The Anthracnose Disease of the Raspberry And Related Plants ..
The book The Anthracnose Disease of the Raspberry And Related Plants .. was written by author Burkholder, Walter H., 1891- [from Old Catalog] Here you can read free online of The Anthracnose Disease of the Raspberry And Related Plants .. book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Anthracnose Disease of the Raspberry And Related Plants .. a good or bad book?
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During the summer of 19 13 the writer conducted a series of inoculation experiments on young raspberry canes of the Columbian variety, which were emerging from the ground. Cotton-plugged lamp chimneys were placed over these shoots, and when they were about six to eight inches high they were sprayed with a suspension of P. veneta conidia in water. The conidia were taken from the lesions on older canes, and in a few cases from pure cultures on potato agar, but in no case did more than thirty or f...orty per cent of them germinate. All inoculations were made in the evening, to avoid the evaporation of the drops of water containing the spores, and the lamp chimneys were allowed to remain over the young plants for two or three days. Check plants were used. Many of these experiments were destroyed, as they were conducted in a field which was being continuously cultivated. The final data obtained, therefore, were relatively few and scattered. Inoculations were made on the following dates: May 26, June 20 and 23, July 16, 18, and 29, and September i.
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