Annual report of the North Carolina Agricultural Experiment Station . Fig. 16.—Ascochyta Chrysanthemi of spores from pycnidium No. 1, largetype. 3 should cover 20 squares instead of 25. division equal jjl. VARIATION OF FUNGI DUE TO ENVIRONMENT. Pycnidium No. 2. Large Fig. 17.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnid-ium No. 2, large type. M= ± .9589 ± V = ± =254 Pycnidium No. 3. From a plate bearingone large colony. The whole colony wascharacteristically one of few pycnidia whichwere of large type and light co
Annual report of the North Carolina Agricultural Experiment Station . Fig. 16.—Ascochyta Chrysanthemi of spores from pycnidium No. 1, largetype. 3 should cover 20 squares instead of 25. division equal jjl. VARIATION OF FUNGI DUE TO ENVIRONMENT. Pycnidium No. 2. Large Fig. 17.—Ascochyta Chrysanthemi Ste-vens. Polygon of spores from pycnid-ium No. 2, large type. M= ± .9589 ± V = ± =254 Pycnidium No. 3. From a plate bearingone large colony. The whole colony wascharacteristically one of few pycnidia whichwere of large type and light color. Thespores were obtained without any possibilityof the pycnidium being torn, that is, theywere normally ripe spores. M= ± .6714 ± V = ± It is seen that these threeseparate pycnidia of the sametype gave modes of ±, ±, and ±; or. expressed interms of the systematist, thatin the three pycnidia the sporesmeasured *, *; *, mostly ; /*, mostly ; show-ing that measurements from onepycnidium alone are not suffi-cient for reliable characteriza-tion.
Size: 1825px × 1369px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1900, booksubjectagriculture
