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HomeMy WebLinkAboutReport of the Village Forester 2-19-1990.PDF2/re /e0 REPORT OF THE VILLAGE FORESTER The state of the virrage trees and environment is excerlent. The. onry problem we have had was the damage the recent wind storm caused when limbs were broken off several our beautiful trees and a few trees were uprooted. rn addition, a sur'vey of the village tast summer and this falt indicates that the gypsy moth population is increasing again, The village trees wirl be examined this spring to determine if any need treating. our focus wilr be on oak trees because these are the preferred host of the gypsy moth. The general rule we used last time to determine when a tre.e should be t:reated was: 1 egg mass per 4 inch diameter tree 3 egg masses per B inch diameter tree 6 egg masses per 12 inch diameter tree lB egg masses per 2,4 inch diameter tree These egg mass denrsities will probably resrrlt in significant br! not complete defoliation. oaks ancl other decidious trees under good moisture and nutrient conditions can tolerate two complele, and sometimes up to three defoliations and stiIl rsurvive. Note, after a single defoliation, a tree shor:ld be well fertirized ancr watered for at least two years. The egg masses arc Lan in eolor and mcasure about 0,6 inch wide and l. 5 inch .Long. The eggs, covered with tan