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Effects of Weed Control and Irrigation on the Growth of Young Pecans

Published online by Cambridge University Press:  12 June 2017

Michael G. Patterson ,
Glenn Wehtje  and
William D. Goff
Michael G. Patterson
Affiliation:
Dep. Agron. Soils and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
Glenn Wehtje
Affiliation:
Dep. Agron. Soils and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
William D. Goff
Affiliation:
Hort. Dep. and Ala. Agric. Exp. Stn., Auburn Univ., AL 36849
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Abstract

The effect of irrigation and weed control by various mechanical and chemical means was evaluated over a 4-yr period on newly planted pecans [Carya illinoensis (Wang.) K. Koch]. Weed control effect on tree growth became evident in the second growing season, and became more pronounced after the third and fourth season. After the fourth season, the maximum increase in tree diameter (384%) was achieved with comprehensive, herbicide-based weed control. Mowing provided a 224% increase, which was equivalent to the untreated (229%). Disking and selective chemical control of grass weeds resulted in 339 and 292% increase, respectively. Cumulative increase in tree diameter was 316 and 271% with and without irrigation, respectively.

Keywords

Pecan, Carya illinoensis (Wang.) K. Koch ‘Desirable’Drip irrigationherbicidestillagemowingCarya illinoensis
Type
Research
Information
Weed Technology , Volume 4 , Issue 4 , December 1990 , pp. 892 - 894
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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