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Method for promoting healing of cuttings of southern pines in high temperature seasons

A cutting and high temperature technology, which is applied in the field of southern pine cutting propagation, can solve problems such as high temperature, low survival rate, and small temperature difference between day and day

Active Publication Date: 2015-08-12
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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  • Method for promoting healing of cuttings of southern pines in high temperature seasons

Examples

Experimental program
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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 of southern pines in high temperature seasons. Temperature of upper portions of the cuttings is artificially decreased to be lower than that of lower portions of the cuttings so as to promote advance healing of the cuttings. Experiments prove that when the method is adopted for pine cutting pretreatment, callus tissues can be formed in 20-25 days, rooting induction from the callus tissues needs about 20 days, the accumulated rooting time of the cuttings is 43-46 days, which is 14-17 days shorter compared with the traditional method. Meanwhile, parts with leaves in the low temperature environment are slow in physiological activities, and water demand and rate of infection are obviously reduced, thereby greatly saving management and protection cost. The method is economically efficient and easy to operate, solves the problems of large management and protection difficulty and low survival rate of cuttings of southern pines in high temperature seasons, is applicable to being popularized and used in production units of cutting propagation of southern pines, and has an important practical importance for scaled cutting propagation of southern pines.

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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IPC IPC(8): A01G1/00
Inventor 谭健晖马良青杨章旗
Owner GUANGXI FORESTRY RES INST
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