Initiation of callus
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Initiation of callus |
| Wounding may result in callus formation at the cut/damaged ends of stems or roots. Callus formation has been observed in almost all groups of living plants. |
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| The initiation of wound callus is a protective response by the plant; cell division is activated as a result of changes in the endogenous balance of the phytohormones. Mechanical injury, invasion by microbes and insect attack may also result in callus production. |
Wound callus on the stem |
