The Exposition takes effect primarily to the meristem tissues, ie in the case of the wheat, rye, barley, oats, almost exclusively from April to May, possibly up to the mid June.
Kinacho bainisha Takes athari kimsingi tishu meristem, yaani katika kesi ya ngano, shayiri, shayiri, karibu Peke kutoka Aprili-Mei, Inawezekana hadi Juni katikati.