Methods of Accelerating Healing of Cuttings of Southern Pine in High Temperature Season

A cutting and high temperature technology, applied in the field of southern pine cutting propagation, can solve the problems of difficult post-cutting management, low survival rate and high temperature

Active Publication Date: 2018-05-11
GUANGXI FORESTRY RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In areas such as Guangxi and Guangdong in southern my country, the daily maximum temperature from July to October reaches 28-35°C. The temperature is high and the temperature difference between day and day is small. The cuttings of pine trees need to avoid this period, because the rooting time of cuttings in these four months is short. , but post-insertion management is difficult and the survival rate is low

Method used

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  • Methods of Accelerating Healing of Cuttings of Southern Pine in High Temperature Season

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Renovation of the freezer door—cut the glass door (100cm×60cm) of the horizontal freezer into 3 strip-shaped openings (100cm×9.5cm) according to the size of the cutting container, so that the edge of the cutting container is just stuck in the freezer after being inverted Outside the glass door; add aluminum alloy to the 3 glass strips cut out, and the freezer door can be restored without wound induction;

[0024] Cutting container—choose a transparent disposable plastic box of 15cm×10cm×5cm, and use a puncher to punch one hole every 5cm on the five sides of the plastic box except the top surface (3 holes on the long side, 2 holes on the wide side, 1 hole on the high side, a total of 12 holes) in order to ventilate and replenish water, fill the container with moist coconut peat and compact it, and seal the container with plastic film;

[0025] Cuttings——on July 5, 2014, select semi-lignified masson pine cuttings, cut the incision, soak in water for 12 hours to remove ...

Embodiment 2

[0030] same as embodiment 1

[0031] same as embodiment 1

[0032] Cuttings——on August 5, 2014, select semi-lignified slash pine cuttings, cut flat cuts, soak in water for 10 hours to remove turpentine, soak in IBA solution with a concentration of 500ppm for 1 hour, and then soak in 0.3% carbendazim for 8 minutes. Insert the cuttings into the cutting container prepared in step , cut 60 cuttings in a plastic box, and the cutting depth is 4.5cm (requires a successful cutting, repeated cuttings will loosen the matrix and cause the cuttings to not be fixed when inverted), Spray the needles of the cuttings with spray, spray a layer of wet mist on the inner layer of the black film (it is better not to drip water) and cover the cuttings. The distance between the black film and the cuttings is 10cm, and the bag of the black film is fixed on the plastic box with a rubber band. mouth;

[0033] same as embodiment 1

[0034] same as embodiment 1

[0035] Field cuttings - After p...

Embodiment 3

[0037] same as embodiment 1

[0038] same as embodiment 1

[0039] Cuttings——On September 3, 2014, select semi-lignified slash pine cuttings, cut the incision, soak in water for 12 hours to remove turpentine, soak in IBA solution with a concentration of 300ppm for 2 hours, and then soak in 0.1% carbendazim for 10 minutes. Insert the cuttings into the cutting container prepared in step , cut 65 cuttings in a plastic box, and the cutting depth is 4cm (successful cutting is required once, repeated cuttings will loosen the substrate and the cuttings cannot be fixed when inverted), spray Spray the needles of the cuttings with moisture, spray a layer of wet mist on the inner layer of the black film (it is better not to drip water), and then cover the cuttings. The distance between the black film and the cuttings is 10cm, and the black film bag is fixed on the mouth of the plastic box with a rubber band. ;

[0040] same as embodiment 1

[0041] same as embodiment 1

[0042] ...

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Abstract

The invention discloses a method for promoting healing of cuttings in southern pine high-temperature seasons. The temperature of the upper part of the cuttings is lowered artificially to make it lower than the temperature of the lower part of the cuttings, so as to promote early healing of the cuttings. Experiments show that the application of the present invention to pretreatment before cuttings of pine trees will form callus within 20-25 days, the time to induce rooting from callus is about 20 days, and the cumulative rooting time of cuttings is 43-46 days, which is 14 days shorter than the traditional method. — 17 days. At the same time, the physiological activities of the part with leaves in the low-temperature environment are slow, and the water demand and the susceptibility rate are significantly reduced, which greatly saves the cost of management and maintenance. The method of the present invention is economical, efficient and easy to operate, and solves the problems of difficult cutting management and low survival rate of pine trees in high-temperature seasons, and is suitable for popularization and application in production units of southern pine cutting propagation, and has important practical significance for large-scale cutting propagation of southern pine significance.

Description

technical field [0001] The invention belongs to the field of cutting propagation of southern pine, and in particular relates to a method for promoting healing of cuttings of southern pine in high temperature season. Background technique [0002] Southern pine, such as masson pine, slash pine, and wet plus pine, is an important dual-purpose tree species for resin and wood in southern my country. It has a wide range of uses and high economic value. In addition to the two major uses of wood and pine resin, the whole tree of Masson pine can be used, and the pollen, needles and bark are rich in antioxidant substances, which can be used as excellent anti-aging and anti-oxidation health products; pine nuts contain 30% oil, Paint, soap and lubricating oil can be made; crude oil can be extracted from cones; pine tar can be extracted from pine roots, and the precious Chinese medicinal material - Poria cocos can be cultivated. [0003] After more than 30 years of genetic improvement r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/10
Inventor 谭健晖马良青杨章旗
Owner GUANGXI FORESTRY RES INST
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