Root Knot Nematodes. If your tomato plants are stunted, their roots have knots (galls) and the foliage is pale yellow, they are most likely infested with root knot nematodes. The galls caused by the nematodes keep the roots from sending nutrients up to the foliage, which causes the stunting and yellowing.
The time when fall starts is between summer and winter. As with the other seasons, its commencement differs and is based on the hemisphere you are in. Commencement Dates. In astronomical terms the season begins on September 22 up to November 22 in the Northern Hemisphere.
In 2010, fall will occur on September 23.   Astronomically, it begins with the autumnal equinox (around September 23 â¦in the Northern hemisphere, and March 21 in the southern hemisphere), and ends with the winter solstice (around December 21 in the Northern hemisphere and June 21 in the Southern hemisphere).