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THE EFFECT OF DIFFERENT LEVELS OF NEMATODE POPULATION DENSITIES ON SEED GERMINATION PERCENTAGE AND SEEDLING CHARACTERISTICS OF SEVERAL CROPS | ||
| Bulletin of the Iraq Natural History Museum | ||
| Article 1, Volume 8, Issue 4, 1996, Pages 65-74 | ||
| Authors | ||
| Abdul Mohsin H. Moanas; Abdulameir A. Yassen; Suhaila H. Al-Larai | ||
| Abstract | ||
| Labrotary experiment was conducted to study the effect of different levels of nematode population densities of Meloidogyne spp on seed germination percentage and seedling characteristics of Vigna sinensis, Ahelmoschus esculentus, Cicer arietinum, Helianthus annuus and Rap-hanus sativus. Four different levels of nematode populat-ion densities ranged from 1 to 4 prepared from radish in-fected roots and used as inoculating agent to infect all seed types in the experiment Seed germination percentage of Vigna sinensis and Ablemoschus eseulentus were highly reduced (at 0.01 level of significance) with increased nematode population level from 1 to 4. Seedling length of the remaining seed types were significantly reduced (at 0.01 level of significanca) by increased nematode population densities. Moreover se¬edling color were yellow and paler as population density of nematodes increased from level 1 to level 4. | ||
| Keywords | ||
| NEMATODE POPULATION DENSITIES | ||
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