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Results for your query: docsPerPage=100;f234-subject=shot berriesSun, 01 Jan 2006 12:00:00 GMTFall foliar sprays prevent boron-deficiency symptoms in grapes. L. Peter Christensen, Robert H. Beede, William L. Peacock
http://xtf.cdlib.org:8080/xtf/data/pdf/calag60-2/calag60-2.pdf
Foliar spraying was found to be an effective method to rapidly increase boron levels in most vegetative and reproductive tissues in grapevines. The reduction of fruit-set deficiency
symptoms with a pre-bloom or bloom spray was immediate but not complete. Foliar sprays applied during the previous fall were more effective in reducing such symptoms than pre-bloom or bloom
sprays. This may be due to the earlier incorporation of boron in reproductive tissues, especially dormant buds. Grapevine foliage is also more tolerant to boron postharvest in the fall, when 1
pound per acre of actual boron can be safely applied. Spring and summer sprays of boron should be limited to 1/2 pound per acre per application to avoid phytotoxicity.http://xtf.cdlib.org:8080/xtf/data/pdf/calag60-2/calag60-2.pdfSun, 01 Jan 2006 12:00:00 GMTDrip irrigation can effectively apply boron to San Joaquin Valley vineyards. William L. Peacock, L. Peter Christensen
http://xtf.cdlib.org:8080/xtf/data/pdf/calag59-3/calag59-3.pdf
Boron deficiency of grapevines occurs occasionally on the east side of the San Joaquin Valley. Its symptoms include shot berries, shoot-tip dieback and leaves with yellowish mottling
between veins. Boron must be applied carefully because the range between deficiency and toxicity is narrow. Our research evaluated the safety and efficacy of boron fertigation of grapevines
using drip irrigation. Applying boron annually at 1/3 pound per acre to a moderately deficient vineyard elevated tissue levels into the adequate range within 2 years. However, the amount of
boron used in a fertigation maintenance program will vary with leaching potential. Blade samples should be routinely monitored following fertigation and fertilizer amounts adjusted accordingly
to avoid boron toxicity or deficiency.http://xtf.cdlib.org:8080/xtf/data/pdf/calag59-3/calag59-3.pdfSat, 01 Jan 2005 12:00:00 GMT