Instead, the crux is the vulnerability of citrus trees to diseases like scab, canker, yellow shoot disease, tristeza, and ...

Also, after a light year, pruning reduces fruit-bearing wood and gives the tree a chance to build up its reserves. 2. Remove the unhealthy wood. Pests and diseases enter lemon trees through dead ...

Researchers showed that some spinach defensins can confer similar protection to citrus and potatoes -- and possibly other crops. The effects show significant progress toward recovering yield and ...

The citrus and pear industries are facing growing threats from two major psyllid pests: Asian citrus psyllid (ACP) and pear ...

A bacterial disease called huanglongbing (a.k.a. citrus greening ... And, an ever expanding family tree.

The researchers delivered the peptides to commercial citrus trees using a benign virus developed by University of Florida ...

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 ...

One of the most serious diseases in the world, it can cause infected citrus trees to die within a few years, according to the USDA. The disease is carried by an insect called the Asian citrus ...