Step 1: Understanding the Concept:
Distinctness, Uniformity, and Stability (DUS) testing centers are designated by the Protection of Plant Varieties and Farmers' Rights Authority (PPV&FRA), Government of India, to characterize and register new varieties of crops and forest trees.
Step 2: Detailed Explanation:
- Dr. Yashwant Singh Parmar University of Horticulture and Forestry (Dr. YSPUHF) in Nauni, Solan, Himachal Pradesh, is the recognized national DUS test center for Salix (Willows) and Populus (Poplars).
- This institute maintains extensive collections of germplasm and conducts standardized DUS trials to help developers protect and register new clones of these fast-growing species.
Step 3: Final Answer:
The recognized DUS Centre for Willows and Poplar is Dr. YSPUHF, Solan.