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High-efficiency living body identification method for cold-resistant performance of plant

An identification method and cold resistance technology, applied in the direction of testing plants/trees, material resistance, instruments, etc., to achieve rapid measurement and high accuracy

Active Publication Date: 2019-10-08
HAINAN UNIVERSITY
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, based on the information we have, there is no research to infer the difference between plant samples by measuring the capacitance value.

Method used

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  • High-efficiency living body identification method for cold-resistant performance of plant
  • High-efficiency living body identification method for cold-resistant performance of plant
  • High-efficiency living body identification method for cold-resistant performance of plant

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Experimental program
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Embodiment Construction

[0017] Referring to the accompanying drawings, the present invention will be further described in conjunction with specific embodiments, so as to better understand the present invention.

[0018] 1 Materials and methods

[0019] 1.1 Test material

[0020] The test materials were taken from the avocado germplasm resource nursery of Danzhou Campus, Hainan University. The tested varieties were 38 avocado germplasms, and three six-year-old trees with good growth were selected for each germplasm. The sampling time was from December 2017 to January 2018, and 18 complete mature leaves of the same size that were basically the same size and free from diseases and insect pests were collected from the east, south, west and north of each tree, of which 9 were directly on the tree. The capacitance value was measured in vivo, and the other 9 sheets were wrapped with wet gauze and put into a ziplock bag, and brought back to the laboratory for the determination of relative conductivity.

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Abstract

The invention provides a high-efficiency living body identification method for the cold-resistant performance of a plant. The method comprises the following steps: (1), measuring the capacitance of asuitable part of a mature leaf of a plant by using a capacitance tester; (2), comparing capacitances of the same parts of different types of mature leaves of plants and indicating the low cold-resistant performance of the type by the lower capacitance. According to the invention, the capacitance tester measures the capacitances of suitable parts of the mature leaves of the plants at field to identify and compare the cold-resistant performance relationship of different types of plants. Because the method does not require the low temperature stress process of the plant sample, the method can beperformed at a normal temperature. The method has characteristics of simpleness, great convenience, high accuracy, and non-destructive detection and is novel method for measuring the cold-resistant performance of a plant in field efficiently and rapidly.

Description

technical field [0001] The invention relates to a plant cold resistance identification method, in particular to a plant cold resistance high-efficiency living body identification method. Background technique [0002] Avocado (Persea americana Mill.) is a kind of fast-growing evergreen tree fruit tree of Lauraceae Avocado, also known as avocado, avocado, commonly known as avocado. Avocado is a famous tropical and subtropical fruit tree that originated in Central America, tropical humid areas of Mexico and higher altitude mountain forests or tropical plateaus. Avocado was introduced to China in 1918 and is now distributed in tropical and subtropical regions such as Hainan, Guangdong, Guangxi, Guizhou, Yunnan, and Taiwan. Low temperature is an important limiting factor for fruit tree cultivation. Avocados often suffer from severe cold damage due to low temperature in winter in northern Guangxi and Guizhou subtropical high-altitude areas. In some cases, the branches and leaves ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00G01N27/22G01N27/04
CPCG01N27/041G01N27/22G01N33/0098
Inventor 李萃玲李茂富吴凡郑春林朱靖杰彭文丽姜昊
Owner HAINAN UNIVERSITY
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