While half of one appears dead and bare of leaves, the other has an almost full canopy. Despite the disparity, both are what are sometimes called “zombie trees” — healthy looking on the outside, dead ...

Read on. So what's Methuselah's secret? How can it and its kind survive, much less thrive, in conditions that would strike fear into the phloem of virtually all other plants? After decades of ...

Girdling a tree refers to the method of removal where the tree is severed from the vascular systems that give it life, meaning the internal nutrient and water channels otherwise known as the phloem ...

Though the tree appeared to be thriving, its phloem, the fibrous layer under the bark that transports nutrients, was dry and brown. Six moved to the next tree, another seemingly healthy one.

Whether it be from damaging weather conditions, diseases, fungi or insect infestations, a sick or dying tree can be dangerous — and hard to spot.

Is this yellow aster? Several of my coneflowers just had brown cones; they didn’t bloom. Can I cut down the plants now or do ...

Biocontrols benefit wine grape growers, but there is still room for improvement when it comes to beating vine mealybug pest.

In the root, the xylem forms a central column. It forms a solid support. The phloem is towards the centre, outside the xylem. Any green part of a plant above ground, where it is exposed to light ...

Ngangbam PunitaCitrus is one of the most commonly consumed fruits in the world with commercial cultivation spanning over hundred Nations. In India, citrus ranks as the third most significant fruit ...

Vascular cambium produces xylem (wood) and phloem, and together with the cork cambium, which produces a protective layer at the surface called phellem (cork), they provide thickness to plant organs.

How does water move through plants to get to the top of tall trees? Here we describe the pathways and mechanisms driving water uptake and transport through plants, and causes of flow disruption.

This is then converted into sucrose. The sucrose is transported around the plant in phloem vessels. It needs to be able to reach all cells in the plant so that the sucrose can be converted back ...