The effect of different levels of vermicompost and photoperiod on greenhouse production of medicinal plant stevia (Stevia rebaudiana Bertoni)

Author(s):  
S.M. Yosefi Shiadeh ◽  
V. Chalavi ◽  
S. Zangi ◽  
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◽  
...  
2021 ◽  
Vol 8 (2) ◽  
Author(s):  
Khawla D. Gatie ◽  
Haitham A. Ali ◽  
Kareem H. Mohsen

"A study was conducted in Al-Seba Reserve / Basra Governorate to study the effect of nitrogen and potassium fertilization on growth of stevia plants during 2018-2019 agricultural season, in pots. A sandy mixture of soil was used and two factors were studied: the first factor was urea fertilizer with five levels of nitrogen (N0 0, N1100, N2150, N3 200, and N4 250 kg / ha) and the second factor was potassium sulfate with three levels of potassium (K0 0, K1 75 and K3150 kg/h( . The experiment was experimental factor using a complete randomized design (C.R.D) with three replications. The results showed a significant effect of adding nitrogen and potassium fertilizers and there interaction on: plant height, number of branches, leaf area index, and the treatment N3K2 gave the highest yield reached (1.27 tons. h-1), and N4K2 recorded a highest content of Rebaudioside A (53.26 ppm). *Part of Ph.D. thesis of the first author Corresponding author: E-mail([email protected]) Al- Muthanna University All rights reserved"


Author(s):  
S. Sh. Asadova

A cell culture obtained from explants of adult plants and aseptic seedlings of the Stevia rebaudiana Bertoni variety with different levels of ploidy, characterized by high speed, proliferation and ability to morphogenesis.


2018 ◽  
Vol 64 (2) ◽  
pp. 46 ◽  
Author(s):  
Tahereh Keshvari ◽  
Abdollah Najaphy ◽  
Danial Kahrizi ◽  
Alireza Zebarjadi

Planta Medica ◽  
2013 ◽  
Vol 79 (13) ◽  
Author(s):  
LF Ceole ◽  
SS Lopes ◽  
AJ Oliveira ◽  
BP Dias Filho ◽  
CV Nakamura ◽  
...  

Author(s):  
М. В. Ромашова ◽  
Е. Н. Барсукова

Изучены элементы технологического процесса выращивания стевии ( Stevia rebaudiana Bertoni) в открытом грунте в погодно-климатических условиях Приморского края; выявлен оптимальный рельеф почвы и эффективный возраст рассады стевии; рассчитана экономическая эффективность выращивания стевии в открытом грунте.


2020 ◽  
Vol 2 (1) ◽  
pp. 11-20
Author(s):  
Meta Kartika Untari ◽  
Ganet Elo Pramukantoro

Hypercholesterolemia is a state of increased levels of LDL (Low Density Lipoprotein) and total cholesterol in the plasma. Stevia leaves have benefits to overcome hypercholesterolemia. The aimed of this study was to obtain ethanol extracts of Stevia rebaudiana Bertoni leaves which have activity to reduce total cholesterol levels in patients with hypercholesterolemia with effective doses. The method that will be carried out to achieve this goal was to make extracts by maceration of Stevia rebaudiana Bertoni leaf powder using a water solvent for 5 days. Testing antihypercholesterolemia activity by giving treatment to 20 male white rats. Rats were divided into 5 treatment groups. Group I was negative control, II was simvastatin control, III extract was 30 mg / 200 g BW, IV extract was 60 mg / 200 g BW, V extract was 120 mg / 200 g BW. The mice were induced by propylthiouracil 12.5 mg / day and high-fat feed for 21 days, after which the rats were given the test for 14 days. Cholesterol levels were measured on days 0, 21st and 28th. The method of determining cholesterol levels uses the Easy Touch tool. On the 35th day, a total cholesterol level was examined and data analysis was performed. The results showed that the ethanol extract of stevia leaves had antihypercholesterolemia activity, extract dose of 30 mg / 200 g BW had antihypercholesterolemia activity which was equivalent to simvastatin.


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