SPELL of damp, warm weather
usually results in an epidemic of potato blight. The fungus causing this trouble is sometimes seen in June in forward districts, but towards the end of July and in August it is at its worst. Remember, it is damp weather which causes this damp and mouldy complaint. The yellowing and drying leaves is not potato blight. Blight is first seen as small greyish or black patches on the leaves, sometimes
with a faint white fringe. Ter€ whole plant is quickly affected, including the stems : furthermore, spores are washed down into the soil and seriously affect tubers, making them useless.
As mentioned before, the correct measure is a spraying with Burgundy or Bordeaux Mixture, wetting the undersides of the leaves more even than the upper pails. These copper-containing sprays applied through a fine film sprayer will reach the whole plant and not .only destroy the infection in a mild case but provide a very strong protection against its spread. It is not likely that an' attack at this season will he beyond cure: hut do not let that deceive you into negligence. A little now means a lot later.
Outdoor tomatoes abundantly repay a spraying. now and another about the middle of August. They do not seem to be affected Mine as early in the season as potatoes, but they are more vulnerable when their turn comes. The bluish sediment left on the'leaves and young fruit by the spray will do no harm. It either comes off or is easilY washed off. Keeping down excessive growth (sideshoots, etc.) and a proper supply of potash in the shape of woodash all help to keep the plant toned up and healthy, especially now that fruit is swelling.
Those with deep and cpacious frames are probably using them for tomatoes and cucumbers. The former do well in a big enough frame if trained obliquely up tants or wires and given plenty of ventilation. Cueumhers like a saturated atmosphere, rich food, and being pegged down into soil full of humus
As soon as the earliest peas finish they should he taken up. The roots can be left in the soil. The tops are rich in potash. Celery or leeks. or particularly greens. are excellent aftercrops on the pea site.