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.
The autumnal equinox occurs on September 22 or 23, and the season continues until the winter solstice on December 21 or 22. The winter solstice has the longest night and the shortest amount of daylight of the year. Autumn is also known as fall because it is the season in which leaves fall from deciduous trees.