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一、同川梨的现状与存在问题同川梨区为我省的主要梨产区,其现状在全省各老梨区具有代表性.这里梨树栽培历史悠久,梨园面积约4万亩,栽植梨树25万余株,结果大树约20万株,以树龄50-60年生至100年老树居多.主要品种有黄梨、夏梨、油梨、笨梨等,60年代以来虽陆续引入了酥梨、鸭梨、雪花梨等优良品种,但因措施不力,生产上仍以传统品种占绝对优势,约占
First, Tongchuan pear status quo and problems With the Sichuan pear district is the province’s main pear-producing areas, the status of the province in the old pear district representative here pear cultivation has a long history, pear garden area of about 40,000 mu, 250,000 pear trees planted, resulting in about 200,000 trees, with an age of 50 to 60 years to 100-year-old tree and more main varieties are yellow pear, summer pear, avocado, stupid pear, since the 60s have been introduced The pear, pear, snow pear and other fine varieties, but due to poor measures, the production is still dominated by the traditional varieties, accounting for about