 31
IS 1
SP 121
OP 130
YR 2020
FD 2020/08/26
DO DOI https://doi.org/10.36899/JAPS.2021.1.0200
AB <p>In recent decades effective regulatory role of phytohormones in plants in response to salinity has received considerable attention. However, their role acting in combination with gypsum still remain elusive. That is why, this two-year study was conducted to assess the effects of foliar application of salicylic acid and L-tryptophan with and without gypsum on wheat crop in a moderately salt affected soil with ECe: 4.71 dS m-1, pHs: 9.18 and SAR: 31.82. Treatments detail is as under: - (A). Amendments 1: gypsum @ 50% GR, 2: without gypsum, (B). Plant hormones T1: control, T2: SA @10-5 M, T3: L-TRP @10-5 M, T4: SA + L-TRP (each @10-5 M in 1:1). Results indicated that growth and yield parameters were higher in T4 (SA+L-TRP @ 10-5 M in 1:1 ratio) with gypsum application @ 50% of GR. Individual application of either salicylic acid (SA) or L-tryptophan (L-TRP) improved the yield in comparison to control but the effect was more remarkable with their combined application. Post-harvest soil analysis clearly demonstrated that gypsum application improved the physical and chemical properties when compared to without application of gypsum. Results highlighted that salinity tolerance of wheat crop was increased in most of the studied parameters when these plant hormones were applied in combination, indicating a positive interaction between salicylic acid and L-tryptophan in salinized conditions.</p>
K1 Abiotic stress. growth enhancer, cereal, soil quality
PB Pakistan Agricultural Scientists Forum
LK https://thejaps.org.pk/AbstractView.aspx?mid=AG-19-0176