2 months of warm stratification at 20°C followed by 3 to 4 months of cold stratification at 3 to 5°C are necessary to break dormancy of the Pinus Seed Responded 25 May 2022
2 months of warm stratification at 20°C followed by 3 to 4 months of cold stratification at 3 to 5°C are necessary to break dormancy of the Pinus Seed Responded 25 May 2022