Ransom Seed Laboratory - About us - Article 2 - Evaluation of TZ tests on small vegetable seeds

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Evaluation of Tetrazolium (TZ) Tests on Small Vegetable Seeds


Lettuce cotyledons - NORMAL, no damage	Lettuce embryo - TZ VIABLE

Lettuce cotyledons - ABNORMAL Physiological necrosis over 50% of cotyledon	Lettuce embryo - TZ NON-VIABLE Decayed at the point of attachement