Study Summary
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| Treatment | Timing |
| a. control b. Chondrostereum purpureum - strain 1 c. C. p. strain 2 d. C. p. strain 3 e. sterile culture medium f. cutting once g. cutting repeated annually h. thinning clump to one shoot i. RELEASE® - low volume basal application j. RELEASE® - low volume basal application k. RELEASE® - cut stump application l. VISION® - cut stump application |
- Oct. 92 " " " " " " " Feb. 93 Oct. 92 " |
Cut stump applications of triclopyr ester or glyphosate and low volume basal application of triclopyr ester in diesel (30% v/v) gave excellent control of bigleaf maple (Figure 1. (225k jpg)). Application of Chondrostereum purpureum culture to cut stumps did not have any significant effect on maple sprout clumps during the first year after treatment.
Cutting by itself significantly reduced height and crown width but significantly increased the number of live sprouts over that of uncut sprout clumps (Figure 2. (125k jpg)).
Leaving one sprout at the time of cutting did not significantly reduce first year height, crown width, or number of sprouts when compared to cutting all sprouts.