Old leaves bluish-green with scorched margins (brown or grey). Margins may first appear light green and later turn necrotic. Necrosis progresses from the margins inward to the midrib.
Potassium deficiency
Frost and drought can cause similar symptoms
Old leaves bluish-green with scorched margins (brown or grey). Margins may first appear light green and later turn necrotic. Necrosis progresses from the margins inward to the midrib.
Potassium deficiency
Frost and drought can cause similar symptoms