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EFFECT OF ALTERNARIA ALTERNATA ASSOCIATED WITH RICE SEEDS ON SEED GERMINATION | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 37, Issue 2, 2006, Pages 81-86 | ||
| Authors | ||
| M. S. Hassan; W. O. Hussain; H. M. Salih | ||
| Abstract | ||
| This experiment was conducted at the College of Agriculture , Univ. of Baghdad to determine the effect of Alternaria alternata on rice seed germination. The results showed that isolate W3 which isolated from cultivar Amber Baghdad seeds had a significant reduction in percentage of seed germination compared with other three isolates. Filtrate of this isolate significantly reduced percentage of seed germination , Length of radical and shoot. The reduction was reduced when distilled water was used as a culture with filter paper. All isolates failed to infect 10 days old seedlings when inoculated with spore suspension. The infection with A.alternata affected significantly the grain quality characters (milling %) as compared with healthy samples of the two cultivars, Amber Baghdad and IPA 1. Milling pencentages were 69.09% and 67.87% for the infected seeds and 76.82 % and 75.21% for the healthy seeds, respectively. | ||
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