Analysis of bacterial communities associated with potting media

A. M. Al-Sadi*, H. A. Al-Zakwani, A. Nasehi, S. S. Al-Mazroui, I. H. Al-Mahmooli

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةمراجعة النظراء

8 اقتباسات (Scopus)


Background: Potting media are commonly used by growers in different parts of the world for potted plants, raising seedlings and for improving soil characteristics. This study was conducted to characterize bacterial communities occurring in 13 commercial potting media products originating from seven countries. Findings: Bacteria were isolated using serial dilution. Identification to the species level was based on phylogenetic analysis of the 16S rRNA gene. The analysis showed the association of 13 bacterial species with the different potting media samples, namely Arthrobacter livingstonensis, Kocuriaflava, Leifsonia lichenia, Bacillus vallismortis, Bacillus pumilus, Staphylococcus warneri, Burkholderia phenazinium, Burkholderia sp., Ralstoniapickettii, Rhodanobacter spathiphylli, Rhodanobacter sp., Pseudomonasthivervalensis and Chryseobacterium gallinarum. Bacterial densities in the samples ranged from 8 × 107 to 1.2 × 109 colony forming units per gram of substrate. Conclusions: The study shows the isolation of some potential plant and human bacterial pathogens. However, most of the isolated species were either biocontrol species or saprophytes. The study questions the ways by which these bacterial species were introduced into potting media. To the best of our knowledge, this appears to be the first report of most of the isolated bacteria from potting media, except B. pumilus.

اللغة الأصليةEnglish
رقم المقال74
الصفحات (من إلى)1-5
عدد الصفحات5
مستوى الصوت5
رقم الإصدار1
المعرِّفات الرقمية للأشياء
حالة النشرPublished - ديسمبر 1 2016

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