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Studies were conducted during 1999 and 2000 to assess the effects of seeding rate and fungicides on cotton stand and yield. Cotton was seeded at 1, 3, or 6 seed per foot. Fungicide treatments included black seed (not treated with a fungicide), commercial seed treatment, or commercially treated seed with an in-furrow application of Terraclor Super X EC (2 qt/A). The commercial fungicide seed treatment and the seed treatment plus an in-furrow fungicide spray significantly increased stand over black seed 19% and 23%, respectively. However, yield was not improved with the addition of the fungicide treatments and the greatest effect on yield stability was achieved by manipulating seeding rate. The seeding rate of 3 seed/ft never produced stands equal or greater than 2 plants/ft, suggesting more work may be required to accurately define the interaction of seeding rate, fungicide treatment, and optimum yield. The consistent results of 6 nontreated seed/ft, implies black seed may be a good at-plant option. |
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©National Cotton Council, Memphis TN |
Document last modified XXXXXX, XXX XX 2001
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