Plumbago auriculata shoot cutting propagation method

A technology of twig cuttings and snowflakes, which is applied in the field of blue snowflake twig cuttings and propagation, can solve the problems of not being able to meet industrial seedling cultivation, the rooting rate is less than 60%, and the natural seed setting rate of seeds is low, so as to increase the average taproot length and improve Survival rate, the effect of increasing the average main length

Inactive Publication Date: 2015-11-11
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Blue snowflakes are mainly propagated by sowing and cuttings, but sowing and propagation have a low natural seed setting rate, and it is difficult to obtain seeds. Most of the domestic introductions are cultivated by using imported seeds, which are more expensive
At present, there are few studies on the cutting propagation technology of blue snowflake twigs. The traditional cutting propagation method has a low rooting rate, the rooting rate is less than 60%, and the rooting time is long, which cannot meet the needs of industrial seedlings.

Method used

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  • Plumbago auriculata shoot cutting propagation method
  • Plumbago auriculata shoot cutting propagation method
  • Plumbago auriculata shoot cutting propagation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A 1:1 mixture of peat soil and perlite is used as the cutting substrate;

[0023] Select the 4-year-old mature blue snowflake plant as the mother plant for ear picking, use sharp scissors to cut the young shoots with terminal buds, robust growth, and semi-lignified as cuttings, keep 2 nodes of the cuttings, 5 cm long, and cut them from the bottom of the petiole Cut off the 2 leaves at the bottom of the cuttings, cut the bottom of the cuttings close to the nodes, keep 2 young leaves at the top of the cuttings, and cut off 1 / 3 of the larger leaves.

[0024] Soak the bottom of the cuttings in a hormone solution of 800mg / L naphthaleneacetic acid (NAA) for 25 seconds.

[0025] Use a pencil to punch holes in the cutting substrate with a distance of 3×4cm, then insert the cuttings at a depth of 1 / 3 of the length of the cuttings, press the substrate around the base of the cuttings tightly, and cover with a layer of sunshade net for shading. Spray with water to maintain humidit...

Embodiment 2

[0028] A 1:1 mixture of peat soil and perlite is used as the cutting substrate;

[0029] Select the 5-year-old mature blue snowflake plant as the mother plant for ear picking, use sharp scissors to cut the young shoots with terminal buds, robust growth, and semi-lignified as cuttings, keep 3 knots for the cuttings, 8 cm long, and cut them from the bottom of the petiole Cut off the 2 leaves at the bottom of the cuttings, cut the bottom of the cuttings close to the joints, keep 3 tender leaves at the top of the cuttings, and cut off 1 / 2 of the larger leaves.

[0030] Soak the bottom of the cuttings in a hormone solution of 1200 mg / L of naphthalene acetic acid (NAA) for 35 seconds.

[0031] Use a pencil to punch holes in the cutting substrate with a distance of 3×4cm, then insert the cuttings at a depth of 1 / 2 the length of the cuttings, press the substrate around the base of the cuttings tightly, and cover with a layer of sunshade net for shading. Spray with water to maintain h...

Embodiment 3

[0034] A 1:1 mixture of peat soil and perlite is used as the cutting substrate;

[0035] Select the 4-year-old mature blue snowflake plant as the mother plant for ear picking, and use sharp scissors to cut the young shoots with terminal buds, robust growth, and semi-lignified as cuttings. The cuttings retain 3 nodes and are 7 cm long. Cut off the 2 leaves at the bottom of the cuttings, cut the bottom of the cuttings close to the joints, keep 3 young leaves at the top of the cuttings, and cut off 1 / 3 of the larger leaves.

[0036] Soak the bottom of the cuttings in a hormone solution of 1000 mg / L of naphthalene acetic acid (NAA) for 30 seconds.

[0037] Use a pencil to punch holes in the cutting substrate with a distance of 3×4cm, then insert the cuttings at a depth of 1 / 2 the length of the cuttings, press the substrate around the base of the cuttings tightly, and cover with a layer of sunshade net for shading. Spray with water to maintain humidity.

[0038] Spray water once ...

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Abstract

The invention provides a plumbago auriculata shoot cutting propagation method. The method comprises the following steps: (1) selecting a cutting substrate; (2) selecting a cutting shoot; (3) treating by a rooting agent; (4) performing the cutting; (5) managing after the cutting. Compared with the prior art, the plumbago auriculata shoot cutting propagation method not only has the advantages of the prior art such as simple conditions, easy operation and low propagation cost, but also can remarkably increase the average main root length of the cut plumbago auriculata, and can greatly improve the survival rate.

Description

technical field [0001] The invention relates to a cutting propagation method of blue snowflake twigs, and belongs to the technical field of asexual propagation of flowers and trees. Background technique [0002] Blue Snowflake (Plumbago auriculata) is native to South Africa, also known as Blue Flower Dan, Blue Snow Dan, Blue Flower Rocky Pine, Blue Jasmine, etc. It belongs to the Plumbago auriculata family (Plumbago auriculata) and is a perennial evergreen shrub. Blue Snowflake grows vigorously, is heat-resistant, more resistant to high temperature and high humidity, less pests and diseases, easy to manage, and has a long viewing period. The leaves are emerald green, the flower color is elegant, and it gives people a cool feeling in the hot summer. It can be used as a potted plant to decorate the living room and balcony; mature plants with hanging branches are suitable for potting in large containers. It can also be planted on the edge of the forest or embellished with lawn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G31/00
CPCA01G24/00A01G22/00
Inventor 宗树斌王永平刘玉华顾立新陈少卿
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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