Which of the following is a fruit thinning plant growth regulator?
Naphthalene acetic acid is used at concentration ranging from 3 to 20 ppm as a fruit thinner PGR.
| List I | List II |
| Equipment | Parameter |
| A. IRGA | I. Transpiration rate |
| B. Porometer | II. Water potential |
| C. Osmometer | III. Photosynthetic rate |
| D. Pressure bomb system | IV. Osmotic potential |
