Yield Probability Forecasts Using Plant Monitoring

Kater Hake and Koy Stair


Plant monitoring techniques describe the current plant status and potential for further development. In long growing seasons, plant compensation late in the effective bloom period complicates any prediction of yield potential. Where effective bloom periods are short (<5 weeks), a delay in maturity invariably results in yield loss and thus compensation is decreased. This simplification of yield components in short growing seasons was utilized on the High Plains to develop an evolving model that could provide producers with yield probability estimates based on plant monitoring data at first bloom. For 1993, under conditions of high square retention, yield was highly correlated with Nodes Above White Flower at first bloom, yield = 74.3x10((0.139NAWF)), R2 = 0.62.

Reprinted from Proceedings of the 1994 Beltwide Cotton Conferences pg. 1279
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998