Spacing and Irrigation Effect on Herbage Yield and Essential Oil Content of Mentha citrata Ehrh.

2013 ◽  
Vol 7 (1) ◽  
pp. 84-89
Author(s):  
Aniruddha Sarma ◽  
Hemen Sarma
Keyword(s):  
Essential Oil ◽  
Oil Content ◽  
Herbage Yield ◽  
Mentha Citrata ◽  
Irrigation Effect

scholarly journals High Irrigation Frequency and Brief Water Stress Before Harvest Enhances Essential Oil Yield of Rose-scented Geranium (Pelargonium capitatum × P. radens)

HortScience ◽  
2008 ◽  
Vol 43 (2) ◽  
pp. 500-504 ◽  
Author(s):  
Bahlebi K. Eiasu ◽  
Puffy Soundy ◽  
J. Martin Steyn
Keyword(s):  
Water Stress ◽  
Essential Oil ◽  
Oil Content ◽  
Clay Soil ◽  
Oil Yield ◽  
Growth Media ◽  
Irrigation Frequency ◽  
Sandy Clay ◽  
Herbage Yield ◽  
Essential Oil Yield

Pot experiments were conducted to investigate the effects of irrigation frequency and withholding irrigation during the week before harvesting on rose-scented geranium herbage yield and essential oil yield and composition. A factorial experiment with three irrigation frequencies (twice a day, once a day, and every second day) and two growth media (silica sand and sandy clay soil) were conducted in a tunnel. One week before harvest, irrigation was withheld for half of the pots in each treatment combination. In a glasshouse, sandy clay soil was used as growing medium, and five irrigation frequencies (everyday, everyday with 1-week irrigation withholding period, every second day, every third day, and every fourth day irrigation to pot capacity) were applied as treatments. Results showed that essential oil content (percent oil on fresh herbage weight basis) increased as the irrigation frequency decreased. Both herbage yield and essential oil yield positively responded to frequent irrigation. Thus, higher herbage and essential oil yields were obtained from the highest irrigation frequency. A 1-week stress period significantly increased total essential oil yield as well as oil content per fresh herbage weight. The results highlighted that conditions of high soil water availability followed by brief water stress just before harvesting would maximize rose-scented geranium essential oil yield. Citronellol and citronellyl formate tended to increase with an increase in the stress level, but the reverse was true for geraniol and geranyl formate. Other major essential oil components were unaffected by water stress.

scholarly journals Influence of organic and inorganic fertilizers on yield and quality of sweet basil (Ocimum basilicum L.)

1970 ◽  
pp. 38 ◽  
Author(s):  
B Al-mansour, D Kalaivanan, M A Suryanarayana, K Umesha, A K Nair
Keyword(s):  
Essential Oil ◽  
Oil Content ◽  
Oil Quality ◽  
Ocimum Basilicum ◽  
Oil Yield ◽  
Inorganic Fertilizers ◽  
Sweet Basil ◽  
Main Crop ◽  
Herbage Yield

Field experiments were carried out during Kharif season of 2015 and 2016 to study the influence of FYM, inorganic fertilizers and bio-fertilizers on fresh herbage yield, quantity and quality of essential oil of sweet basil (Ocimum basilicum). Nine treatments with  three replication were adopted in a randomized block design to find out the effect of different levels of N applied through FYM (100, 75 and 50% of the recommended N along with and without bio-fertilizers), recommended dose of NPK (160:80:80 kg ha-1), recommended FYM (10 t ha-1) + NPK (160:80:80  kg ha-1) and control (recommended  FYM (10 t ha-1) on fresh herbage and oil yield, oil content and oil quality of sweet basil (Ocimum basilicum L.). Pooled results revealed that application of recommended FYM (10 t ha-1) along with recommended NPK (160:80:80 kg ha-1) recorded the highest fresh herbage yield (39.95 and 19.37 t ha-1), essential oil content (0.48 and 0.45%) and essential oil yield (199.7 and 107.58 kg ha-1) in the main crop and ratoon, respectively. With respect to oil quality, bio-fertilizer has a good impact on oil quality, that highest percentage of Methyl chavicol was recorded with application of recommended FYM (10 t ha-1) + recommended N through FYM along with bio fertilizers in the main crop of 2016 (63.78%) and in the ratoon (59.39 and 59.67%) of 2015 and 2016, respectively.

Full Blooming Stage is Suitable for Herbage Yield and Essential Oil Content of Summer Savory (Satureja hortensisL.)

2009 ◽  
Vol 12 (5) ◽  
pp. 620-629 ◽  
Author(s):  
Süleyman Kizil ◽  
Murat Turk ◽  
Mensure Özguven ◽  
Khalid M. Khawar
Keyword(s):  
Essential Oil ◽  
Oil Content ◽  
Herbage Yield

Parthenolide and essential oil content in the aerial parts of Tanacetum larvatum

Planta Medica ◽  
2007 ◽  
Vol 73 (09) ◽  
Author(s):  
VM Tadić ◽  
IS Aljanèić ◽  
VE Vajs ◽  
SM Milosavljević ◽  
N Todorović ◽  
...  
Keyword(s):  
Essential Oil ◽  
Oil Content ◽  
Aerial Parts
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