...late summer and autumn infections. In these cases the blight usually continues througli the winter. The germs keep alive along the advancing margin of...their development is very slow, it is continuous. Probably the individual microbes live longer in winter. At any rate, the infected bark retains its...

...late summer and autumn infectious. In these cases the blight usually continues through the winter. The germs keep alive along the advancing margin of...their development is very slow, it is continuous. Probably the individual microbes live longer in winter. At any rate, the infected bark retains its...

...late summer and autumn infections. In these cases the blight usually continues through the winter. The germs keep alive along the advancing margin of...their development is very slow, it is continuous. Probably the individual microbes live longer in winter. At any rate, the infected bark retains it*...

...late summer and •autumn infections. In these cases the blight iisually continues through the winter. The germs keep alive along the advancing margin of...their development is very slow, it is continuous. Probably the individual microbes live longer in winter. At 'any rate, the infected bark retains its...

...regions of the tree where the blight was active at the close of the growing season. "The bacteria remain alive along the advancing margin of the blighted area,...their development is very slow, it is continuous". He also adds that occasionally infections keep running down the twigs, get into the fleshy bark, and...

...idea that the pear blight germs pass the winter in the soil, and is convinced that they remain alive in those regions of the tree where the blight was...microbes that have outlived the winter start anew and renew their work. Next comes the new growth and the blossoms and the gum that exudes from the blighted...