Fill in the blanks: 1 . Wheat, barley and rye have two kinds of varieties: winter and spring varieties. The 'spring' variety is normally planted in ....a.... and come to flower and produce grain before the end of growing season. 2 . 'Winter' varieties, however, if planted in ...b... would normally fail to flower or produce mature grain within a span of the flowering season. 3 . Hence 'winter' varieties are planted in

Step-by-step solution

Some important food plants, wheat, barley, rye have two kinds of varieties: winter and spring varieties. The ‘spring’ variety are normally planted in the spring and come to flower and produce grain before the end of the growing season. Winter varieties, however, if planted in spring would normally fail to flower or produce mature grain within a span of a flowering season. Hence, they are planted in autumn. They germinate, and over winter come out as small seedlings, resume growth in the spring, and are harvested us