Early evaluation method for salt tolerance of willow coastal mud flat

An identification method and a technology of salt tolerance, applied in botany equipment and methods, soilless cultivation, cultivation, etc., can solve the problems of poor accuracy, large errors, and low efficiency, and achieve less experimental materials, fast identification, Apply a wide range of effects

Inactive Publication Date: 2013-08-21
INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU
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AI Technical Summary

Problems solved by technology

The traditional identification method is to identify directly on the basis of planting in saline-alkali land by comparing its survival rate, growth amount, and fresh-to-dry weight ratio. Time-consuming and labor-intensive, with large errors, low efficiency and interference from the external environment, the accuracy rate is poor

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] A method for early identification of willow coastal salt resistance, comprising the following steps:

[0020] (1) Cut the annual twigs from the branches, cut them into 8-10cm long, cut the lower part obliquely at the branch at 45 degrees to expand the contact area, and cut the upper part flat, leaving only two leaves on each twig, and cut the leaves in half;

[0021] (2) Use a light incubator, set up a 12-hour light and 12-hour dark light environment, the light intensity is 3300Lux, the temperature is set at 25°C, and the glass door of the incubator is shaded with black cloth to reduce experimental errors;

[0022] (3) Take seawater and dilute it into solutions with different mass concentrations of salt content of 1‰, 2‰, 3‰, 4‰, 5‰, and 6‰, and pour the above-mentioned solutions with different concentrations into a black plastic tank;

[0023] (4) Production of cutting boards: punch holes in a 2cm thick polystyrene board with a hole diameter of 0.7-0.8cm to make cutti...

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Abstract

The invention discloses an early evaluation method for the salt tolerance of the willow coastal mud flat. The method comprises the following steps of: taking a one-year old twig from the limb; diluting sea water into solutions with different mass concentrations of salt content; pouring the solutions with different concentrations into a black plastic water tank respectively; making a cottage plate; inserting the twig into the cottage plate; and culturing the water tank in an illumination culture box. The method disclosed by the invention is easy to master and convenient and quick and basicallynot limited by external environment, and can be implemented all year round; the evaluation speed is high, and generally the evaluation result can be obtained in one week; and moreover, the method requires few experimental materials, has small error and high efficiency, and is widely applicable.

Description

technical field [0001] The invention relates to an early identification method for the salt tolerance of willow coastal beaches. Background technique [0002] Willow, Salicaceae Salicaceae, deciduous trees or shrubs, sparse creeping small shrubs. Branchlets without terminal buds, with 1 bud scale. Single leaf, lanceolate or ovate-lanceolate, leaf margin serrated, rarely entire, petiole short. Flowers unisexual, dioecious, stamens 2, 3, 5 or many, filaments with glands at base. Female flowers without perianth, capsule, 2-lobed. The seeds are small and hairy, and the plants have a certain salt tolerance. [0003] The salt tolerance of forest trees is a comprehensive expression of the interaction of many characters. At present, there is no unified and perfect index identification system at home and abroad. Different trees have different salt tolerance due to their different salt tolerance methods and mechanisms. The traditional identification method is to identify directly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/02
CPCY02P60/21
Inventor 张健李敏李玉娟谈峰冯稀民丛小丽
Owner INST OF AGRI SCI ALONG YANGTZE RIVER IN JIANGSU
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