Mold is another. If you see either of these, bring a sample to your local nursery for help diagnosing and treating your trees. You never want to prune your citrus in fall. Spring and summer ...
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.
According to statistics given, the cultivation of orange and lemon trees is extending rapidly, and one successful lemon grower considers that instead of paying 62,498l. annually for oranges and ...
Matheron, M. E. Wright, G. C. and Porchas, M. 1998. Resistance to Phytophthora citrophthora and P. parasitica and Nursery Characteristics of Several Citrus Rootstocks ...
The California Department of Food and Agriculture declared a new citrus quarantine in Fallbrook on Sept. 16 after detecting the fatal citrus tree disease known as Huanglongbing (HLB), or citrus ...