. Fio. 137.—Sderotinia haccarwn on Myrtillus. Young shoot of Bilberry with deformed branch bearing white conidial patches on its lower side ; also a withered leaf. A, Conidial chains, and a portion enlarged. B, Shoot with aii upper healthy ripe berry and a lower mummified one. C, Peziza-cup developed from a sclerotium. D, Ascospores ; the smaller incapable of germination, another germinating and giving off sporidia. (After Woronin.) them as ; " Finally, the germ-tubes penetrate between the elements of the outer rind already killed, and there develop to a stro
. Fio. 137.—Sderotinia haccarwn on Myrtillus. Young shoot of Bilberry with deformed branch bearing white conidial patches on its lower side ; also a withered leaf. A, Conidial chains, and a portion enlarged. B, Shoot with aii upper healthy ripe berry and a lower mummified one. C, Peziza-cup developed from a sclerotium. D, Ascospores ; the smaller incapable of germination, another germinating and giving off sporidia. (After Woronin.) them as ; " Finally, the germ-tubes penetrate between the elements of the outer rind already killed, and there develop to a stroma-like cushion of large-celled pseudo- parenchyma from which the chains of conidia emerge through the ruptured ; (Saccardo also mentions Scl. oreophila Sacc. on leaves of Vaccinnim Vitis-Idaea.) Sclerotinia oxycocci Wor. The sclerotium disease of the true cranberry ( Vaccinium Oxycoccus). The spores of this species are smaller than those of the preceding; each ascus contains four
Size: 2182px × 2290px
Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, bookpublisherl, booksubjectfungi
