University PARK — Penn Condition Extension has introduced two new on the web programs, “Plant Identification and Use: Coniferous Trees” and “Weed Administration for Decorative Landscapes” for landscapers, horticulture experts, and avid gardeners. In the program “Plant Identification and Usage: Coniferous Trees,” landscapers find out the identification options of 35 typical coniferous trees of the Northeast, the cultural prerequisites of coniferous trees, widespread insect and illness difficulties, standard pruning prerequisites and timing, and how to decide on coniferous trees for the landscape. In “Weed Management for Decorative Landscapes,” individuals discover how to detect popular weeds in the Northeast, describe weed classification, replica, and plant life cycles. The course also covers the…