Citrus greening disease is caused by the bacterium Candidatus Liberibacter asiaticus. There is no known cure for the disease.

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

Another study found that carotenoids from pomelo leaves exhibit anticancer activity, potentially helping to inhibit certain ...

It’s autumn, and that means the leaves on the trees are turning beautiful shades of yellow and red, before falling off entirely. It provides cheap entertainment for people and pets. It’s a way ...

Trees are amazing! Not only do they store a lot of carbon from the atmosphere, which helps to combat climate change, they also make a great habitat for lots of the UK's wildlife - from birds ...

Leaf senescence is when the normal green leaves of many deciduous trees and shrubs take on shades of yellow, orange, red, purple, and brown in the autumn. For plants to grow, they need sunlight ...

Scramble high enough above the tree line in the mountains of Africa, Asia, Hawaii, and the Americas, and you will see thick towers of plants crowned by mops of living and dead leaves. In a poetic ...

Andrew Brown: So what's happening out there that makes the leaves change colour? Isaac Ladore: As the cooler seasons approach and the trees start to enter their dormant stage, the production of ...

Infected trees produce fewer fruit. The fruit that does grow is partially green, smaller, shaped irregularly and bitter tasting. It may drop from the trees before ripening. Leaves may show blotchy ...

The main way to heal in Throne and Liberty is by using World Tree Leaves, which Amitoi will use whenever your health drops to restore your health until it is back to full. As you play, you'll ...

(KDKA) — A homeowner in White Oak said a contractor left a huge mess after cutting down three trees last week ... haul away branches and limbs, it leaves additional wood stacked in manageable ...

scanner to create a 3D model of the tree to record its vital data, such as height, crown width and trunk diameter. Then, soil samples and leaf specimens are collected for further laboratory analysis.