CN109906861A - A kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury - Google Patents
A kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury Download PDFInfo
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- CN109906861A CN109906861A CN201910323605.7A CN201910323605A CN109906861A CN 109906861 A CN109906861 A CN 109906861A CN 201910323605 A CN201910323605 A CN 201910323605A CN 109906861 A CN109906861 A CN 109906861A
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- overhead flooding
- flooding injury
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- lily magnolia
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Abstract
The invention discloses a kind of evaluating and identifying methods of Magnoliacea plant resistance to overhead flooding injury, by carrying out flooding stress to different lily magnolia germplasm, character mutation of the observational record Magnoliacea plant in inundating process, 4 indexs are changed using leaf color change, plant wilting situation, basal part of stem variation and survival rate, by its quantitative classification, ranking score standard and evaluation of programme are formulated, overall merit is then carried out to resistance to overhead flooding injury with the summation of each index score, establishes appraisement system.The present invention establishes the resistance to overhead flooding injury appraisement system of Magnoliacea plant quickly, easy for the first time, and resistance to overhead flooding injury resource is evaluated and identified, the resistance to overhead flooding injury grade of Magnoliacea plant is specified, is laid a good foundation for the waterlogging breeding of lily magnolia and the waterlogging appraisal of extensive lily magnolia germplasm.
Description
[technical field]
The present invention relates to a kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury, belongs to plant culture and breeding technique is led
Domain.
[background technique]
Magnoliacea plant tree performance is graceful, spends big gorgeous fragrance, and pest and disease damage is few, can adsorb a variety of pernicious gases, is construction
One of best plant of low-carbon ecological garden-like cities.There is the title of " lily magnolia kingdom " in China, is that Plant Resource of Magnoliaceae is the most abundant
There are 11 categories about more than 160 in country, and Magnoliacea plant is mostly fleshy root, avoids low humidity, easily rotten, planting-site ponding, greatly limits
Popularization and application of the section plant in areas of heavy rainfull such as East China, south China.Several years ago, researcher is in the peaceful field study of Zhejiang scape
It was found that certain peaceful lily magnolia main roots of scape are fully immersed in the stilling basin side of a pond in natural habitat, healthy growth can normally bloom, in river
West Wuyi Mountain, Xinxian county of Henan also observe that Magnolia cylindrica some is grown in cheuch small stream side.These precious physical features also not by
Deep system research and development utilizes.
In recent years, waters, wetland eco-reconstruction improvement and city waterfront landscape molding have been rooted in the hearts of the people, and new excellent resistance to water-wet is planted
Object is already new gardens favorite, also further prominent to the important function of Riparian Zone greening and sponge urban construction work.For
Devoting Major Efforts To Developing with utilize Plant Resource of Magnoliaceae, researcher is quasi- to carry out waterlogging lily magnolia breeding research, cultivates ornamental value and waterlogging
The splendid lily magnolia new varieties of property.The identification of lily magnolia germplasm resistance to overhead flooding injury is the basis for carrying out the waterlogging breeding of lily magnolia, and this patent, which will use, to be flooded
Water coerces the mode of appearance index of lower lily magnolia plant, establish one it is simple and easy, commenting for lily magnolia germplasm resistance to overhead flooding injury can be objectively responded
Valence method improves waterlogging germplasm screening efficiency, accelerates waterlogging lily magnolia breeding process.
[summary of the invention]
The purpose of the invention is to fill up the blank of the waterlogging Journal of Sex Research of Magnoliacea plant, it is resistance to provide a kind of Magnoliacea plant
The evaluating and identifying method of flood.The evaluation method use mode of appearance index, establish one it is simple and easy, lily magnolia can be objectively responded
The screening and evaluating system of germplasm resistance to overhead flooding injury identifies lily magnolia difference germ plasm resource, improves screening efficiency, accelerates waterlogging lily magnolia
Breeding process.
The present invention to achieve the above object, using following technical scheme:
A kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury, it is characterised in that the following steps are included:
(1) potting waterflooding identification method is used, variety classes 2 years raw lily magnolia seedlings are subjected to submerging treatment, waterflooding is excessively native
Face 2cm, continuously submerging 60d；
(2) character mutation according to lily magnolia germplasm in inundating process selects leaf color change, plant wilting situation, stem foot
Portion's variation and survival rate, which change 4 indexs and carry out grade deciding grade and level, simultaneously formulates scoring criteria, and evaluation is shown in Table 1, table 2, table 3 and table 4；
Table 1: leaf color change index deciding grade and level range and a part standard is commented
Table 2: plant wilting situation index deciding grade and level range and standards of grading
Note: plant wilting situation percentage=wilting plant quantity/plant quantity in this table
Table 3: basal part of stem change indicator deciding grade and level range and standards of grading
Table 4: survival rate change indicator deciding grade and level range and standards of grading
(3) after calculating the total score of 4 indexs under without weighting treatment conditions, according to table 5 determine waterlogging grade and
Name:
Table 5: evaluation of programme and rank name
The present invention in terms of existing technologies, has the beneficial effect that:
The present invention has the demand of modern ecological afforestation in mind, extremely lacks status for moisture-proof tree species, for the first time to lily magnolia
The resistance to overhead flooding injury of section plant carries out system research, for the evaluation of later lily magnolia germ plasm resource resistance to overhead flooding injury, waterlogging mechanism study and waterlogging educates
Kind has established solid foundation.
The present invention changes 4 mode of appearance with leaf color change, plant wilting situation, basal part of stem variation and survival rate and refers to
Mark, establishes a moisture-proof lily magnolia screening and assessment system, and operation is simple for the system, energy objective reflects lily magnolia resistance to overhead flooding injury,
It is more scientific, system the methodology for the identification of lily magnolia germplasm resistance to overhead flooding injury.Currently, adopting said method, inventor has been sieved
Select the stronger lily magnolia germplasm materials of a collection of resistance to overhead flooding injury.
[Detailed description of the invention]
Fig. 1 is the whole withered and yellow form of strain blade of Magnoliacea plant under flooding stress；
Fig. 2 is the plant wilting form of Magnoliacea plant under flooding stress；
Fig. 3 is the form that Magnoliacea plant hole skin increases, increases under flooding stress；
Fig. 4 is the form that Magnoliacea plant generates adventitious root under flooding stress；
Fig. 5 is Magnoliacea plant form of death under flooding stress.
[specific embodiment]
A kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury, including with step:
(1) it uses potting waterflooding identification method: variety classes 2 years raw lily magnolia seedlings being subjected to submerging treatment, waterflooding is excessively native
Face 2cm, continuously submerging 60d；
(2) it formulates the waterlogging morphological assessment index deciding grade and level range of lily magnolia and comments a part standard: according to lily magnolia germplasm in inundating process
In character mutation, select leaf color change, plant wilting situation, basal part of stem variation and survival rate to change 4 indexs and carry out grades
It defines the level and formulates scoring criteria, evaluation is shown in Table 1, table 2, table 3 and table 4；
Table 1: leaf color change index deciding grade and level range and a part standard is commented
Table 2: plant wilting situation index deciding grade and level range and standards of grading
Table 3: basal part of stem change indicator deciding grade and level range and standards of grading
Table 4: survival rate change indicator deciding grade and level range and standards of grading
(3) it determines the waterlogging grade of Magnoliacea plant: calculating the total score of 4 indexs under without weighting treatment conditions
Afterwards, waterlogging grade and name are determined according to table 5:
Table 5: evaluation of programme and rank name
The present invention is further described in detail combined with specific embodiments below.
22 kinds of lily magnolia germplasm are chosen, carry out resistance to overhead flooding injury identification, wherein in deliberated index, A is leaf color change, and B withers for plant
Listless situation, C are basal part of stem variation, and D is survival rate variation, and evaluation result is as shown in table 6.
Table 6: the evaluation of test material resistance to overhead flooding injury and grade deciding grade and level
The present invention is to establish Magnoliacea plant resistance to overhead flooding injury by the morphological differences of Magnoliacea plants different under flooding stress
Appraisement system, operation is simple for the system, can objective reflection lily magnolia germplasm resistance to overhead flooding injury.The display of qualification result table 6, more valves
Purple yu-lan (Magnolia liliflora) and star flower yulan have height resistance to overhead flooding injury, scape Ning Mulan, ' Lehner moral ' yulan, ' skin Shandong Etta ' yulan, ' rose ' star
Also resistance to overhead flooding injury with higher, these germplasm are a collection of valuable materials by flower yulan and 172#, and application will accelerate waterlogging lily magnolia
Breeding process.
It should be pointed out that the above case is only representative embodiment of the invention, technical solution of the present invention is not limited to above-mentioned
Embodiment can also have several improvement and deformations.
Claims (3)
1. a kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury, it is characterised in that the following steps are included:
Variety classes 2 years raw lily magnolia seedlings are carried out by submerging treatment using potting waterflooding identification method, waterflooding soil face 2cm excessively is held
Continuous waterflooding 60d, first the character mutation according to lily magnolia germplasm in inundating process, selects leaf color change, plant wilting situation, stem foot
Portion's variation and survival rate change 4 indexs and are evaluated, and formulate the deciding grade and level range and standards of grading of each index, then obtain according to grade
After dividing criterion calculation total score, overall merit is carried out to lily magnolia resistance to overhead flooding injury referring to evaluation of programme.
2. a kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury according to claim 1, it is characterised in that described each
The deciding grade and level range of index and a part standard is commented to be shown in Table 1, table 2, table 3 and table 4:
Table 1: leaf color change index deciding grade and level range and a part standard is commented
Table 2: plant wilting situation index deciding grade and level range and standards of grading
Table 3: basal part of stem change indicator deciding grade and level range and standards of grading
Table 4: survival rate change indicator deciding grade and level range and standards of grading
3. a kind of evaluating and identifying method of Magnoliacea plant resistance to overhead flooding injury according to claim 2, it is characterised in that not into
After the total score for calculating 4 indexs under row weighting treatment conditions, waterlogging grade and name are determined according to table 5:
Table 5: evaluation of programme and rank name
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568128A (en) * | 2019-09-12 | 2019-12-13 | 江苏农林职业技术学院 | method for measuring waterlogging tolerance of cornus floribunda |
| CN112616485A (en) * | 2019-12-20 | 2021-04-09 | 北京市园林科学研究院 | Method for evaluating flooding tolerance of woody plant |
| CN112840886A (en) * | 2019-12-20 | 2021-05-28 | 北京市园林科学研究院 | Comprehensive evaluation method for waterlogging tolerance of plants |
| CN113340820A (en) * | 2021-06-11 | 2021-09-03 | 上海辰山植物园 | Identification method for evaluating waterlogging tolerance of magnolia stelleriana by utilizing photosynthetic property and leaf color |
| CN113420971A (en) * | 2021-06-11 | 2021-09-21 | 上海辰山植物园 | Comprehensive evaluation and identification method for waterlogging tolerance of magnolia stelleriana |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110568128A (en) * | 2019-09-12 | 2019-12-13 | 江苏农林职业技术学院 | method for measuring waterlogging tolerance of cornus floribunda |
| CN112616485A (en) * | 2019-12-20 | 2021-04-09 | 北京市园林科学研究院 | Method for evaluating flooding tolerance of woody plant |
| CN112840886A (en) * | 2019-12-20 | 2021-05-28 | 北京市园林科学研究院 | Comprehensive evaluation method for waterlogging tolerance of plants |
| CN113340820A (en) * | 2021-06-11 | 2021-09-03 | 上海辰山植物园 | Identification method for evaluating waterlogging tolerance of magnolia stelleriana by utilizing photosynthetic property and leaf color |
| CN113420971A (en) * | 2021-06-11 | 2021-09-21 | 上海辰山植物园 | Comprehensive evaluation and identification method for waterlogging tolerance of magnolia stelleriana |
| CN113340820B (en) * | 2021-06-11 | 2023-01-24 | 上海辰山植物园 | Identification method for evaluating waterlogging tolerance of magnolia stelleriana by utilizing photosynthetic property and leaf color |
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Address after: Room 305, No. 136, Zhengkai Avenue, Zhengdong New District, Zhengzhou City, Henan Province Applicant after: PALM ECO-TOWN DEVELOPMENT Co.,Ltd. Address before: 528400 Guangdong Province, Zhongshan City Xiaolan Town Xiangfeng West Road No. 21 Applicant before: PALM ECO-TOWN DEVELOPMENT Co.,Ltd. |
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