Ground Cover Supplement : GC Supplement - Frost
Identifying frost 10 identifying frost in wheat in the event of severe frost, monitoring needs to occur for up to two weeks after the event to detect all the damage. accurate assessment of frost damage can help with decisions about whether and when to cut for hay or leave for grain harvest. an inspection five to 10 days after the frost event will reveal whether grain development has been affected. PHOTOS: DR BEN BIDDULPH EMERGING WHEAT HEAD a frost-damaged floret on an emerging head. exposed florets cannot tolerate low temperatures and will usually be sterile. FROST-DAMAGED HEADS Peel open the floret and inspect the developing grain. Frosted wheat heads appear bleached and grain fails to develop. FROST-DAMAGED HEADS Cold conditions and frost can damage florets during booting and render them sterile. HEALTHY DEVELOPING GRAIN Peel open the floret and inspect the developing grain. Healthy developing grain is light to dark green, plump and exudes a white milky dough when squeezed. Frosted developing grain is white, turns brown and has a dimpled and crimped appearance.
GC Supplement - Profit from crop nutrition 2013
GC Supplement - Cereal foliar fungal diseases