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Influence of Ultra Narrow Row on Cotton Growth and Development

S.D. Atwell


Ultra narrow row cotton (UNRC) production (10" or less) is now a possible management option for growers across the cotton belt. Decreasing the distance between plants will reduce lateral branch length while Pix plant regulator will reduce vertical growth making broadcast stripper harvest feasible. Our objective was to build an economical system to grow higher yielding, high quality, short season cotton across a wide variation of soils, topography, and tillage conditions. Plants were grown in row spacings from 10 to 40 inches. As row spacing decreased cotton plants changed from a conical to a columnar structure. When Pix plant regulator was applied plant height was significantly reduced. When UNRC was treated with Pix there was a dramatic increase in the number of first fruiting positions per acre, and a decrease in second and other positions. This resulted in a yield increase of high quality cotton.

Reprinted from Proceedings of the 1996 Beltwide Cotton Conferences pp. 1187 - 1188
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998