Hormonal dependency
When NAA was supplied to intact plantlets, initiation of
lateral meristems occurred in the same area as in excised
roots. However, the NAA concentration dependency of
lateral initiation was modi®ed: supplying 10−& m NAA
induced, on average, 2±3 lateral meristems, whereas
10−' m NAAonly induced an average of 0±8 lateral meristems
per root tip (Table 1). In contrast, supplying 10−' m NAA to
Hormonal dependencyWhen NAA was supplied to intact plantlets, initiation oflateral meristems occurred in the same area as in excisedroots. However, the NAA concentration dependency oflateral initiation was modi®ed: supplying 10−& m NAAinduced, on average, 2±3 lateral meristems, whereas10−' m NAAonly induced an average of 0±8 lateral meristemsper root tip (Table 1). In contrast, supplying 10−' m NAA to
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