Phytopathology reagents - Pentachloronitrobenzene (PCNB)

Pentachloronitrobenzene, typically abbreviated PCNB, is an antimycotic used in seed testing, specifically for the selection of Fusarium circinatum.

Pentachloronitrobenzene (PCNB) is known as a broad spectrum contact antimycotic. PCNB is a registered fungicide formally derived from nitrobenzene. It is either an off-white or yellow solid, depending on its purity, with a musty odor. PCNB has been documented to have activity against soil-borne bacteria, such as Rhizoctonia solani, Sclerotium rolfsii and Streptomyces scabies. It will also suppress the growth of actinomycetes and Rhizopus (Katan & Lockwood 1970). PCNB can be used as a seed treatment, and is noted for this use by the International Seed Testing Association (ISTA) in method 7-009: Detection of Fusarium circinatum on Pinus spp. (ISTA 2011). PCNB is used as a fungicide to suppress the growth of fungi in various crops, such as cotton, rice, and seed grains.

Frequently Asked Questions (FAQ)

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Yes, Biovalley distributes several product references in the pentachloronitrobenzene (pcnb) category, sourced from specialist suppliers. Depending on the product family, references may vary in terms of format, packaging, brand, supplier, technical specifications or availability.

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Are all pentachloronitrobenzene (pcnb) products available under the same terms and conditions?

No. Ordering, delivery, storage and documentation conditions may vary depending on the product type, the supplier and the applicable regulations. Certain product codes may require specific approval, specialised transport, a safety data sheet or additional information prior to ordering.