| 摘要 |
PURPOSE:To provide a tobacco sucker inhibitor containing a specific benzamide derivative as an active component, effective in suppressing grown sucker of tobacco as well as young sucker at a low rate of application without lowering the quality of tobacco and having excellent resistance to rain. CONSTITUTION:The objective tobacco sucker inhibitor contains usually 1-95wt%, preferably 5-80wt% benzamide derivative of formula (R1 and R2 are H, F, Cl, lower alkyl, lower alkoxy or CF3; X is H or halogen) as an active component. The present inhibitor exhibits excellent sucker inhibiting effect superior to that of maleic acid hydrazide which is known as a sucker inhibitor. The advantages of the present agent relative to the maleic acid hydrazide are (i) sucker-inhibiting effect can be achieved without degrading the taste and flavor of tobacco at a concentration of as low as 200-4,000ppm in contrast with the concentration of about 5,000ppm required in the case of the hydrazide, (ii) even a sucker grown to almost 10cam can be sufficiently suppressed, (iii) it has sufficiently high resistance to rain to enable the inhibition of sucker even in continued rainy weather, etc.
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