A study of the total ultraviolet exposure to all the leaves for small plant growth
作者： A.V. Parisi , J.C.F. Wong , V.J. Galea
DOI: 10.1016/S1011-1344(98)00157-2
关键词:
摘要: A dosimetric spectrum evaluator was employed to evaluate the total biologically effective UV (UVBE(plant)) on surface of all leaves small plants. It applied UVBE (plant) soybean (Glycine max [L.] Merr.), cultivar Essex. The plants received three levels averaged over (0, 8.1 and 15.8 J cm-2) from emergence V7 growth stage. As canopy closure occurred with plant growth, ratio average compared that uppermost set changed 0.85 0.50 0.29 for V2, V4 stages respectively. Measurement at top would introduce errors 18%, 100% 245% respectively actual exposure leaves. evaluation leaf allows formulation models defining response such as suppression height area in terms along effects fresh dry weights leaves, stems roots.
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