Abstract
1. Cultivated tobacco plants in field were topped, and water solution of Maleic Hydrazide was applied to the plants. Difference between the standard plots and MH applied plots, in the fresh leaf weight did not proved itself. The drying percentage the yield quantity and the quality of harvested leaves, and the total price of them per unit area, however, showed remarkable increase, especialy in plots, sprayed with 0.5 % solution of MH-30, each 20cc on every tobacco plant. 2. In regards to the effect of sucker prevention, the results of tests with various MH supplied from 4 companies each in two concentrations, namely 0.2 and 0.4 %, indicated that MH-30 was always superiors to MH-40. (Received April. 4, 1954)
