Effect of Number of Short-day on Flowering and Visual Quality of Poinsettia Effect of Number of Short-day on Flowering and Visual Quality of Poinsettia Zearalenone in Growth and Development of Winter Wheat Effect of Short-Day Photoperiod on Adzuki Bean (Phase-out angularis) Seedlings at Different Leaf Ages A Review on the Abroad Studies of Techniques in Regulating Quality of Container Seedling