3. Sensitivity(敏感性) of Plants to environment and Introduction D)Sensitive types Narrow adaptation Late/winter types) 2)Intermediate types Intermediate (medium maturity) 3)Insensitive types Wider adaptation(Early/spring types)3. Sensitivity（敏感性） of Plants to Environment and Introduction 1) Sensitive types Narrow adaptation (Late/winter types) 2) Intermediate types Intermediate (medium maturity) 3) Insensitive types Wider adaptation (Early/spring types)