Method for promoting secondary blooming of lilac

Abstract

The invention provides a method for promoting secondary blooming of lilac. The method comprises the following steps: step 1, application of a base fertilizer in autumn: applying an organic fertilizer to the base part of a plant at the end of September of the year before treatment, adopting a hole application or furrow application method, and performing irrigation after the application; step 2, pruning: after the lilac blooms in April in spring, immediately cutting off residual flowers, and thinning and removing thin and weak branches; step 3, topdressing after blooming: applying an inorganic fertilizer at the beginning of May, then applying the inorganic fertilizer to the field once every half a month, immediately carrying out irrigation after fertilization, and continuously applying the inorganic fertilizer for three times; step 4, flower bud induction: from the beginning of June to the end of July, spraying a promoting and controlling agent to leaves once every 15 days, and conducting the spraying 4 times to promote flower bud differentiation; and step 5, leaf picking and flower promoting: conducting leaf picking treatment in September, and conducting watering and flower promoting after leaf picking. According to the method provided by the invention, after first flowering in spring, on the basis of increasing the nutritional conditions of branches and tree bodies and promoting flower bud differentiation, leaves of plants are removed, flower buds are promoted to bloom in autumn, and second flowering of the lilac in autumn is realized.

Description

technical field [0001] The invention relates to the technical field of cultivation of garden flowers and shrubs, in particular to a method for promoting secondary flowering of lilacs. Background technique [0002] Lilac is a deciduous shrub or small tree of the genus Syringa in the family Oleaceae. It has large inflorescences, luxuriant flowering, elegant and fragrant flowers, and strong sex. It is widely cultivated and used in gardens. Because of its early flowering, strong adaptability, and high ornamental value, it is deeply loved by the world. It is a commonly used ornamental shrub for landscaping in northern my country. Lilacs begin to bloom in early April, and the flowering period is earlier and the flowering time is concentrated. It is one of the excellent ornamental flowers in traditional early spring in my country. [0003] The existing lilac cultivation method can not bloom twice, which leads to a shorter time for the aesthetic effect of the garden, and cannot ach...

AI Technical Summary

Problems solved by technology

[0003] The existing lilac cultivation methods cannot bloom twice, which leads to a shorter time for the aesthetic effect of the garden and cannot achieve the effect of viewing for a long time, so a method for promoting the second flowering of lilac is needed

Images