Assessment of Arbuscular Mycorrhizal Association in Some Fruit Plants in Bangladesh

Delowara Khanam

Abstract


 Rhizosphere soils of 19 fruit plants from horticultural farm of Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur were assessed for arbuscular mycorrhiza (AM) spore population and determining colonization in their roots. The spore numbers recorded ranged from 48.0 (Citrus limon) to 1,050 (Annona reticulata) per 100 g soil in 2004, 41.0 (Citrus grandis) to 916.7 (Phyllanthus emblica) in 2005 and 44.3 (Citrus grandis) to 575.0 (Syzygium samarangense, white) in 2006. A considerable variation was observed in average spore numbers recorded in three consecutive years. Different fruit plants showed different percentages of root colonization by AM fungi. Among all the fruit plants, the highest colonization (86.7%) was found in Syzygium jambos and Elaeocarpus floribundus and the lowest colonization (20.0%) was recorded in Syzygium samarangense (red).

Keywords


Arbuscular mycorrhiza (AM), Colonization, Spore population, Fruit plants

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Bangladesh Journal of Microbiology ISSN 1011-9981 (Print) 2408-8374 (Online)