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What is vesicular mycorrhiza?

What is vesicular mycorrhiza? Vesicular-arbuscular mycorrhiza (VAM) is formed by the symbiotic association between certain phycomycetous fungi and angiosperm roots. The fungus colonizes the root cortex forming a mycelial network and characteristic vesicles (bladder-like structures) and arbuscules (branched finger-like hyphae). Read more…

What are the duties of a school custodian?

What are the duties of a school custodian? SUMMARY: Responsible for maintaining, cleaning, and disinfecting all areas of a facility. Perform basic cleaning, sanitation, and minor maintenance of an assigned building and associated grounds including sweeping, mopping, vacuuming, dusting, polishing, Read more…