Materials: roses, oven, specific steps:

1. Prepare roses and put them on the oven baking net.

2. Then trim the size of the rose branches, which are too big to put in the oven.

3. Then put the roses in the oven.

4. bake at 2 degrees for 5 minutes.

5. The roasted roses can be used as specimens.

Precautions for the preservation of flower specimens:

1. When exposed to sunlight, the specimens are easy to change color or decolor, and lose their primary colors.

2. It is best to make the temperature of the specimen room not more than 28°C and not less than C. If the temperature is too high, the specimen will be deformed, juicy and rotten. If the temperature is too low, the color of the specimen will change.

3. The storage time should not be too long.

4. To prevent the growth of miscellaneous bacteria, it is necessary to avoid moving frequently, make a good specimen cabinet, and store the specimens in different categories.

5. Specimens should be kept in a special counter, which should be put in different categories. In order to prevent mildew and moth-eaten, the specimen counter should be put in a dry place, and some camphor balls should be put in the cabinet for regular inspection and maintenance.