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Seung Ho Han,Gwan Hou Kim,Bong Jae Seong,Sun Ick Kim,Ka Soon Lee,Su Dong Kim,Moo Geun Jee,Young Hwan Yoon,Hyun Ho Kim 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.05
Background : Jiwhang (Rehmannia glutinosa L.) cultivation area of chungnam province was 62ha(219 farms, 53.9% of domestic cultivation area, M.A.F.R.A. 20142)). Recently, jiwhang is rapidly spread to 150ha ( Geumsan administration statistics, 2015) as taking place of income crop in Chungnam. High quality jiwhang GAP production and improvement of the distribution system including magnus customers, producer association fosterage and conventional market Vitalization were the reason of rapid cultivation area increase of Rehmannia glutinosa L. in Geumsan. This study was performed to set up the standard Rhizome size for planting in Rehmannia glutinosa L. Materials and Methods ○ Experiment variety : Togang ○ Treatment(rhizome length) : ① 1cm ② 2cm ③ 3cm ④ 4cm ⑤ 6cm(control) ○ Planting date : May 6, 2015 ○ Planting distance : 30×15cm ○ Experiment place : Ginseng and Medicinal Plant Research Institute (Geumsan-gun, Chungcheongnam-do) Conclusion : In the aboveground growth was no significant difference among treatments. In the root characteristics, there was no significant difference among treatments. Take a 1∼2cm rhizome planting saved rhizome amount and planting time to 73.8%∼64.3% and 68.4%∼ 57.8% respectively than 6cm(control).
Seung Ho Han,Su Dong Kim,Bong Jae Seong,Sun Ick Kim,Ka Soon Lee,Moo Geun Jee,Gwan Hou Kim,Young Hwan Yoon,Hyun Ho Kim 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.10
Background : According to medicinal plant standard culture, flower organ should be removed but there is no detail information on flower organ removal in Atractylodes macrocephala Koidzumi. This study was carried out to examine effect of flower organ removal on the increase of roots yield in Atractylodes macrocephala Koidzumi. Methods and Results : ○ Experiment variety : Atractylodes macrocephala Koidzumi. ○ Treatment : ① Flower organ non-cutting ② Flower organ cutting ○ Planting date : April, 2015/ April 25, 2016 ○ Planting distance : 30×20cm/ 30×15cm ○ Experiment place : Ginseng & Medicinal Plant Research Institute(Geumsan-gun, Chungcheongnam-do) Conclusion : The fresh rhizome yield of F. O. C. at a bud treatments were increased 21.0% ∼50.0% compare to F. O. N. C. treatments. The fresh rhizome yield of F. O. C. at a flower treatments were increased 17.4%∼34.6% compare to F. O. N. C. treatments. The fresh weight of above-ground parts of F. O. C. treatments were decreased 77.2%∼65.7% compare to F. O. N. C. treatments. F. O. C.(=Flower organ cutting) / F. O. N. C.(=Flower organ non-cutting).
Seung Ho Han,Gwan Hou Kim,Bong Jae Seong,Sun Ick Kim,Ka Soon Lee,Su Dong Kim,Moo Geun Jee,Young Hwan Yoon,Hyun Ho Kim 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.05
Background : Jiwhang (Rehmannia glutinosa L.) cultivation area of Chungnam province was 62ha (219 farms, 53.9% of domestic cultivation area, MAFRA. 20142)**). Recently, jiwhang is rapidly spread to 150ha (Geumsan administration statistics, 2015) as taking place of income crop in Chungnam. High quality jiwhang GAP production and improvement of the distribution system including magnus customers, producer association fosterage and conventional market vitalization were the reason of rapid cultivation area increase of Jiwhang in Geumsan. But low emergence rate caused by spring drought should be solved. This study was carried out to obtain basic data for emergence rate improvement in jiwhang. Materials and Methods ○ Experiment variety : Korea jiwhang ○ Treatment : ①Control ② 1 time irrigation at planting time ③1 time irrigation at planting time + transparent vinyl mulching ○ Planting date : April 30, 2015 ○ Planting distance : 30×15cm ○ Experiment place : Ginseng and Medicinal Plant Research Institute (Geumsan-gun, Chungcheongnam-do) Conclusion : There was no significant difference in the aboveground growth among treatments. The seedling emergence rate was higher in 1 time irrigation at planting time + transparent vinyl mulching(1ITVM) than control or 1 time irrigation at planting time(1I). Aerial part weight was significantly havier in 11ITVM than control or 1I. The roots yield was also more in 1ITVM than control or 1I. According to economic analysis, total income in 1ITVM compared to 1I and control was 125.1% and 54.0% higher respectively.
Seung Ho Han,Gwan Hou Kim,Bong Jae Seong,Sun Ick Kim,Ka Soon Lee,Su Dong Kim,Moo Geun Jee,Young Hwan Yoon,Hyun Ho Kim 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.05
Background : Bai Zhu is generally harvested in 1-2 years after seedstock planting. Recently mainly in Guemsan, Bai Zhu is harvested in just 1 year after planting in spring . According to medicinal plant standard culture, Bai Zhu should be directly sown by 20cm distance in April. This study was carried out to find out proper planting date. Materials and Methods ○ Experiment variety : Bai Zhu (Atractylodes macrocephala Koidz.) ○ Treatment : Planting Date ① Late march ② Early april ③ Middle of april(control) ④ Late april Plantind density : ① 30×10cm ② ① 30×20cm ○ Planting type : Direct Seeding ○ Experiment place : Ginseng and Medicinal Plant Research Institute (Geumsan-gun, Chungcheongnam-do) Conclusion : Number of lateral branches in 30×10cm was more in late march than late April and aerial part growth was superior as planting date was earlier. Emergence rate was higher in middle of April and late April and aerial part weight, fresh root weight, dry root weight rate, and dry root weight were superior as planting date was earlier. Dry weight yield increased as 38.3% in late March compared to middle of April. Dry weight was havier as 36.2% in planting time of late March and early April than planting time of middle of April and late April. Total income was higher in planting time of late March and early April than planting time of middle of April and late April.
Seung Ho Han,Gwan Hou Kim,Bong Jae Seong,Sun Ick Kim,Ka Soon Lee,Su Dong Kim,Moo Geun Jee,Young Hwan Yoon,Hyun Ho Kim 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.05
Background : According to medicinal plant standard culture, flower stalk should be removed at the stage of 4-5 main leaves appearance but there is no detail information on stalk removal in jiwhang (Rehmannia glutinosa L.). This study was carried out to examine effect of flower stalk removal on the increase of total yield in Rehmannia glutinosa L. Materials and Methods ○ Experiment variety : Korea jiwhang, Wongang ○ Treatment : ① Peduncle non-cutting ② Peduncle cutting ○ Planting date : April 18, 2015 ○ Planting distance : 30×15cm ○ Experiment place : Ginseng and Medicinal Plant Research Institute (Geumsan-gun, Chungcheongnam-do) Conclusion : Aerial part growth was no significant difference according to treatments in Wongang and aerial weight was havier in Peduncle cutting than in Peduncle non-cutting. Aerial part growth was no significant difference according to treatments in Korea jiwhang. The roots yield in Korea jiwhang was increased about 5.2% in Peduncle cutting. The roots yield in Wongang was increased about 24.9% in Peduncle cutting.