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The Feekes scale is a system to identify the growth and development of cereal crops introduced by the Dutch agronomists Willem Feekes (1907-1979) in 1941. [1] [2] This scale is more widely used in the United States [3] than other similar and more descriptive [4] [5] scales such as the Zadoks scale or the BBCH scale.
The BBCH-scale uses a decimal code system, which is divided into principal and secondary growth stages, and is based on the cereal code system (Zadoks scale) developed by Jan Zadoks. [2] The abbreviation BBCH derives from the names of the originally participating stakeholders: "Biologische Bundesanstalt, Bundessortenamt und CHemische Industrie".
BBCH-scale (sunflower) BBCH-scale (weed) C. Cereal growth staging scales This page was last edited on 20 May 2014, at 07:12 (UTC). Text is available under the ...
Growth stage Code Description 0: Germination 00: Dry seed 01: Beginning of seed imbibition 03: Seed imbibition complete 05: Radicle emerged from seed 07: Shoot emerged from seed (plumule apparent) 08: Shoot growing towards soil surface 09: Emergence: shoot emerges through soil surface 1: Leaf development 1: 10: Pair of scale leaves visible (may ...
His early research focused on wheat yellow stripe rust and other fungal plant diseases. His 1974 scale to record growth stages of cereals (the 'Zadoks scale') became the internationally recognized standard as used by the Food and Agriculture Organization of the United Nations (FAO) [6] and the International Union for the Protection of New Varieties of Plants (UPOV). [7]
For a healthier way to begin your day, opt for cereals high in protein and fiber and low in sugar and sodium -- Cheerios, Kix and Special K cereals will leave you feeling energized throughout the day.
Growth stage Code Description 0: Germination 00: Dry seed 01: Beginning of seed imbibition 03: Seed imbibition complete 05: Radicle emerged from seed 07: Shoot breaking through seed coat 08: Shoot growing towards soil surface; hypocotyl arch visible 09: Emergence: shoot breaks through soil surface (“cracking stage”) 1: Leaf development 10
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