Editing Populus (section)

==Cultivation==
[[File:Populus nigra-bekes.jpg|thumb|upright|Fastigiate black poplar cultivar of the Plantierensis group, in Hungary]]
[[File:Poplars of Khorog City Park.JPG|thumb|Poplars dominate the flora of [[Khorog]] City Park, [[Gorno-Badakhshan Autonomous Region|Gorno-Badakhshan]], [[Tajikistan]]]]

Many poplars are grown as [[ornamental tree]]s, with numerous [[cultivar]]s used. They have the advantage of growing to a very large size at a rapid pace. Almost all poplars take root readily from cuttings or where broken branches lie on the ground (they also often have remarkable suckering abilities, and can form huge colonies from a single original tree, such as the famous ''[[Pando (tree)|Pando]]'' forest made of thousands of ''[[Populus tremuloides]]'' clones).

Trees with [[fastigiate]] (erect, columnar) branching are particularly popular, and are widely grown across Europe and southwest Asia. However, like [[willow]]s, poplars have very vigorous and invasive root systems stretching up to {{convert|40|m}} from the trees; planting close to houses or ceramic water pipes may result in damaged foundations and cracked walls and pipes due to their search for moisture.

A simple, reproducible, high-frequency micropropagation protocol in eastern cottonwood ''Populus deltoides'' has been reported by Yadav et al. 2009.<ref>{{cite journal |doi=10.1007/s11816-009-0088-5 |volume=3 |issue=3 |title=High frequency direct plant regeneration from leaf, internode, and root segments of Eastern Cottonwood (''Populus deltoides'') |year=2009 |journal=Plant Biotechnology Reports |pages=175–182 |last1=Yadav |first1=Rakesh |bibcode=2009PBioR...3..175Y |s2cid=42796629}}</ref>

===India===
[[File:KDJHPOP.JPG|thumb|upright|Popular ''Populus'' variety G48 in [[Punjab, India]]]]

In India, the poplar is grown commercially by farmers, mainly in the [[Punjab]] region. Common poplar varieties are:
*G48 (grown in the plains of Punjab, Haryana, UP)
*w22 (grown in mountainous regions, e.g., Himachal Pradesh, Pathankot, Jammu)

The trees are grown from ''kalam'' or cuttings, harvested annually in January and February, and commercially available up to 15{{nbsp}}November.

Poplars are most commonly used to make [[plywood]]: [[Yamuna Nagar]] in [[Haryana]] state has a large plywood industry reliant upon poplar. It is graded according to sizes known as "over" (over {{convert|24|in}}), "under" ({{convert|18|–|24|in}}), and "sokta" (less than {{convert|18|in}}).

===Pakistan===
In Pakistan, poplar is grown on a commercial level by farmers in Punjab, Sindh, and [[Khyber Pakhtunkhwa]] Provinces. However, all varieties are seriously susceptible to termite attack, causing significant losses to poplar every year. Logs of poplar are therefore also used as bait in termite traps for biocontrol of termites in crops.