CN104115677B - The method of E. dunnii Grafting Seed Orchard is set up in a kind of selection - Google Patents

The method of E. dunnii Grafting Seed Orchard is set up in a kind of selection Download PDF

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CN104115677B
CN104115677B CN201410338541.5A CN201410338541A CN104115677B CN 104115677 B CN104115677 B CN 104115677B CN 201410338541 A CN201410338541 A CN 201410338541A CN 104115677 B CN104115677 B CN 104115677B
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dunnii
grafting
seed orchard
sea level
height above
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CN104115677A (en
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陈健波
李昌荣
项东云
郭东强
任世奇
周维
刘媛
卢翠香
唐庆兰
邓紫宇
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Guangxi Zhuang Autonomous Region Forestry Research Institute
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Guangxi Zhuang Autonomous Region Forestry Research Institute
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Abstract

The method of E. dunnii Grafting Seed Orchard is set up in a kind of selection, comprise the steps: that (1) analyzes E. dunnii acclimatization situation, (2) analyzed area weather conditions, (3) select to set up E. dunnii Grafting Seed Orchard in region, Guangxi, E. dunnii pilot forest is set up respectively in Guilin and Liuzhou, select height above sea level 200m and 800m respectively to set up one piece of E. dunnii Grafting Seed Orchard in forest farm, the Huashan, Huan Jiang county, by situation Continuous Tracking investigation of blooming to seed orchard, result shows the E. dunnii Grafting Seed Orchard set up at height above sea level 800m, E. dunnii blossoms and bears fruit, Be very effective.The invention solves import E. dunnii grain weight few, and expensive problem, for development China E. dunnii forest plantation provides seedling to lay the foundation.

Description

The method of E. dunnii Grafting Seed Orchard is set up in a kind of selection
Technical field
The present invention relates to forest genetics technical field, specifically the method for E. dunnii Grafting Seed Orchard is set up in a kind of selection.
Technical background
It is fast that eucalyptus has growth, and rotation is short, timber yield high, has critical role and outstanding role in south China forest development.Along with the continuous expansion of Eucalyptus Planting area, the torrid zone, south, ground suitable for afforestation, subtropics constantly reduces, and eucalyptus is moved northward becomes inevitable trend, and low temperature is the key factor that restriction eucalyptus is moved northward.China's E. dunnii introduction and Experiment shows, E. dunnii is a rare summer rainfall pattern, fast growing, eucalypt species that cold-hartliness is strong, be well suited for the area growth that cools in the northwestward, Guangxi, Hunan, Fujian, Jiangxi etc., therefore, E. dunnii becomes the first-selected seeds of popularizing planting northwards.
E. dunnii growth rapidly, form logical straight, tolerance to cold is strong, recent years is very fast at the development speed of China, is the important reproducting tree species in Hunan, Fujian and In Northern Guangxi area.E. dunnii vegetative propagation is very difficult, and also have no the report of China E. dunnii seeding, E. dunnii breeding problem limits it and further develops simultaneously.Present stage, the development of China E. dunnii forest plantation mainly relies on import seed seedling-raising to afforest, and the grain weight that external E. dunnii seed orchard is produced every year is few, and it is expensive, more show the importance of E. dunnii seed, therefore, set up China's E. dunnii Grafting Seed Orchard particularly urgent.The selection of location, seed orchard garden is blossomed and beared fruit on E. dunnii and seed production affects huge, to the research that location, E. dunnii seed orchard garden height above sea level is selected, for E. dunnii seed orchard seeding establishes important foundation, important realistic meaning is advanced to E. dunnii breeding and eucalyptus industry northwards.
Summary of the invention
The object of the invention is to solve import E. dunnii grain weight few, and expensive problem, a kind of selection is provided to set up the method for E. dunnii Grafting Seed Orchard, E. dunnii Grafting Seed Orchard is set up at Guangxi regional choice, E. dunnii grafting seed can normally be bloomed, for development China E. dunnii forest plantation provides seedling.
The present invention is by achieving the above object by the following technical solutions: the method for E. dunnii Grafting Seed Orchard is set up in a kind of selection, comprises the steps:
(1) E. dunnii acclimatization situation is analyzed: E. dunnii original producton location is in Australia, and area is very limited, is confined to the northeast of new Nan Weierzhou to the southeast, Queensland one band, and area latitude is 28 ° ~ 30.25 °, south latitude, height above sea level 300 ~ 750m.Warmer climate is moistening, and the hottest monthly mean of daily maximum temperature is 27 ~ 30 DEG C, and maximum temperature reaches 40 DEG C, and the coldest mean monthly maximum temperature is 0 DEG C ~ 3 DEG C, and minimum temperature reaches-7 DEG C.Each Frost's Descent in winter, number of times was 20 ~ 60 times.Average yearly rainfall is 1000 ~ 1750 ㎜, summer rainfall pattern, even if but rainfall minimum month quite a few in 40 ㎜;
(2) analyzed area weather conditions, region, Guangxi is divided into middle subtropical zone, south subtropics and north tropic, Northeastern Guangxi Boreal climate district, Gui Bei climatic region, Northeastern Guangxi southern district, mesoclimate district, osmanthus and climatic region, the west and south belong to middle subtropical zone, middle subtropical zone osmanthus north weather moistening, make a clear distinction between the four seasons; Summer Wen Liang, there is frost and snow in the winter; Rainy days is more, and winter of wetting in summer does, average temperature of the whole year 17.0 ~ 19.0 DEG C, the hottest July samming 24.7 ~ 27.1 DEG C, the coldest January samming 7.4 ~ 8.9 DEG C; Extreme Maximum Temperature 35.7 ~ 38.5 DEG C, Annual lowest climate temperature-5.5 ~-4.0 DEG C, the stable accumulated temperature 5254 ~ 6034 DEG C by 10 DEG C of periods, duration 256 ~ 273d, frost-free season 307 ~ 308d, long-term precipitation 1498 ~ 1578mm, long-term sunshine duration 1218 ~ 1354h, total solar radiation 3674 ~ 3845MJ/m 2, comparison E. dunnii original producton location weather basic condition, the Gui Bei climatic region of middle subtropical zone is more close,
(3) select to set up E. dunnii Grafting Seed Orchard in region, E. dunnii pilot forest is set up respectively in Guilin and Liuzhou, the result of the test being 100 ~ 150m in height above sea level shows that E. dunnii flowering rate is very low, can not be normally solid, and E. dunnii is 300 ~ 750m at original producton location height above sea level, according to analysis of experiments, think that height above sea level is blossomed and beared fruit to E. dunnii and be there is material impact, therefore select height above sea level 200m and 800m respectively to set up one piece of E. dunnii Grafting Seed Orchard in forest farm, the Huan Jiangxian Huashan, Guangxi, gather the branch of E. dunnii select tree as scion, grafting is carried out in nursery, cultivate grafting, the grafting of growth selection stalwartness sets up seed orchard, select 5 clones, observe involving in a criminal case and carry out follow-up investigation in continuous 3 years, First Year investigation grafting storage rate, Second Year starts there is bud, main investigation is bloomed situation, within 3rd year, investigate the solid situation of blooming the previous year, by situation Continuous Tracking investigation of blooming to seed orchard, the E. dunnii Grafting Seed Orchard that result is set up at height above sea level 800m, E. dunnii blossoms and bears fruit, Be very effective.
Outstanding advantages of the present invention is:
By analyzing E. dunnii acclimatization situation, analyzing region, Guangxi weather conditions, setting up E. dunnii pilot forest and test, to seed orchard bloom situation Continuous Tracking investigation, the E. dunnii Grafting Seed Orchard that result is set up at height above sea level 800m, E. dunnii blossoms and bears fruit, Be very effective.Solve import E. dunnii grain weight few, and expensive problem, for development China E. dunnii forest plantation provides seedling to lay the foundation.
Embodiment
Below by way of specific embodiment, technical scheme of the present invention is described further.
Embodiment 1
The method of E. dunnii Grafting Seed Orchard is set up in a kind of selection of the present invention, comprises the steps:
According to meteorological data, analyze the climate type of zones of different in Guangxi District, find and originate in the similar climate type in district to E. dunnii, by compare of analysis, the final forest farm, the Huashan, Huan Jiang county selecting northwestern, Guangxi.Simultaneously according to the experience that Guilin and Liuzhou introducing and planting E. dunnii are tested, be that the E. dunnii pilot forest flowering rate that 100 ~ 150m sets up is low at height above sea level, can not be solid.The distribution of forest land, forest farm, the Huashan, Huan Jiang county is wide, from height above sea level 100 ~ 900m, therefore selects height above sea level 200m and 800m respectively to build one piece of E. dunnii seed orchard.The branch gathering E. dunnii select tree, as scion, carries out grafting in nursery, and cultivate grafting, the grafting of growth selection stalwartness sets up seed orchard.Select 5 clones, observe involving in a criminal case and carry out follow-up investigation in continuous 3 years, First Year investigation grafting storage rate, Second Year starts there is bud, mainly investigates situation of blooming, and within the 3rd year, investigates the solid situation of blooming the previous year.Investigation result is shown in Table 1, and result shows: be based upon the E. dunnii Grafting Seed Orchard storage rate of height above sea level 800m far above height above sea level 200m's; Height above sea level 200m only has clone 26 to have the plant of 22.2% to have bud, and height above sea level 800m has bud plant ratio minimum is 25.2%, is up to 75.0%; The clone of investigation has solid, and what ripening rate was the highest is clone 21, reaches 30.1%.Therefore, to the follow-up investigation analysis in continuous 3 years of 5 clones, think that E. dunnii blossoms and bears fruit, Be very effective at the E. dunnii Grafting Seed Orchard of height above sea level 800m foundation.Table 1 shows E. dunnii Grafting Seed Orchard clone follow-up investigation situation.
Table 1 E. dunnii Grafting Seed Orchard clone follow-up investigation information slip

Claims (3)

1. a method for E. dunnii Grafting Seed Orchard is set up in selection, it is characterized in that, comprises the steps:
(1) E. dunnii acclimatization situation is analyzed: E. dunnii original producton location is in Australia, area is very limited, be confined to the northeast of new Nan Weierzhou to the southeast, Queensland one band, area latitude is 28 ° ~ 30.25 °, south latitude, height above sea level 300m ~ 750m, warmer climate is moistening, the hottest monthly mean of daily maximum temperature is 27 DEG C ~ 30 DEG C, maximum temperature reaches 40 DEG C, the coldest mean monthly maximum temperature is 0 DEG C ~ 3 DEG C, minimum temperature reaches-7 DEG C, each Frost's Descent in winter, number of times was 20 ~ 60 times, average yearly rainfall is 1000 ㎜ ~ 1750 ㎜, summer rainfall pattern, even if but rainfall minimum month is quite a few in 40 ㎜,
(2) analyzed area weather conditions, region, Guangxi is divided into middle subtropical zone, south subtropics and north tropic, Northeastern Guangxi Boreal climate district, Gui Bei climatic region, Northeastern Guangxi southern district, mesoclimate district, osmanthus and climatic region, Southwest Guangxi portion belong to middle subtropical zone, north, the osmanthus weather of middle subtropical zone is moistening, makes a clear distinction between the four seasons; Summer Wen Liang, there is frost and snow in the winter; Rainy days is more, and winter of wetting in summer does, average temperature of the whole year 17.0 DEG C ~ 19.0 DEG C, the hottest July samming 24.7 DEG C ~ 27.1 DEG C, the coldest January samming 7.4 DEG C ~ 8.9 DEG C; Extreme Maximum Temperature 35.7 DEG C ~ 38.5 DEG C, Annual lowest climate temperature-5.5 DEG C ~-4.0 DEG C, the stable accumulated temperature 5254 DEG C ~ 6034 DEG C by 10 DEG C of periods, duration 256 ~ 273d, frost-free season 307 ~ 308d, long-term precipitation 1498mm ~ 1578mm, long-term sunshine duration 1218 ~ 1354h, total solar radiation 3674 ~ 3845MJ/m 2, comparison E. dunnii original producton location weather basic condition, the Gui Bei climatic region of middle subtropical zone is more close,
(3) selected zone sets up E. dunnii Grafting Seed Orchard, E. dunnii pilot forest is set up respectively in Guilin and Liuzhou, the result of the test being 100m ~ 150m in height above sea level shows that E. dunnii flowering rate is very low, can not be normally solid, and E. dunnii is 300m ~ 750m at original producton location height above sea level, according to analysis of experiments, think that height above sea level is blossomed and beared fruit to E. dunnii and be there is material impact, therefore select height above sea level 200m and 800m respectively to set up one piece of E. dunnii Grafting Seed Orchard in forest farm, the Huan Jiangxian Huashan, Guangxi, by situation Continuous Tracking investigation of blooming to seed orchard, the E. dunnii Grafting Seed Orchard that result is set up at height above sea level 800m, E. dunnii blossoms and bears fruit.
2. the method for E. dunnii Grafting Seed Orchard is set up in selection according to claim 1, it is characterized in that, described set up E. dunnii Grafting Seed Orchard be gather E. dunnii select tree branch as scion, carry out grafting in nursery, cultivate grafting, the grafting of growth selection stalwartness sets up seed orchard.
3. the method for E. dunnii Grafting Seed Orchard is set up in selection according to claim 2, it is characterized in that, it is selection 5 clones that the grafting of described growth selection stalwartness sets up seed orchard, observe involving in a criminal case and carry out follow-up investigation in continuous 3 years, First Year investigation grafting storage rate, Second Year starts there is bud, main investigation is bloomed situation, within 3rd year, investigate the solid situation of blooming the previous year, by situation Continuous Tracking investigation of blooming to seed orchard, result shows the E. dunnii Grafting Seed Orchard set up at height above sea level 800m, and E. dunnii blossoms and bears fruit.
CN201410338541.5A 2014-07-16 2014-07-16 The method of E. dunnii Grafting Seed Orchard is set up in a kind of selection Active CN104115677B (en)

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