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Foli-Cal RTU is a liquid formulation of calcium for preventing and treating plant physiological disorders associated with calcium deficiency. Some of these are Bitter Pit of apples, Blossom End-rot of tomatoes, peppers and melons; Brown Checking (black heart) of celery; Internal Brown Spot of potato tubers; Cork Spot of pears; Internal Browning of grapes, etc. Foliar sprays of Foli-Cal RTU are intended to complement good soil fertility by supplying nutrients directly to the foliage, roots and fruit of crops during critical growth stages.
What is calcium?
Calcium is a naturally occurring metal that is vital for growth and development of plants and animals.
Why do plants need Calcium?
Calcium is the main constituent of cell walls and membranes. When calcium is in short supply, cell division and the development of the growing point and root tips are affected. Calcium protects the cells from toxins and slows the aging process. Adequate calcium in fruit assures longer shelf life once it's been harvested.
What are the symptoms of calcium deficiency in plants?
Foliar symptoms are rarely seen. Since calcium does not move well within the plant, death of the growing point or tissue breakdown are the symptoms commonly seen. This is known as blossom end rot on tomatoes and peppers (large brown areas on the underside of the fruit), tip burn on lettuce, internal browning on brussel sprouts, black heart on celery, bitter pit on apples and tip burn on strawberries.
Can I correct a calcium problem once I see symptoms?
No. Since these vegetables bloom throughout the season, you can not help the fruit that has already been affected. However, an application of Foli-Cal will help the new fruit that are being formed as the plant blooms.
I have been told that there is plenty of calcium in the soil so why would I need to correct calcium deficiency?
It is true that there is plenty of calcium in most soils. However, calcium is very non-mobile in the plant. Under periods of high stress (blooming, high fertilization, high or low moisture, etc.), the plant can not get enough calcium to the growing point, resulting in some of the previously described symptoms. This can be corrected by supplementing the plant during these periods with a foliar calcium spray, making sure the fruit and growing points are contacted with the spray.
How is Foli-Cal used?
On tomatoes and other vegetables, apply every two weeks during the blooming period. Begin application at the 10 - 12 leaf stage. On fruit trees and vines, apply every two weeks throughout the growing season.
Item Number: 139352
Universal Product Code: 022179103993
Manufacturer: Monterey Lawn and Garden Products
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