Soil drench applications of paclobutrazol (0, 0.5, 1, 2, 4, 8, 16, and 32 mg a.i·pot -1 ) to greenhouse grown pecan seedlings reduced plant height, plant dry weight, organ dry weight, in ter node length, leaf thickness, leaf area, and chlorophyll content. Carbohydrate levels (mg·g dry weight -1 and mg·g plant -1 ) in treated plants increased. Total plant carbohydrate levels were unchanged at levels ≤ 2m g a.i.·pot -1 , but plants of reduced size showed increased levels of carbohydrates per mg of tissue. Seedlings treated with high levels of paclobutrazol had a slight tendency for increased net photosynthesis.
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Bruce W. Wood (1984) studied this question.
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