Answer :
The article "Peach Trees" on a local university website is the most reliable source to support a paper on the proper care of peach trees.
The article "Peach Trees" on the university website could be written by a student studying about peach tees, a research fellow conducting research on peach trees or a university professor who is an expert on the cultivation of fruit plants like peach trees. Thus, the article "Peach Trees" is considered as a reliable source of information containing the latest knowledge and advancements in the cultivation of peach trees.