Sentences with phrase «certain wild varieties»

But there are certain wild varieties of crops that pollinate in the wee hours of the morning, before sunrise.

Not exact matches

In all cases of domestication, the cultivated forms tend to develop fruits larger than the wild varieties; botanists are not certain whether this trait is the result of better cultural techniques or the natural tendency for humans to pick the largest fruits, which contain next years» seed.
a b c d e f g h i j k l m n o p q r s t u v w x y z