Topics in Subtropics

So a question comes in about a problem with a backyard avocado tree. And it would seem the first question would be about the overgrowth happening at the base of the trunk. This a Fuerte' avocado that is grafted on a seedling avocado rootstock.

A recent article from the Journal of Agricultural Education explorers how group decisions are often made. CHAMPAIGN, Ill. -- A tiny insect, no bigger than the head of a pin, is threatening to topple the multibillion-dollar citrus industry in the U.S.

It is such a simple little letter, P. It stands for the element phosphorus. It is often misspelled as phosphorous which is an adjective, but even in technical literature it is misspelled. But that's not the end. Phosphorus is an element that takes many forms called oxidation states.

Over the last 100 million years, native species shaped our ecosystems. Now, farmers bring in non-native honeybee hives by the truckload to pollinate hectares of non-native crops. And the honeybees could be affecting how native bees do their job. In a 2013 study, Lucas A.

And maybe a lot of other problems like Shot Hole Borer-Fusarium Dieback in Avocado and other California tree species and maybe Huanglongbing in citrus. GAINESVILLE, Fla.