R3 Stage: Beginning Pod Development

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R3 Large

When one pod on one of the four upper nodes reaches three-sixteenth inch long, the plant is at R3. This usually occurs between V11 and V17. Plants are 23 to 32 inches tall. Typically, 60 to 75 percent of flowers abort, but stress can increase the loss. Temperature or moisture stress can limit pod numbers, beans per pod or bean size. Because of its long flowering period, the plant can compensate some for losses, but its ability to make up ground dwindles as it approaches R5.


Pests to Scout For:

Use this information as a guide and it should not be the only factor in making decisions.

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Reproductive Soybean Growth Stages & Scouting Tips

» R1: Beginning Bloom

» R2: Full Flowering

» R4: Full Pod

» R5: Beginning Seed

» R6: Full Seed

» R7: Beginning Maturity

» R8: Full Maturity

Vegetative Soybean Growth Stages & Scouting Tips

» Vegetative Growth Stages