杨柳树之所以没有被“一刀切”砍掉，是因为它们拥有生长快、遮阴大、固碳强、成本低等突出优势。在过去城市绿化资源有限的年代，杨柳树凭借这些优点成为绝对的主力军，夏天为行人提供了大量树荫。如今，各地并非简单砍伐，而是通过更换雄株、嫁接、喷洒抑花药物等科学手 ...

每年四月，北方多地进入“飞絮季”。漫天飘舞的白色绒毛，看似浪漫，却让不少人鼻痒、眼红、喷嚏不断。 Every April, large parts of northern China enter "fluff season", as white catkins from poplar and willow trees fill the air. While the drifting fibers ...

Communities of bacteria, fungi, and other microbes are key to the health and survival of their plant hosts. Previous studies have identified key members of these communities. These studies have helped ...

In situ studies of isoprene emission in an experimental poplar plantation near Tucson, Arizona. This was the first year of the study showing establishment of the trees. Trees don’t just emit oxygen as ...

Acting on exaggerated fears that 'pollen' from female poplar trees may aggravate COVID-19 related respiratory illness, authorities in strife-riddled Kashmir have ordered axing of tens of thousands of ...

A cross-section of a Populus trichocarpa stem imaged under UV light to reveal the vascular tissues involved in wood formation. The glowing cell walls contain lignin, which provides structural strength ...

Purdue Landscape Report: Aspen, cottonwood, and poplar are all names for the fast-growing Populus tree species. Used widely for building materials, these trees are often located around ponds, ...

The term genetically-modified organism (GMO) may cause unease in some people, but gene-editing technologies like CRISPR have unprecedented potential in a range of fields. Even so, containment measures ...