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. 2012 Nov 29;161(2):705–724. doi: 10.1104/pp.112.209254

Figure 4.

Figure 4.

CK application impairs Pi stress-induced cluster root formation. All root samples were collected at 14 DAE of shoots from quartz/sand growth medium. CK-treated plants were given 10−6 or 10−7 m BA at 3, 6, and 8 DAE. A, Pi-deficient control plant. Bar = 10 cm. B, Pi-deficient plant treated with 10−6 m BA. Note the reduction in cluster roots on the BA-treated plant. C, BA application reduces the percentage of root weight of cluster roots from 20% in Pi-deficient control plants (b) to approximately 10% (±se), comparable to those of Pi-sufficient plants (a). Columns with the same lowercase letter are not significantly different (P = 0.05).