They typically have pitting beneath their bark and yellow leaves, possibly with mostly clear veins. This disease most commonly occurs in trees where a sweet orange scion was grafted with a sour ...

The humble snowdrop paves the way for the more colourful and larger spring bulbs like daffodils and tulips. It may be smaller ...

Nut trees make great additions to your yard - and your kitchen - but which are worth growing, and which should you avoid? Let ...

Real Organic smaller farms are proven to be more productive than their enormous industrial counterparts and are far better ...

They typically have pitting beneath their bark and yellow leaves, possibly with mostly clear veins. This disease most commonly occurs in trees where a sweet orange scion was grafted with a sour orange ...

Tropical trees like plumeria do not thrive in most parts of the United States because they require hot and humid conditions.

Dawn Brennan inspects the bark of ... itself to trees and rocks. The algae perform photosynthesis, supplying energy for growth. Yeasts and bacteria help protect lichens from disease.

Top of the list of problems is the pinewood nematode, an infectious disease that kills pine trees. China banned South ... Vast groves of hickory and oak blaze orange and yellow come autumn.

It is also known as slime flux. Wetwood is a common disease affecting the central core or bark of shade trees, such as elm. The stain is caused by slime generated from fermentation pressure in ...

Oak wilt is one of the deadliest tree diseases in the United States, killing millions of oak trees across 76 Texas counties.

According to the Royal Horticultural Society: "Apple canker is a disease caused by a fungus, Neonectria ditissima, which attacks the bark of apples and some other trees, causing a sunken area of ...