Which of the following chemical is used in 'Grape Guard’? | Agrigyan

Q.47

Floriculture and Landscaping- ICAR JRF/SRF 2024

MCQ (Single Correct)

Which of the following chemical is used in 'Grape Guard’?

Potassium permanganate Sodium metabisutfite Correct Potassium metabisulfite Calcium sulfate

Active Ingredient in 'Grape Guard' Pads:
Table grapes during cold storage and export shipping are susceptible to gray mold rot caused by Botrytis cinerea.
Grape Guard pads contain dual-stage laminated sheets impregnated with Sodium metabisulfite ($Na_2S_2O_5$), which slowly reacts with ambient moisture to release sulfur dioxide ($SO_2$) gas, inhibiting fungal spore germination without bleaching berries.
Correct Option: Option 2 (Sodium metabisutfite).

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