________________is a semidwarf wheat variety introduced from Mexico.

Answer

**Step-by-Step Text Solution:**

1. **Identify the Type of Wheat Variety**: The question asks for a semidwarf wheat variety, which indicates that it is a type of wheat that has been bred to be shorter in height compared to traditional varieties.

2. **Source of the Wheat Variety**: The question specifies that this semidwarf wheat variety was introduced from Mexico. This hints that we are looking for a specific variety that has its origins in that country.

3. **Name the Wheat Variety**: The semidwarf wheat variety introduced from Mexico is known as "Sonora 64." This name is significant as it represents a specific cultivar that has been modified for better yield.

4. **Characteristics of Sonora 64**: Sonora 64 is characterized as a semi-dwarf variety, meaning it has a shorter stature. This trait is beneficial as it can lead to increased stability and higher productivity.

5. **Modification Process**: The variety Sonora 64 was developed using gamma radiation to modify normal wheat, enhancing its characteristics for better cultivation and yield.

6. **Importance in Agriculture**: Sonora 64 is recognized for its high productivity and is widely used in food production, making it an important variety in agricultural practices.

**Final Answer**: Sonora 64 is a semidwarf wheat variety introduced from Mexico.

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