CITRUS fruits. Hence statement 1 is correct.Olive trees can propagate in nutrient-poor, but well-drained soils.It needs full sun for fruit fabrication, but also needs a slight winter chill for the fruit to set.Temperatures lesser than 15°F will kill a young tree. Hence statement 2 is incorrect.According to the world's top export report, CHILE leads the world trade in fresh grapes with more than 90% share. Hence statement 3 is incorrect.Quercus suber, commonly called the CORK oak, is a medium-sized, evergreen oak tree in the section Quercus sect. Cerris.It is the basic source of cork for wine bottle stoppers and other extensive uses such as cork flooring and as the cores of cricket balls.It is INHERENT to southwest Europe and northwest Africa. Hence statement 4 is correct.