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Method for rejuvenating bougainvillea speetabilis plants for greening overpass

A bougainvillea and plant technology, applied in the directions of botanical equipment and methods, fertilization methods, gardening methods, etc., can solve problems such as affecting the effect of the overpass greening landscape, and achieve the effect of promoting new roots and quick recovery of tree vigor

Inactive Publication Date: 2019-08-23
广州市林业和园林科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the bougainvillea planted in the overpass cannot be used for repotting and rejuvenating the potted bougainvillea, the current production mainly uses the heavy pruning of the plants to rejuvenate the plants. Although this method is simple to operate, it takes 2 to 3 It takes years to restore tree vigor, which seriously affects the landscape effect of overpass greening

Method used

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  • Method for rejuvenating bougainvillea speetabilis plants for greening overpass
  • Method for rejuvenating bougainvillea speetabilis plants for greening overpass

Examples

Experimental program
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Effect test

Embodiment 1

[0036] In February 2017, the green bougainvillea at Machang Interchange began to be rooted and rejuvenated:

[0037] 1. Root removal: At the beginning of February 2017, dig a 15cm wide and 15cm deep soil ditch between the two bougainvillea plants in the greening bougainvillea planting trough at the Machang Interchange. Smooth with a sharp knife.

[0038] 2. Fertilization: After digging out the original substrate, apply 500g of peanut bran as base fertilizer in the soil ditch for each pot, add new improved substrate soil to 3cm from the surface of the pot, and then water once thoroughly to keep the pot soil humidity at 20-30%.

[0039] 3. Pruning: In March 2017, the Bougainvillea plant was pruned to keep 2 / 3 of the original height of the plant, and the plastic treatment was carried out: cut off the elongated branches, inner chamber branches and overlapping branches, and cut off 20-30% of the side branches. Form a good plant shape that is ventilated and light-transmitting.

[...

Embodiment 2

[0043] In February 2017, the green bougainvillea on the pedestrian bridge of Huasha Village on Guangshan Road began to be rooted and rejuvenated:

[0044] 1. Root removal: At the end of February 2017, dig a 13-15cm wide and 13-15cm deep soil ditch between the two Bougainvillea plants in the green bougainvillea planting trough at the Machang Interchange, dig out the original substrate and the root removal together, and place Smooth out the incision with a sharp knife.

[0045] 2. Fertilization: After digging out the original substrate, apply 450g of peanut bran in the soil ditch for each pot as the base fertilizer, add new improved substrate soil to 3cm from the pot surface, and then water once thoroughly to keep the pot soil humidity at 20-30%.

[0046] 3. Pruning: In mid-March 2017, the Bougainvillea plant was pruned, keeping two-thirds of the original height of the plant, and performing plastic treatment: cut off the elongated branches, inner chamber branches and overlapping...

Embodiment 3

[0050] In February 2017, the green bougainvillea at Zhongshan No. 1 interchange began to be rooted and rejuvenated.

[0051] 1. Root removal: In mid-February 2017, a 15-17cm wide and 15-17cm deep soil ditch was dug between two Bougainvillea plants in the greening bougainvillea planting groove at Zhongshan No. 1 Interchange, and the original matrix and root removal were dug out together. Smooth out the incision with a sharp knife.

[0052] 2. Fertilization: After digging out the original substrate, apply 550g of peanut bran as base fertilizer in the soil ditch for each pot, add new improved substrate soil to 3cm from the surface of the pot, and then water once thoroughly to keep the pot soil humidity at 20-30%.

[0053] 3. Pruning: In mid-April 2017, the Bougainvillea plant was pruned, keeping two-thirds of the original height of the plant, and performing plastic treatment: cut off elongated branches, internal chamber branches and overlapping branches, and cut off 20-30% of sid...

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Abstract

The invention discloses a method for rejuvenating bougainvillea speetabilis plants for greening an overpass. Degenerated overpass bougainvillea speetabilis plants can be rejuvenated without replacingflowerpots by locally cutting roots, applying a base fertilizer and moderate pruning. Due to the fact that only moderate pruning is carried out on the overground part of bougainvillea speetabilis, thetree vigor is quickly restored, a flowering landscape can be formed in autumn and winter of the year, and the flowering rate of the year is 100%; and through local root cutting, matrix replacement and base fertilizer application, new roots can be promoted to form a new rejuvenated root system. By the method, the problems that plant growth is blocked, the growth potential declines, the germinationof new buds is reduced, the flowering amount is reduced, the continuous flowering time is shortened, and the landscape effect is seriously affected because the roots are seriously limited by the space of the planting grooves after the bougainvillea speetabilis plants for greening the overpass grow in the planting grooves for many years are solved.

Description

technical field [0001] The invention belongs to the technical field of bougainvillea cultivation, and more specifically relates to a method for rejuvenating bougainvillea plants in overpass greening. Background technique [0002] Bougainvillea (Bougainvillea spp.), also known as Bougainvillea, Bougainvillea, Bougainvillea, Bougainvillea, etc., is an evergreen climbing shrub belonging to the family Mirabilis. Native to Brazil, South America, it likes a warm and humid climate, not cold-resistant, and likes sufficient sunlight. It is a woody flower widely used in tropical and subtropical regions of my country, and is often used in flower hedges and garden flowers and trees. Since 2003, Guangzhou has used Bougainvillea to green urban pedestrian bridges and overpasses (hereinafter collectively referred to as overpasses). By the end of 2017, more than 330 overpasses with a length of about 260 kilometers have been greened, forming a very distinctive urban green corridor in the sky....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06A01C21/00
CPCA01C21/005A01G7/06A01G17/005
Inventor 刘悦明伍成厚傅小霞温志余铭杰郭沛楷乐龙胜吴宁谭梓轩卢春薇
Owner 广州市林业和园林科学研究院
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