Record Details

Title:
Boron deficiency and toxicity symptoms for several crops as related to tissue boron levels
Author(s):
Publication date:
1983
Summary:
Boron deficiency symptoms in snap beans (Phaseolus vulgaris L.) showed as general yellowing of tops with slow flowering and pod formation, while toxicity caused reduced growth and burned dark brown older leaves especially on the edges. In radish (Raphanus sativus L.), B deficiency resulted in roots which were brown upon cutting and had thick periderm. Even at 4 ppm applied B, no visible B toxicity was noted in radish. The plant tissue B levels of less than 9 to 12 ppm were associated with B deficiency in radish and beans; and greater than 125 ppm with B toxicity in beans. In tomatoes (Lycopersicon esculentum, Mill) B deficiency resulted in reduced growth while B toxicity at 4 ppm applied B caused poor and slow germination. Boron deficiency and in tomatoes were related to < 12 and) 172 ppm B, respectj tissue. No B deficiency was noted in corn (lea mays timothy (Phleum pratense L.). The B toxicity in these t appeared as marginal burning and dark brown tips of olde and was related to greater than 98 and 176 ppm tissue E and timothy, respectively.
Call number:
REP.G2069
Journal citation:
Contact information:
harvest@worldveg.org

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 Record created 2004-12-27, last modified 2019-02-22


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