Evaluation and identification method for flooding tolerance of magnoliaceae plants

An identification method and a technology of waterlogging resistance, applied in botanical equipment and methods, horticultural methods, scientific instruments, etc., can solve problems in research, development and utilization, and achieve the effect of simple and easy operation

Inactive Publication Date: 2019-06-21
PALM ECO TOWN DEV CO LTD
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Problems solved by technology

These precious natural features have not yet been systematically researched and developed

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  • Evaluation and identification method for flooding tolerance of magnoliaceae plants
  • Evaluation and identification method for flooding tolerance of magnoliaceae plants
  • Evaluation and identification method for flooding tolerance of magnoliaceae plants

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Embodiment Construction

[0034] A method for evaluating and identifying the waterlogging tolerance of Magnoliaceae plants, comprising the steps of:

[0035] (1) Potted flooding identification method is adopted: the 2-year-old magnolia seedlings of different types are flooded, and the flooding is 2 cm above the soil surface, and the flooding is continued for 60 days;

[0036] (2) To formulate the grading range and scoring standard of the magnolia waterlogging tolerance morphology evaluation index: according to the phenotypic changes of the magnolia germplasm during the flooding process, four items were selected: leaf color change, plant wilting, stem base change and survival rate change Indexes are graded and scoring standards are formulated, and the evaluation is shown in Table 1, Table 2, Table 3 and Table 4;

[0037] Table 1: Grading range and scoring standard of leaf color change index

[0038]

[0039] Table 2: Grading scope and scoring standard of plant wilting index

[0040]

[0041] Tab...

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Abstract

The invention discloses an evaluation and identification method for the flooding tolerance of magnoliaceae plants. Through flooding stress on different magnolia germplasms, the phenotypic change of the magnoliaceae plants in the flooding process is observed and recorded, through the four indexes of the leaf color change, plant wilting condition, stem basal part change and survival rate change, thephenotypic change is quantitatively graded, a grade score standard and an evaluation scheme are formulated, then the flooding tolerance is comprehensively evaluated through the sum of all index scores, and an evaluation system is established. According to the method, the quick, easy and convenient evaluation system for the flooding tolerance of the magnoliaceae plants is established for the firsttime, flooding tolerance resources are evaluated and identified, the flooding tolerance grade of the magnoliaceae plants is determined, and the basis is laid for flooding tolerance seed cultivation of magnolia and flooding tolerance evaluation work of the large-scale magnolia germplasms.

Description

[0001] 【Technical field】 [0002] The invention relates to a method for evaluating and identifying the waterlogging tolerance of magnolia plants, belonging to the technical field of plant cultivation and breeding. [0003] 【Background technique】 [0004] Magnoliaceae plants have beautiful trees, large, bright and fragrant flowers, few pests and diseases, and can absorb a variety of harmful gases. They are one of the best plants for building low-carbon ecological garden cities. China is known as the "Magnolia Kingdom". It is the country with the richest magnolia plant resources. There are 11 genera and more than 160 species. Magnoliaceae plants are mostly fleshy roots. Avoid low humidity. Water in the planting site is easy to rot the roots, which is extremely limited. The popularization and application of this family of plants in rainy areas such as East China and South China. A few years ago, researchers found that the main roots of some Jingning magnolias in the natural habit...

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Application Information

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IPC IPC(8): A01G17/00A01G7/00G01N33/00
Inventor 王晶王亚玲严丹峰岳琳赵珊珊简向阳甘美娜冯承婷
Owner PALM ECO TOWN DEV CO LTD
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