Apple rust . all day, but the hygrothermo-graph records covering that date are incomplete, and nospecial observations were made as to discharge of is worthy of note, however, that there was a light west tonorthwest wind recorded for the 23rd and 24th and our sack-ing experiments gave strong evidence that no infection tookplace on these dates. It began raining again on the evening of May 26th andcontinued most of the time during that night and the nextday A very considerable number of apple leaves became in- 22 W. Va. Agrl. Experiment Station [Bul. 154] PLATE IV. Cedar tree bearing
Apple rust . all day, but the hygrothermo-graph records covering that date are incomplete, and nospecial observations were made as to discharge of is worthy of note, however, that there was a light west tonorthwest wind recorded for the 23rd and 24th and our sack-ing experiments gave strong evidence that no infection tookplace on these dates. It began raining again on the evening of May 26th andcontinued most of the time during that night and the nextday A very considerable number of apple leaves became in- 22 W. Va. Agrl. Experiment Station [Bul. 154] PLATE IV. Cedar tree bearing a great number of good sized galls. fected with rust on the 27th and possibly a few received in-fection on the 28th. It is believed that the principal andpossibly the only sporidia discharge took place between 4 and7 P. M. on Tuesday, the 27th. A drop in humidity and a risein temperature will be noted for that period in the chart below: MONI1AY TUESDAy WEDNESDAY TEMPERATURE HOUR LINES INDICATED IN TOP MARGIN. r? HUMIDITY HOUR LINES INDICATED IN BOTTOM MARGIN Hygrothermograph chart from Monday, May 26th to Thursday, May 29th, 1913.
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Keywords: ., bookcentury1900, bookdecade1910, bookidapplerust154, bookyear1915
