Rhizobial Inoculation Influences Seedling Vigor and Yield of Rice
Jatish C. Biswasa,
Jagdish K. Ladhaa,
Frank B. Dazzob,
Youssef G. Yannic and
Barry G. Rolfed
a Soil and Water Sciences Div., Int. Rice Res. Inst. (IRRI), P.O. Box 3127, Makati Central Post Office, 1271 Makati City, Philippines
b Dep. of Microbiology, Michigan State Univ., East Lansing, MI 48824 USA
c Sakha Agric. Res. Stn., Kafr El-Sheikh, 33717 A. R. Egypt
d Plant-Microbe Interaction Group, Res. School of Biological Sciences, The Australian National Univ., Canberra, ACT 2601, Australia

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Fig. 1 Influence of seed inoculation with rhizobial strain IRGB74 or E11 on seedling emergence of Pankaj rice. The vertical bars indicate the standard errors of the means
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Fig. 2 Influence of rhizobial inoculation on dry matter accumulation of IR74 rice seedlings at 22 d
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Fig. 3 Influence of rhizobial inoculation on root lengths of IR74 rice seedlings. Diameters of coarse, medium-coarse and fine roots are >300 µm, 150 to 300 µm, and 50 to 150 µm, respectively
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Fig. 4 Surviving populations of the IRBG74-gusA strain on roots of IR74 rice following seed inoculation. The vertical bars indicate the standard errors of the means
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Copyright © 2000 by the American Society of Agronomy.