Seeds of four wheat varieties, Sonak, UP 2338, Raj 3765 and PBW 343, were treated with salts, water or growth regulator before sowing in the field in late winter. Sowing sprouted seeds resulted in more tillers, higher dry matter in leaves, stem and reproductive parts, and better grain yield. Priming with solutions of indole‐3‐acetic acid, KCl, water, ZnSO4 and Na2SO4 also gave more plant dry matter and grain yield than unprimed seeds. The plants from primed seeds took less time than the control to reach tillering, jointing, heading and flowering, but physiological maturity in all the treatments was at the same time. Biomass accumulation and grain yield were higher in UP 2338 and Raj 3765 in 1998–99, and in PBW 343 in 1999–2000.
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Kant et al. (2004) studied this question.