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This article in AJ

  1. Vol. 65 No. 6, p. 856-858
     
    Received: Oct 24, 1972
    Published: Nov, 1973


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doi:10.2134/agronj1973.00021962006500060002x

Partitional Analysis of Grain Yield from Different Shoots as Influenced by Nitrogen in Finger Millet1

  1. K. Krishnamurthy2

Abstract

Abstract

Pattern of grain yield contribution from different tiller groups in relation to nitrogen levels was investigated in finger millet (Eleusine coracana L. Gaertn, var. ‘H-22’) in a 2-year field trial. There was linear increase in grain yield (7 to 26 g/plant) with increasing levels of nitrogen (0 to 90 kg/ha). These differences in grain yield were mainly related to the total number of shoots produced (4.0 to ll.9/plant), and particularly to those produced during the first 27 days (2.1 to 8.7/plant). Nitrogen also increased the grain yield contribution (38 to 52%) from the early season tillers. The final grain yield and the number of shoots produced within 5 weeks of transplanting were related. The main axis contributed 24%, whereas early, intermediate, late, and secondary tiller groups provided 47, 16, 8, and 5%, respectively, to the total grain yield per plant (17 g). In a similar manner, these groups of shoots contributed 15, 40, 21, 14, and 10%, respectively, to total ear number per plant (6.9).

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