Annual District Reports: Forest Insect and Disease Survey ... - NFIS

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3.3.7 A Rust, Gymnosporangium sp.:- Light infections occurred on
the foliage of mountain ash at Crowduck Lake, north of Pine Falls and
at Wallace Lake; on hawthorns north of Dencross; and on the foliage and
fruit of Saskatoon serviceberry at Viking Lake, north of Pine Falls,
and in the Belair, Whiteshell, Agassiz and Sandilands Forest reserves.
3.3.8 Galls on Poplars, Macrophoma tumefaciens Shear:- Light
infections were noted on trembling aspen at Viking, Black, Manigotogan,
Sasaginnigak, Brereton, and Big Whiteshell lakes, and on balsam
poplar near Moose Lake and at Birch Point and on both balsam poplar
and trembling aspen along the Whitemouth River. (Fig. 9).
3.3.9 Malformation of Manitoba Maple Shoots and Foliage:- A survey
to determine the distribution and severity of 2, 4-D damage to
Manitoba maple was continued. Results of the survey are shown in the
following table:
TABLE 2
2,4-D Injury to Manitoba Maple
Eastern District of Manitoba - 1963
Place Date Degree
Examined Sampled of Injury* Remarks
agIlliSMIU.0716.101091M6
3 miles east of Whitemouth, June 19
sec. 29, tp. 11, rge. 12
E.P.mer.
None No damage; no knowledge
of spraying
in this area.
Lac du Bonnet, sec. 18,
tp. 15, rge. 11 9 E.P.mer.
Elm, sec. 29, tp. 10,
rge. 12, E.P.mer.
Ile de Chene, sec. 30,
tp. 8, rge. 4, E.P.mer.
Dencross, sec. 6, tp. 15,
rge. 8, E.P.mer.
Hadashville, sec. 32, tp.
rge. 12, E.P.mer.
July 17
June 20
June 21
July 22
8,June 30
Entire tree Cause unknown.
damaged.
Entire tree Cause unknown.
damaged.
Part of one side Spraying noted
of tree damaged. here June 17.
No damaged foliage
found.
No damaged foliage
found.
Beausejour, sec. 7, tp. 13, Aug. 12
rge. 7, E.P.mer.
No damaged foliage
found.