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Agronomic Services — Wheat Tissue Sampling, slide 3 of 12

Determining Zadoks GS 30 (Feekes GS 5)

determination of Feekes growth stage 5.

At Zadoks GS 30 (Feekes GS 5), the growing point will be
1/2 inch above the crown.
At this stage of growth,
the stem has begun to
elongate and leaf sheathes
are erect.
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Last Update December 16, 2010


NCDA&CS Agronomic Services Division, Colleen M. Hudak-Wise, Ph.D., Director
Mailing Address: 1040 Mail Service Center, Raleigh NC 27699-1040
Physical Address: 4300 Reedy Creek Road, Raleigh NC 27607-6465
Phone: (919) 733-2655; FAX: (919) 733-2837

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