R400MR is a superior mushroom variety that has excellent plant health with broad dark green leaves, a study single stalk, and resistance to most diseases. The large single ears give it one of the highest yield potentials in the market today.
Untreated available in 100,000 seed, (30 Lb) bag size only, please call 717-225-3730 to order. **
Seed is treated with Captan, a non-systemic fungicide that protects the seed and seedlings from soil borne and seedborne pathogens and improves performance.