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Effect of Plant Bioregulators and Their Combinations on Growth and Yield of Wheat Under Sodicity Stress Induced by Alkali Water Irrigation

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Title Effect of Plant Bioregulators and Their Combinations on Growth and Yield of Wheat Under Sodicity Stress Induced by Alkali Water Irrigation
Not Available
 
Creator A. Bali
A. Singh
P.S. Minhas
R.K. Yadav
 
Subject Bio-regulators
Alkali water
Sodic soil
Sodification
Wheat
Abiotic stress
 
Description Not Available
Exogenous applications of plant bio-regulators (PBRs) were evaluated during rabi of 2017-18 and 2018-19 for
their efficiency to modulate growth and production processes in wheat grown in soils undergoing sodification.
The PBRs included three sprays with either of gibberellic acid (GA, 25ppm), potassium nitrate (PN, 15g L-1),
salicylic acid (SA, 10uM), thio-urea (TU, 500ppm), or in sequence of TU-PN-TU, GA-TU-PN and a mixture
of TU+PN. These were sprayed at three stages i.e. tillering (30-40 days after sowing, DAS), jointing (60-70
DAS) and heading and spike emergence (90-100 DAS). The increase in grain yield equaled 20, 17, 11 and 9%
with the application of TU-PN-TU, SA, PN, TU+PN mixture, respectively at site II while the crop responded
(7-11%) to only TU and TU-PN-TU at Site-I. Similarly during 2018, the improvements in yield equaled 18, 12,
9, and 6% with SA, GA, GA-TU-PN and PN at Site I and 8-10% with SA, TU+PN mixture and TU at site II
while the effects of other treatments were non-significant. On the basis of consistency, it emerges that the use of potassium nitrate, salicyclic acid and thio-urea alone or in combination is a viable option for alleviating sodicity stress in wheat under alkali water irrigated conditions.
Not Available
 
Date 2020-12-29T07:03:48Z
2020-12-29T07:03:48Z
2020-06-01
 
Type Research Paper
 
Identifier Bali A, Singh A, Minhas PS, Yadav RK. 2020. Effect of Plant Bioregulators and Their Combinations on Growth and Yield of Wheat Under Sodicity Stress Induced by Alkali Water Irrigation. Indian Society of Soil Salinity and Water Quality 12(1): 45-49
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http://krishi.icar.gov.in/jspui/handle/123456789/44199
 
Language English
 
Relation Not Available;
 
Publisher Indian Society of Soil Salinity and Water Quality