National Geographic news1 年
The Citrus Family Tree
A version of this story appears in the February 2017 issue of National Geographic magazine. Citrus, in many ways, stands alone. So many cultivated species have come from so few primary ancestors.
来自MSN1 个月
The strange history of citrus fruit spans ancient China and Rome to the Renaissance and ...
However, plotting the citrus family tree, with its many intersections, is difficult thanks to a scant fossil record. "Fruits don't make good fossils. There are leaf impressions and wood but ...
Hit by storms and disease, Florida's citrus growers try to survive until bug-free trees arrive
As Trevor Murphy pulls up to his dad's 20-acre (8-hectare) grove in one of the fastest-growing counties in the United States, ...
Florida's citrus industry faces threats from hurricanes, disease and real estate
As Trevor Murphy pulls up to his dad's 20-acre (8-hectare) grove in one of the fastest-growing counties in the United States, ...