The Big Sandy Mountaineer -

Green Acres


September 13, 2017

Factors Affecting Wheat Germination and Stand Establishment in Hot Soils

Hot soil conditions at sowing also reduce coleoptile length. The coleoptile is a rigid, protective structure that covers the emerging shoot to aid it in reaching the soil surface. Once the coleoptile breaks the soil surface, it stops grow¬ing and the first true leaf emerges. If the coleoptile does not emerge through the soil surface, the first true leaf emerges below ground, takes on an accordion-like appearance, and the wheat plant typically dies.

For this reason, wheat should never be sown deeper than the coleopti...

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