Van Nocker wants to identify the genes responsible for the coronaria's delayed blooms.

范·诺克想要找出导致蔷薇科苹果属晚开花的基因。

Malus coronaria is also called sweet crabapple.

蔷薇科苹果属也被称为甘棠。

It belongs to the rose family.

苹果树属于“蔷薇科”。

They will test them to make sure they are fully Malus coronaria and not a hybrid variety.

他们将对它们进行检测，以确保它们完全是蔷薇科苹果属，而不是杂交。

The late blooming tree is a native Michigan apple tree known by the scientific name Malus coronaria.

这晚熟的树是一土生土长的密歇根苹果树，学名叫做蔷薇科苹果属植物。

Strawberries are actually part of the rose family from the family Rosaceae.

草莓实际上属于蔷薇科（Rosaceae）中的蔷薇家族。

If that seems surprising, the Rose family is really quite massive.

这或许令人惊讶，但蔷薇科确实非常庞大。

The Rosaceae family also contains almonds, pears, and apples, lots of other fruits as well.

蔷薇科家族还包括杏仁、梨和苹果，以及其他众多水果。

Strawberries, which are rich in vitamin C, are in the genus Frigaria.

富含维生素C的草莓属于蔷薇科下的草莓属。

If a Malus coronaria is crossbred with a commercial apple tree to make a new hybrid, it would take four or five years for that tree to start producing apples.

如果将蔷薇科苹果属与商业性苹果杂交以培育新的杂交，那新的杂交需要四五年的时间才能开始结出苹果。