论文部分内容阅读
甜叶菊收获技术较复杂,出口标准要求又高,因此应严格注意收获质量。收获期.甜叶菊的收获应在全株含甜菊甙量最高时进行。各地分析证明,甜叶菊现蕾时叶片含甙量最高。但甜叶菊是一个大的杂和群体,现蕾期很不一致。我省一年生甜叶菊多在全田现蕾30～40％时收获。对于栽植较晚,早霜来得早的地方,应在霜前5～7天抢收。收获方法.收获时用修枝剪或镰刀在离地面3～5厘米处剪断主茎。如利用贮藏根系的方法来繁殖甜叶菊,可留茬20厘米左右,根茎上保留2～3对叶片进行光合作用,使根
Stevia harvesting technology is more complex, export standards and high requirements, it should pay strict attention to the quality of harvest. Harvest period Stevia harvest should be carried out in the whole plant with the highest amount of stevioside. Analysis shows that around the stevia leaf buds contain the highest amount of glycosides. However, Stevia is a large miscellaneous groups, budding period is very inconsistent. Annual annual Stevia in our province more than 30 to 40% of the bud when the harvest. For planting late, early frost came earlier, should be fry 5-7 days before the rush. Harvest method.When harvesting pruning shears or scythes 3 to 5 cm above the ground cut off the main stem. Such as the use of storage methods to reproduce the roots of stevia, stubble can be about 20 cm, 2 to 3 leaves on the root to retain photosynthesis, the root