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Method for evaluating waterlogging tolerance of petunia

An evaluation method and petunia technology, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of petunia's waterlogging resistance, which is rarely reported, and achieve simple and effective operation

Inactive Publication Date: 2020-02-28
SHANGHAI INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Previous studies on petunia's heat resistance and disease resistance have made some achievements, but the research on petunia's waterlogging tolerance has rarely been reported.

Method used

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  • Method for evaluating waterlogging tolerance of petunia
  • Method for evaluating waterlogging tolerance of petunia

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Experimental program
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Embodiment Construction

[0042] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings, so as to help understand the content of the present invention.

[0043] Such as figure 1 Shown, for the evaluation method of a kind of petunia waterlogging tolerance provided by the invention, evaluation method comprises the steps:

[0044] (1) Select test material

[0045] Petunia root seedlings with a growth cycle of 8 weeks in the same growth state were selected as test materials, and the plants were cultivated in the same waterlogging stress environment. Identification method, flooding 2-3cm above the soil surface, continuous flooding for 4 days;

[0046] (2) Selected evaluation indicators

[0047] The phenotypic changes of plants during flooding, including leaf color, leaf wilting degree, stem color and stem shape, are used as evaluation indicators;

[0048] (3) Determine the evaluation index of the evaluation index

[0049] 1) According to...

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Abstract

The invention discloses a method for evaluating waterlogging tolerance of petunia. The method comprises the following steps of using different root seedlings of petunia as test materials, and using apotted water flooding identification method with the soil surface flooded by 2-3cm for continuously flooding for 4 days; taking phenotypic changes of the plant during flooding, including leaf color, leaf wilting degree, stem color and stem morphology as indicators of evaluation; selecting high-quality variety of petunia with high waterlogging tolerance after calculating the total score based on the graded score criteria; establishing a fast and effective waterlogging tolerance evaluation system that can objectively reflect the true status of waterlogging damages based on the changes in leaf color, leaf wilting degree, stem color and morphology, and correctly evaluating the waterlogging tolerance of different petunia strains to excavate excellent waterlogging germplasm resources.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation and breeding, in particular to a method for evaluating the waterlogging tolerance of petunias. Background technique [0002] Petunia (Petunia×hybrida) is a perennial herbaceous plant of Solanaceae, which is an important garden landscape flower. It is native to Argentina in South America and is now widely cultivated all over the world. Petunias are large and numerous, with a long flowering period and rich colors. They are excellent flowers for flower beds and planting pots. Technical analysis [J]. Modern Horticulture, 2019 (01): 58-59). Suitable climate or greenhouse cultivation can bloom in four seasons. It can be widely used in flower bed layout, planter configuration, scenic spot decoration, window sill decoration and home decoration, etc. Petunia is a long-day plant that likes a warm and sunny environment, and is not frost-tolerant and afraid of rain and waterlogging. Therefore, p...

Claims

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Application Information

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IPC IPC(8): G01N33/00
CPCG01N33/0098
Inventor 尹冬梅韩竹青赵倩董婷婷高巍高腾
Owner SHANGHAI INST OF TECH
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