露地扦插葡萄成苗率较低,原因是插条顶芽在10℃左右即可萌发,而插条生根需要25～28℃。早春气温高于地温,顶芽先萌发生长,而插条土中部分却难以生根,因此造成种条逐渐枯萎。为提高葡萄扦插成活率,我们试用电褥线进行室内葡萄催根,扦插成活率可达95.8％取得了很好的效果。 1、选地布线:选有电源的背阴房间,在地上放长1米,宽0.7米,高0.3米的木箱。底铺5厘米厚的锯末,上面再铺5厘米厚的湿河沙(湿度以手握成团不滴水为度),推平压实。在木箱两侧各固定一根小木板,其上每隔2.5厘米刻一宽0.2—0.3厘米,深0.5厘米的小槽,然后将双人电褥线(24米长)从小 Dew cutting grapes seedling rate is lower, because the cuttings buds at about 10 ℃ germination, and cutting need root 25 ~ 28 ℃. Early spring temperatures are higher than the ground temperature, the top of the buds of the first germination and growth, but some of the cuttings soil is difficult to root, resulting in seed gradually wilt. In order to improve the survival rate of grape cuttings, we experimented with indoor lines for cotton padding rooting, cutting survival rate of 95.8% achieved good results. 1, the election routing: Select the power of the shady room, on the ground put 1 meter long, 0.7 meters wide, 0.3 meters high wooden box. At the end of the shop 5 cm thick sawdust above the shop again 5 cm thick wet sand (humidity to hold the group does not drip for the degree), flat compaction. On both sides of the wooden box are fixed a small wooden board, every 2.5 centimeters engraved on a width of 0.2-0.3 cm, 0.5 cm deep groove, and then double electrical line (24 meters long) from childhood