Effects of Photoperiod and Gibberellic Acid on Flowering of Hydrangea
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Abstract
Study on the effects of photoperiod and gibberellic acid on flowering of hydrangea was carried out at Mae Hia Agricultural Research, Demonstrative and Training Center and Khun Pae Royal Project Development Center. Factorial in a completely randomized design was used. Two factors, photoperiod and gibberellic acid (GA3), were studied, two levels of photoperiod, regular day length and short day, 8 hr, along with 3 levels of GA3 0, 25, 50 mg/L. The result showed that photoperiod and gibberellic acid affected the flowering of hydrangea depending on location.
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References
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