International Journal of Agricultural Sciences

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Relative Performance of Seed Priming with Tap Water and Inorganic Salts on Germination, Invigoration, Growth and Yield of Wheat (Triticum aestivum L.)


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1 Directorate of Seed Research, Kushmaur, Mau (U.P.), India
     

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In a field experiment, one year old seeds of two late sown wheat varieties viz., HUW 234 and WR544 were primed with tap water and inorganic salts including KNO3 and Mg (SO4)2singly (in 0.2% solutions) for 12 hours. After priming, the seeds were taken out and allowed for shade drying till returning to their original moisture content. One set of unprimed control was also kept simultaneously. Those primed and unprimed seeds were sown in the last week of December during 2011-12 in allocated plots in four replicates following Factorial Randomized Block Design (RBD) at the research farm of IISR Lucknow, taken temporarily by Directorate of Seed Research, Mau. The data showed that seed priming with tap water and inorganic salts including KNO3 and Mg (SO4)2 singly in 0.2 per cent solution for 12 h significantly enhanced seed germination, shoot/ischolar_main length, seedling dry weight, vigour index and finally the total biomass and grain yield in both the varieties evaluated over unprimed control. Among the treatment, KNO3 priming displayed maximum values in respect of all characters studied followed by Mg (SO4)2 and tap water. Varieties differed significantly in respect of shoot/ischolar_main length, seedling dry weight, spike length, number of spikelets/spike, number of grains and test weight. Variety HUW 234 superceded WR 544 in respect of seedling dry weight, vigour index, number of tillers/run. meter and total biomass whereas WR 544 displayed maximum seed germination, shoot/ischolar_main length, plant height and finally the total grain yield. Differences between varieties were found to be significant for some characters, however, insignificant for remaining others.

Keywords

Germination, Invigoration, Inorganic Salts, Seed Priming, Tap Water, Varieties.
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  • Relative Performance of Seed Priming with Tap Water and Inorganic Salts on Germination, Invigoration, Growth and Yield of Wheat (Triticum aestivum L.)

Abstract Views: 370  |  PDF Views: 0

Authors

T. N. Tiwari
Directorate of Seed Research, Kushmaur, Mau (U.P.), India
Dipti Kamal
Directorate of Seed Research, Kushmaur, Mau (U.P.), India
A. K. Sinha
Directorate of Seed Research, Kushmaur, Mau (U.P.), India
Rajiv K. Singh
Directorate of Seed Research, Kushmaur, Mau (U.P.), India

Abstract


In a field experiment, one year old seeds of two late sown wheat varieties viz., HUW 234 and WR544 were primed with tap water and inorganic salts including KNO3 and Mg (SO4)2singly (in 0.2% solutions) for 12 hours. After priming, the seeds were taken out and allowed for shade drying till returning to their original moisture content. One set of unprimed control was also kept simultaneously. Those primed and unprimed seeds were sown in the last week of December during 2011-12 in allocated plots in four replicates following Factorial Randomized Block Design (RBD) at the research farm of IISR Lucknow, taken temporarily by Directorate of Seed Research, Mau. The data showed that seed priming with tap water and inorganic salts including KNO3 and Mg (SO4)2 singly in 0.2 per cent solution for 12 h significantly enhanced seed germination, shoot/ischolar_main length, seedling dry weight, vigour index and finally the total biomass and grain yield in both the varieties evaluated over unprimed control. Among the treatment, KNO3 priming displayed maximum values in respect of all characters studied followed by Mg (SO4)2 and tap water. Varieties differed significantly in respect of shoot/ischolar_main length, seedling dry weight, spike length, number of spikelets/spike, number of grains and test weight. Variety HUW 234 superceded WR 544 in respect of seedling dry weight, vigour index, number of tillers/run. meter and total biomass whereas WR 544 displayed maximum seed germination, shoot/ischolar_main length, plant height and finally the total grain yield. Differences between varieties were found to be significant for some characters, however, insignificant for remaining others.

Keywords


Germination, Invigoration, Inorganic Salts, Seed Priming, Tap Water, Varieties.

References