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A kind of preparation method of tobacco disease specimen

A technology for disease specimens and production methods, which is applied in the field of species biology to achieve the effects of simple operation, high controllability and no irritating odor

Inactive Publication Date: 2015-10-07
YUNNAN AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In view of the above problems, the present invention proposes a method for preparing tobacco disease specimens, using NaHCO 3 Replace HCOOH and Cu(HCOO) 2 Treating plant specimens, the processed color becomes light green, and the color retention effect is closer to the original color than the specimens processed by the prior art, which can be reserved for teaching and scientific research for a long time, overcomes the rigidity of using wall charts in teaching, and makes up for the freshness. The specimens are easy to be damaged and the class schedule is out of touch with the season, which leads to difficulties in material selection. Not only is it convenient to use, the effect is obvious, but it also has a certain artistic and ornamental value. Low cost, simple operation, high controllability and strong practicability

Method used

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  • A kind of preparation method of tobacco disease specimen
  • A kind of preparation method of tobacco disease specimen
  • A kind of preparation method of tobacco disease specimen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] Specimen preparation for tobacco diseases on young leaves.

[0057] The first step, material selection;

[0058] According to the season, when the plant transpiration is weak in the morning, select the young tobacco leaves that are abnormally developed, diseased, and can best represent the characteristics of tobacco diseases in this season as materials.

[0059] The second step, the preparation of medicines;

[0060] Prepare 4 times NaHCO 3 The solution is poured into a wide-mouth bottle and stored for later use.

[0061] The third step, heating and color preservation;

[0062] 4 times NaHCO 3 After the solution is heated to 95-98°C and boiled, put the cleaned and sorted young tobacco leaves into it, and soak for 1 minute. During the soaking process, the container is always open, take out the young tobacco leaves, and wash them with water. net.

[0063] The fourth step, pressing and drying;

[0064] After arranging the young tobacco leaves, press and dry them. Ea...

Embodiment 2

[0069] Specimen preparation for tobacco diseases on mature leaves.

[0070] The first step, material selection;

[0071] According to the season, when plant transpiration is weak in the evening, mature tobacco leaves with abnormal development, disease and the most representative characteristics of tobacco disease are selected as materials in this season.

[0072] The second step, the preparation of medicines;

[0073] Prepare 6 times NaHCO 3 The solution is poured into a wide-mouth bottle and stored for later use.

[0074] The third step, heating and color preservation;

[0075] 6 times NaHCO 3 After the solution is heated to 95-98°C and boiled, put the cleaned and sorted tobacco leaves into the solution for soaking for 2 minutes. After the soaking is completed, the container is always open during the soaking process. Take it out and wash it off with water.

[0076] The fourth step, pressing and drying;

[0077] After arranging the mature tobacco leaves, when the back a...

Embodiment 3

[0082] Specimen preparation for tobacco diseases of late leaves.

[0083] The first step, material selection;

[0084] According to the season, when the plant transpiration is weak in the morning or evening, select the late tobacco leaves that are abnormally developed, diseased, and can best represent the characteristics of tobacco diseases in this season as materials.

[0085] The second step, the preparation of medicines;

[0086] Prepare 8 times NaHCO 3 The solution is poured into jars for storage and ready for use.

[0087] The third step, heating and color preservation;

[0088] 8 times NaHCO 3 After the solution is heated to 95-98°C and boiled, put the cleaned and sorted tobacco leaves into it, and soak for 2 minutes. During the soaking process, the container is always in an open state. Take out the late tobacco leaves and wash them with water. net.

[0089] The fourth step, pressing and drying;

[0090] After sorting the tobacco leaves, press and dry them. Each f...

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Abstract

The invention relates to a method for manufacturing a tobacco disease specimen, belonging to the biological field of species. NaHCO3 is adopted to substitute for HCOOH and Cu(HCOO)2 so as to treat a plant specimen, the treated plant specimen becomes light green and is more near the primary color than the specimen treated by the prior art in the aspect of color keeping effect, so that the plant specimen can be kept for a long time and used for teaching and scientific research; the stereotype of using a wall map in teaching is overcome, and the deficiencies that a fresh specimen is damaged easily and material selection is difficult due to the separation of a class schedule from a specimen season are made up; according to the method, the use is convenient, the effect is remarkable and certain artistry and ornamental value are achieved, meanwhile raw materials are rich and no pungent smell is generated during manufacturing, the manufacturing cost is low, the operation is simple, the controllability is high, and the practicability is strong.

Description

technical field [0001] The invention relates to a method for preparing tobacco disease specimens, belonging to the field of species biology. Background technique [0002] Biological specimens are the main basis for the identification of biological species. They are physical evidence for the study of species distribution and phylogeny. They can also provide more information about resource changes, especially the history and current status of rare and endangered biological resources. Plant specimens are also a type of biological specimens. kind. [0003] A plant specimen contains a large amount of information about the corresponding species, which plays an important role in teaching and scientific research. There are many links in specimen production and various methods. With the progress of the times, some important changes have changed the methods and means of traditional specimen collection and production. This not only greatly saves manpower and material resources, but a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N3/00
Inventor 陈兴全陈海如蔡红杨根华秦西云
Owner YUNNAN AGRICULTURAL UNIVERSITY
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