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A method for controlling the secondary flowering of Willow Verbena

A willow verbena, secondary flowering technology, applied in flower cultivation, agriculture, fertilization devices, etc., can solve the problems of few flowers, discount of ornamental value of verbena, poor ornamental effect, etc., to prolong flowering period and excellent ornamental effect , the effect of not easy to drop flowers and fruits

Active Publication Date: 2021-01-05
GUIZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The leaves are narrowly lanceolate and opposite; the stems are square, and the whole plant is pilose. The flowering period is from April to September. Willow verbena begins to bloom in mid-to-early April, and begins to wither and set seeds in mid-to-late June. From the end of June to the end of September, even though the plants will bloom one after another, the corolla will turn brown due to the seeds. Although the willow verbena will bloom one after another, there are fewer flowers. From a distance, it is mainly brown fruit. Foreword, the ornamental value of willow verbena during this period is greatly reduced, and the ornamental effect is too poor compared with the effect during the period from the beginning of flowering to the full flowering stage

Method used

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  • A method for controlling the secondary flowering of Willow Verbena
  • A method for controlling the secondary flowering of Willow Verbena
  • A method for controlling the secondary flowering of Willow Verbena

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Embodiment 1

[0027] The second flowering control method of willow leaf verbena of the present embodiment, the method is:

[0028] S1, water reduction: the soil water content is 16% before the Verbena seeds are formed, and the Verbena willow begins to form seeds in June, and the soil water content is reduced before the flowering quantity decreases, so that the soil water content is 14.5%;

[0029] S2, pruning: after reducing the amount of watering for 10d, the willow verbena plant is pruned, and all inflorescences are pruned, and the willow verbena plant height after pruning is 40cm;

[0030] S3, water and fertilizer management: water the willow verbena plants after pruning once every 3 days, and the amount of watering each time is 5L / m 2 ; Apply 5g / m2 after pruning 3d 2 urea, after pruning 15d, apply 21g / m 2 A phosphorus-potassium compound fertilizer, the phosphorus-potassium compound fertilizer is made up of the following raw materials in mass percentage: phosphorus pentoxide 51.7%, pot...

Embodiment 2

[0036] The second flowering control method of willow leaf verbena of the present embodiment, the method is:

[0037] S1, water reduction: the moisture content of the soil is 18.5% before the Verbena seeds are formed, and the Verbena willow begins to form seeds in June, and the moisture content of the soil is reduced before the flowering quantity decreases, so that the moisture content of the soil is 16%;

[0038] S2, pruning: after reducing the amount of watering for 10d, the willow verbena plant is pruned, and all inflorescences are pruned, and the willow verbena plant height after pruning is 50cm;

[0039] S3, water and fertilizer management: the pruned willow verbena plants are watered once every 3 days, and the amount of watering each time is 3L / m 2 ; Apply 50g / m2 after pruning for 3 days 2 urea, after pruning 15d, apply 21g / m 2 A phosphorus-potassium compound fertilizer, the phosphorus-potassium compound fertilizer is made up of the following raw materials in mass perce...

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Abstract

The invention provides a secondary flowering regulation method for verbena bonariensis. The method includes the steps: reducing the water content of soil before the verbena bonariensis starts producing seeds and flowering number is decreased; pruning away all inflorescences; watering the verbena bonariensis once every 3 days; sequentially applying urea and phosphorus and potassium compound fertilizers; spraying gibberellic acid water solution 7-10 days after pruning; spraying daminozide water solution to leaf surfaces after sprouting; starting secondary flowering 20-30 days after pruning, andprolonging a flowering phase to the middle of November in the same year. According to the method, the water content of the soil is reduced after the verbena bonariensis produces the seeds, reproductive growth of plants is reduced, all the inflorescences are pruned away, nutrients are no longer consumed by upper seeds and florets, the gibberellic acid water solution is sprayed to promote nutritional growth of the verbena bonariensis plants and promote sprouting, the daminozide water solution is sprayed to the leaf surfaces to promote reproductive growth, flower bud differentiation and plant flowering, the fruiting rate of the flowering phase can be increased, the flowering phase is prolonged, and the appreciation time of the verbena bonariensis is prolonged.

Description

technical field [0001] The invention belongs to the technical field of flowering control methods, and in particular relates to a secondary flowering control method of Verbena willow. Background technique [0002] Willow Verbena is native to South America. It is a perennial herb. It is a commonly used flower viewing plant in garden landscapes. It is planted in single sheets or in large areas. When it blooms, it looks like purple clouds. It is one of the most commonly used flower sea plants in China. Willow leaves Verbena can survive the winter safely in areas with the lowest temperature above 0°C, and it is generally used for annual cultivation in the areas north of the Yangtze River. Plant height 100-150 cm, terminal cyme, small tube-shaped flowers on the top of the flower stem, purple or lavender. The leaves are narrowly lanceolate and opposite; the stems are square, and the whole plant is pilose. The flowering period is from April to September. Willow verbena begins to bl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/60C05G1/00
Inventor 范泽熙杨慧安静杨荣和
Owner GUIZHOU NORMAL UNIVERSITY
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