杂交桑全草本栽培试验及其推广模式

Experiment on Herbage Cultivation of Mulberry Hybrid and It’s Promotion Mode

经5年试验,山东省高密市杂交桑全年贴地伐条草本栽培获得圆满成功。试验区较通常的杂交桑留干收获法增产桑叶14.7%,5龄期收获桑叶用工节省43.2%,较品种选792桑园常规收获法增产桑叶29.9%,5龄期收获桑叶用工仅是选792桑园常规收获法的33.2%。推广模式:桑品种为桂桑优12或沙2×伦109;栽植形式为(90～100)cm×25cm;剪伐方式为每年的春、夏、秋3期蚕的4、5龄期用镰贴地伐条,实行条桑育。试验桑已种植7年,无衰败迹象。凡有水浇条件的地区,均可推广这种栽培与养蚕模式。

Through five-year test, the herb cultivation of mulberry hybrid and whole-year bottom pruning succeed completely in Gaomi city, Shandong Province . In test area , the mulberry leaves output increased more than 14.7 % of the usual stem leaf output of mulberry hybrid, and 43.2 % labor savings in picking mulberry leaves in 5 instar silkworm period; And over 29.9% increased than that of the usual output of Variety Xuan 792, and only took 33.2% labor as much in picking mulberry leaves in 5 insta period . Promotion mode： Guisangyou 12 or Sha2× Lunl09 varieties; Planting form （90-100） cm×25cm; Bottom pruning with sickle in the period of 4 instar and 5 instar silkworm during spring, summer and autumn rearing with stem. In test area the mulberry have been planted seven years, no production decline . Where there is water for irrigation, the mode can be promoted.