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New method for identification of cold tolerance of Anthurium andraeanum germplasm

An identification method and a new germplasm technology, applied in the field of plant science, can solve the problems of increasing cold resistance identification cost, instability, and deviation of identification results, and achieve the effects of avoiding cost input, avoiding result deviation, and reducing costs

Active Publication Date: 2019-01-01
SHANGHAI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above research either has a lot of measurement indicators, or uses the isolated leaves of a certain leaf position as the test material. Although it is helpful to analyze the mechanism of cold resistance of Anthurium anthurium, it increases the cost of cold resistance identification in operation.
Moreover, the part where the symptoms of chilling injury first occur in different varieties of anthurium is not the same, and the index of a single compound is also unstable when anthurium suffers irreversible damage, which may lead to deviations in identification results

Method used

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  • New method for identification of cold tolerance of Anthurium andraeanum germplasm
  • New method for identification of cold tolerance of Anthurium andraeanum germplasm
  • New method for identification of cold tolerance of Anthurium andraeanum germplasm

Examples

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Embodiment 1

[0046] The new Anthurium germplasm 'C1' and the varieties 'Alabama', 'Sensation', and 'Fen Champion' in this example are from Shanghai Huahuagang Enterprise Development Co., Ltd. The specific cold resistance identification steps are as follows:

[0047] (1) Preparation materials: 3 Anthurium varieties 'Alabama', 'Sensation', 'Fen Champion' with different cold tolerance and new germplasm 'C1' of Anthurium to be tested, with seedling age of 12 months. The container used for transplanting was a 16cm×12cm flower pot, and the substrate used was imported peat. The 1000-fold diluted "Hua Duoduo No. 1" aqueous solution was applied once every 7 days, and the low temperature stress experiment was carried out one month later.

[0048] (2) Low temperature stress: use an artificial climate incubator to carry out low temperature stress, the light intensity is 15000 Lx, the light / dark time is 12h / 12h every day, the stress treatment temperature is 6°C, and the treatment time is 3 days, and the...

Embodiment 2

[0062] The new Anthurium germplasm 'C2' and the varieties 'Alabama', 'Sensation', and 'Fen Champion' in this example are from Shanghai Huahuagang Enterprise Development Co., Ltd. The specific cold resistance identification steps are as follows:

[0063] (1) Material preparation: 3 varieties of anthurium with different cold tolerance 'Alabama', 'Sensation', 'Fen Champion' and a new germplasm of anthurium to be tested 'C2', the seedling age is 12 months. The container used for transplanting was a 16cm×12cm flower pot, and the substrate used was imported peat. The 1000-fold diluted "Hua Duoduo No. 1" aqueous solution was applied once every 7 days, and the low temperature stress experiment was carried out one month later.

[0064] (2) Low temperature stress: use an artificial climate incubator to carry out low temperature stress, the light intensity is 15000 Lx, the light / dark time is 12h / 12h every day, the stress treatment temperature is 6°C, and the treatment time is 3 days, and ...

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Abstract

The invention discloses a method for identifying cold resistance of anthurium andraeanum new germplasm, by measuring the chilling injury index of the whole plant of new anthurium andraeanum germplasmand three varieties with different chilling tolerance under chilling injury, 2 morphological index of petiole chilling injury index, and the change rate of relative conductivity of leaves, 2 physiological index of chlorophyll fluorescence parameter Fv / Fm change rate, and combined with principal component analysis and cluster analysis to identify the new anthurium germplasm, the indexes adopted inthis method reflect the changes of chilling injury morphology of the whole plant and the damage to membrane system and photosynthetic system, and avoid the instability of single compound indexes. Theinvestigation is comprehensive, the conclusion is scientific and the identification results are helpful to guide the breeding of new varieties of Anthurium andraeanum with cold tolerance.

Description

technical field [0001] The invention relates to a method for identifying the cold resistance of new anthurium germplasm, which belongs to the field of plant science and technology. Background technique [0002] Anthurium andraeanum is a perennial flower of the genus Anthurium in the family Araceae. Its ornamental organ is spathe, which is gorgeous in color, blooms in all seasons, and can be used for both potting and cutting. It is the second largest tropical flower in the international market (Elibox and Umaharan, 2014) . The industrial value of anthurium is extremely high, but it is extremely vulnerable to chilling damage, and the heating cost is relatively high during winter production. Therefore, breeding new varieties with high cold resistance has great industrial value for Anthurium. [0003] In the study on the cold tolerance of Anthurium, Tian Danqing et al. (Effects of low temperature stress on the leaf morphology and physiological characteristics of three Anthuriu...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06K9/62
CPCG06T7/0002G06F18/23
Inventor 李心张永春杨柳燕王桢许俊旭杨贞
Owner SHANGHAI ACAD OF AGRI SCI