How can I perform plant sample sterilization before RNA extraction?

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Gul Imriz

there is a practical paper, may be it is helpful for your exp.

Manuel G. Claros, Francisco M. Canovas, 1999. RNA isolation from plant tissues: a practical experience for biological undergraduates. Biochemical Education 27 (1999) 110-113

Oadi Matny

You can use RNAes away reagent to remove a RNA and DNA contamination in plant surface

Yuan-Yeu Yau

Can you obtain/find some tissue-cultured 'suspected host' for your work on RNA extraction and testing? It should be a better material than those grow in Greenhouse and fields if you worry about the contaminations you mentioned above.