陕南城固县桔园公社新东队的社员,打破红苕育苗繁殖的陈规,采用隔年苕蔓扦插,已初获成功。他们在57年尝试窖藏少量苕蔓,至58年春季取出时,发现苕叶均已枯萎、腐烂,但苕蔓尚成绿色。把这种苕蔓扦插时,成活良好,较同时下种的种苕生长为快,到7月中旬即可收获,单窝产量较育苗扦插者显著增 The members of Xin Dong Team of Orange Park Commune in Chenggu County, Southern Shaanxi Province have succeeded in breaking the stereotype of breeding of red clam in nursery schools and breeding. They attempted to deposit a small amount of vinegar in 57 years and when they were removed in the spring of 58, they found that the leaves had withered and decayed, but the vine was still green. When this calabash cuttings, survival is good, more than at the same time under the kind of growth is fast, to be harvested in mid-July, single-litter yield was significantly increased than the nursery cuttings