论文部分内容阅读
安徽是老蚕区,横跨长江淮河,全省气候温和,雨量适中,曰照丰富,适于栽桑养蚕。目前除广泛栽植的湖桑外,还有相当数量的地方桑树品种。几年来,对安徽地方桑树品种资源进行了调查研究。通过比较试验,选拔了麻桑、7707、华明桑、佛堂瓦桑等高产优质品种,有的已向生产部门推荐应用。一、桑树品种的类型分布及形态特征(一) 类型和分布桑树是多年生乔木,各地品种经长期自然选择和人工选择,其适应性已逐渐明显。
Anhui is the old silkworm area, across the Huaihe River, the province’s mild climate, moderate rainfall, said as rich, suitable for planting mulberry sericulture. In addition to the widely planted lake mulberry, there are a considerable number of mulberry varieties. In recent years, mulberry varieties in Anhui Province were investigated. Through comparative experiments, selection of high-quality varieties such as hemp mulberry, 7707, Wuming Mason, Buddhist temple Vasan, and some have been recommended to the production sector applications. First, the types and distribution of mulberry varieties and morphological characteristics (A) Type and distribution Mulberry is a perennial tree species around the long-term natural selection and manual selection, the adaptability has gradually become apparent.