How to use plant growth regulators to regulate flowering period, promote flowering and promote flowering?

How to use plant growth regulators to regulate flowering period, promote flowering and promote flowering?

It is particularly important for ornamental plants to regulate flowering period. In order to meet the needs of the market and festivals, control the flowering time of flowering plants, delay or promote flowering, in addition to regulating light, temperature, fertilizer and water, plant regulators (flower promoters and flower delay agents) are also used to induce or delay flowering and increase flowers. For example, when the plant height of tulip is 5- 10cm, it can bloom in advance with regulator, and it can be induced by dropping ethephon in the axil of ornamental pineapple leaves. In addition, chlormequat chloride and paclobutrazol can also promote flowering. Widely used in woody ornamental plants, such as peony, camellia, rose and so on. Gibberellin can promote the flowering of violets, primroses, camellias, cloves, tulips, angelica dahurica, geraniums, carnations, rhododendrons, daffodils, dahlias, cyclamen, gladiolus and begonia. The use of IBA, NAA and PP333 can delay the delayed flowering of rhododendron, poinsettia, rooting, chrysanthemum, carnation, upside down golden bell and other flowers.

Tips: Due to the differences in soil, water and fertilizer conditions, climate and other natural environments, crop varieties, growth conditions and cultivation methods, the plant protection technologies and drugs introduced in this paper are for reference only. No matter what pesticides are used by agricultural growers, please follow the label instructions and use them scientifically under the guidance of local agricultural extension personnel.