目前,江浙蚕区主要采取普通密度(1000株/亩)摘心速成法、高密度密植法、嫁接体一步成园法(丛栽法)等常规方法栽桑建园。这些方法以早期速成丰产为目标,主要是通过以株增条的途径达到快速丰产的。用这样方法栽桑建园,新植桑苗只有一个可发芽的母体,并受顶端优势作用的影响,一般仅植株上部2～3个芽能发育成枝条,其余的芽则 At present, Jiangsu and Zhejiang Silkworm Area mainly take the common density (1000 / acre) Qinshuashengcheng method, high-density close planting method, grafting body step into the garden method (Cong planting method) and other conventional methods Zang Sang Garden. These methods target early and accelerated yield, primarily through rapid plant yield increase. Planting mulberry garden in this way, the new planting mulberry only one germinating mother, and by the top edge of the impact of the role, usually only the upper part of the plant 2 to 3 buds can develop into branches, and the rest of the bud