Table 5 Severity of meristematic cell damage induced by MTD.

From: Integrated evaluation of methidathion-induced toxicity in Allium cepa with a multifactorial biological approach

Groups

Epidermis cell damage

Cortex cell damage

Flattened nucleus

Bi-nucleolus cell

Control

-

-

-

-

15 mg/L MTD

∆

∆

∆

∆

30 mg/L MTD

∆∆

∆∆

∆∆

∆

45 mg/L MTD

∆∆∆

∆∆∆

∆∆∆

∆∆

  1. (-): no damage, (∆): slight damage, (∆∆): moderate damage, (∆∆∆): severe damage.
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