Tomato Seedling Vigor & Strengthening
隐藏域元素占位
Tomato Seedling Vigor & Strengthening
Application of Plant Growth Regulators for Tomato Seedling Vigor and Strengthening
Paclobutrazol
Coating tomato seeds with 150mg/L paclobutrazol or spraying 5-10mg/L paclobutrazol at the 3-leaf stage of tomato can effectively reduce seedling height, increase stem diameter, dry fresh weight per plant, and free proline content in leaves, and improve root vigor and seedling index.
Uniconazole
Seed soaking with 20mg/L niconazole for 5 hours can effectively control the leggy growth of tomato seedlings, make the stems thick, the leaves are dark green, and the plant morphology tends to be strong. Seedling robustness increased.
Butyric hydrazide
Seed soaking treatment with 6000-9000mg/L butyryzide liquid for 24 h can improve the chlorophyll, root-shoot ratio, vigorous seedling index, root activity and enzyme activity of true leaves of seedlings, and can significantly improve the stress resistance of tomato seedlings, which is beneficial to cultivating tomato seedlings.
Mepiquat chloride
Before sowing, using 50-70mg/L mepiquat chloride liquid to irrigate the seedling substrate or spraying with 25-50 mg/L mepiquat chloride liquid at the 3-leaf stage can effectively control the leggy growth of the tomato seedlings, making the tomato seedling plant height, Stem diameter, hypocotyl length, and physiological indexes were all controlled within the range of strong seedling indexes to achieve the purpose of strong seedlings.
Ancymidol
Evenly spraying with 5-20mg/L liquid medicine during the seedling raising period can promote the uniformity and strength of the seedlings, improve the quality of the seedlings, and improve the transplanting survival rate.
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