Calcium-deficient plants are stunted, having distorted cupped leaves and characteristic interveinal chlorosis Symptoms appear first on new growth in cucumber plant
Calcium-deficient plants are stunted, having distorted, cupped leaves and characteristic interveinal chlorosis. Symptoms appear first on new growth in cucumber plant
Mg Yellowing and light tan burn on older leaves of deficient plant (left) compared with a healthy plant (right) Mg Yellowing between the major veins of older leaves(left) turns to a light tan papery burn(right) Younger leaves(top) are less affected
-Mg Yellowing and light tan burn on older leaves of deficient plant (left) compared with a healthy plant (right). –Mg Yellowing between the major veins of older leaves (left) turns to a light tan papery burn (right). Younger leaves (top) are less affected
Calcium deficiency of celery with high potassium Death of growing point bushy habit of growth leaves bluish green Calcium deficiency with high sodium Death of growing point growth tall, vigour greater than with high potassium Leaves medium green
Calcium deficiency of celery with high potassium Death of growing point; bushy habit of growth, leaves bluish green. Calcium deficiency with high sodium Death of growing point; growth tall, vigour greater than with high potassium, Leaves medium green
Diagnosing of Ca deficiency What is the history of the block? Are Ca related disorders common Weather? Wet, dry, hot, cool and humid? Irrigation? No correlation between leaf and fruit levels so tissues test is not reliable
Diagnosing of Ca deficiency ◼ What is the history of the block? ◼ Are Ca related disorders common? ◼ Weather? ◼ Wet, dry, hot, cool and humid? ◼ Irrigation? ◼ No correlation between leaf and fruit levels; so tissues test is not reliable
Remedies to Ca deficiency Ca Cl spraying Rate 3|b/100ga 6lb/acre concentrate a Dont repeat without rain, corrosive
Remedies to Ca deficiency ◼ CaCl2 spraying ◼ Rate: ◼ 3lb/100gal. ◼ 6lb/acre concentrate ◼ Don’t repeat without rain, corrosive