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Honey Mesquite Seedling Growth and 2,4,5-T Susceptibility as Influenced by Shading

C. J. Scifres, C. R. Kienast and D. J. Elrod
Journal of Range Management
Vol. 26, No. 1 (Jan., 1973), pp. 58-60
DOI: 10.2307/3896889
Stable URL: http://www.jstor.org/stable/3896889
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Honey Mesquite Seedling Growth and 2,4,5-T Susceptibility as Influenced by Shading
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Abstract

Honey mesquite seedlings emerged and survived continuous 50% reductions in radiant energy but were reduced in oven-dry weight. General morphological changes in seedlings from shading included increased height, decrease in number of leaves and leaf area, and delay in stem woodiness. Over 70% continuous reduction in radiant energy significantly reduced seedling survival and growth. Continuous reduction in radiant energy of over 90% of full sunlight prevented honey mesquite seedling establishment. More honey mesquite seedlings which developed under shade were killed by 2,4,5-T sprays than seedlings grown under open sunlight.

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