Plant Cell Culture
Agrobacterium based gene transfer is efficient

only with monocots
only with dicots
with majority monocots and few dicots
with both monocots and dicots

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Plant Cell Culture
In a callus culture

only auxin is required for root and shoot formation
increasing level of auxin to a callus induces shoot formation and increasing level of cytokinin promote root formation
auxins and cytokinins are not required
increasing level of cytokinin to a callus induces shoot formation and increasing level of auxin promote root formation

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