Simpson, Ralph Arnold, 1953-

Shoot blight of red pine a survey of the disease in the Maritime Provinces and some aspects of the biology of the causal organism Sirococcus conigenus (DC) P. Cannon and Minter / [microform] : by Ralph Arnold Simpson. - Hull, Quebec : Micromedia Ltd., 1989. - 1 microfiche (65 fr.) : ill. ; 11 x 15 cm. - Canadian theses on microfiche .

Microfiche of typescript: vi, 52 leaves.

Thesis (M.Sc.)--University of New Brunswick, 1989.

Includes bibliographical references (leaves 51-52).

0315484306


Trees--Maritime Provinces.


New Brunswick--Trees.

580

Powered by Koha