Introduction to Pomology MCQs (Quiz 19)

1. Plant growth regulator _________________  is often used in stone fruits like peaches to promote fruit thinning and improve final fruit size

2. ________________ is a thin, actively dividing layer of cells located between the wood and the inner bark that drives secondary growth by producing new xylem inward and new phloem/bark outward

3. In apple orchards, which PGR is commonly used to chemically thin fruitlets shortly after bloom to manage crop load?

4. Leaves function as the primary ________ by producing carbohydrates through photosynthesis

5. In the source–sink relationship, mature leaves are classified as _______________________

6. Glyphosate inhibits biosynthesis of ______________

7. In fruit plants, sink demand for photosynthates is highest during __________________

8. __________________ are the main branches in trees that grow straight out from the trunk to form the primary framework of the tree canopy

9. The fruit-bearing upper portion of a grafted plant is called the ______________

10. Photosynthate translocation is the movement of carbohydrates from leaves to developing fruits and occurs through the _____________________