Microbes and Plant Diseases

Coffee cultivation in Sri Lanka was abandoned because of the disease leaf rust, which affects the fruit and leaf of coffee. The causative fungus is Hemilein Vastarix.

A bacterium bearing flagella all over its surface is called peritrichous.

TMV is a well-known virus that infects tobacco plants. The correct expansion is Tobacco Mosaic Virus, named after the host plant and the mosaic pattern it creates on leaves.

Archaebacteria are considered the oldest living fossils on Earth. They thrive in extreme environments similar to early Earth conditions and are believed to resemble the earliest life forms. Mycoplasma and Rickettsia are more evolved bacteria.

Lichens are symbiotic organisms formed by the association of algae (photosynthetic partner) and fungi (structure and protection). The algae provides food through photosynthesis while fungi provides minerals and shelter.

Black wart disease of potatoes is caused by Synchytrium endobioticum.

Root inducing plasmid which induces profuse rooting in infected plants.

The class basidiomycetes includes those members that produce their basidia and basidiospores on or in a basidiocarp.

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Yeast is a unicellular fungus used in baking and brewing. Unlike crows (animals), viruses (non-cellular), or bacteria (prokaryotes), yeast is a eukaryotic fungal organism. It reproduces by budding and is classified under Kingdom Fungi.

Erwinia amylovora bacterium causes fire blight of pome fruits.

Magnaporthe grisea fungus causes blast disease in rice.

Purple brown mold is apparent on the leaf surface in downy mildew.

Black spot is a common disease in roses.