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.
Leaf peepers, rejoice: You only have to wait a few more days before the season starts. The fall equinox is scheduled to occur Sept. 22 at 10:21 a.m. EDT, according to the Old Farmer's Almanac. The equinox, which refers to the time of year where night and day are about equally long, will usher in autumn.