Meyer lemon trees (Citrus x meyeri) are a truly unique type of citrus tree, as they are a hybrid cross between a lemon and a ...

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.

Matheron, M. E. Wright, G. C. and Porchas, M. 1998. Resistance to Phytophthora citrophthora and P. parasitica and Nursery Characteristics of Several Citrus Rootstocks ...

If you want your own giant lemons, discover how to grow a Ponderosa tree (Citrus × pyriformis) in your backyard. Not only are Ponderosa lemons exceptionally large, but they're also eye-catching ...

For the people who obsess over dinner parties and reservations, we’ve gathered cooking and food gifts that will surprise and ...

The first citrus trees appeared about eight million years ago, before spreading around the world, say international scientists. The trees eventually gave rise to the fruit on our kitchen tables ...

Citrus trees showing natural tolerance to citrus greening disease host bacteria that produce novel antimicrobials that can be used to fight off the disease, our recent study shows. We found the ...

In a search for treatments against HLB, we looked to endophytes of survivor citrus trees – in other words, trees that are HLB positive but showed only mild symptoms and continue to bear fruit.

Today, nearly every citrus grove in Florida is infected with the disease. If an orange tree were to remain untreated, the disease would block its ability to get nutrients and kill it within a few ...

whether that means cultivating hybrid species resilient against infection or injecting oxytetracycline — an "antibiotic" for plants — into citrus trees' trunks. “That’s in play ...

Since then, with office access restricted due to the pandemic, I’ve tested a more limited number of trees on my own, primarily aiming to diversify our range of recommendations. Hooking up the ...