What are the PGR for roots?
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The usual approach in applying exogenous plant growth regulators (PGRs) to fruit trees is through foliar sprays. However, the retardant paclobutrazol enters the plant mainly through the roots. A common way to target the roots is via a soil drench.
Answered by
3
Answer:
The usual approach in applying exogenous plant growth regulators (PGRs) to fruit trees is through foliar sprays. However, the retardant paclobutrazol enters the plant mainly through the roots. A common way to target the roots is via a soil drench.
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