Role of Seed Priming with Zinc in Improving the Hybrid Maize (Zea mays L.) Yield

Abstract

2 Abstract: A field experiment was conducted to evaluate the role of seed priming with Zn in improving the performance of maize hybrids at Agronomic Research Area, University of Agriculture, Faisalabad in 2010. The two maize hybrids namely SIPRA 4444 and SP13 were tested with hydro-priming, priming with 0.5% ZnSO , 4 priming with 1.5% ZnSO , priming with 0.5% Zn EDTA and priming with 1.5% Zn EDTA. Replicated three times 4 the experiment was laid out in randomized complete block design with factorial arrangement. The net plot size was 3m x 6m. Observations on seed emergence, physiological parameters, grain yield and yield components were recorded in maize by following standard procedures. The data collected were analyzed statistically using Fisher's analysis of variance technique and differences among treatments means were compared by employing least significant difference (LSD) test at 5% probability level. The results of the present study revealed that priming techniques of zinc gave higher values in almost all the physiological and yield parameters. The maximum grain yield (5.35 t ha ), biological yield (16.69 t ha ) were found in priming with ZnSO @1.5 % in 11

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