ASHS Certified Horticulturist (CH) Examination

Which condition is an early visible sign of plant water stress (drought stress)?

Leaf curl or wilting in the morning Leaf yellowing starting from the base Purple stem coloration Sudden drop of fruit

Leaf curl or wilting in the morning

Access more questions from this quiz

Continue to ASHS Certified Horticulturist (CH) Examination for more practice questions and the full quiz experience.