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Impact of shade net intensities on herb, essential oil yield and quality in holy basil, Ocimum tenuiflorum L. elite germplasm INGR18044

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Title Impact of shade net intensities on herb, essential oil yield and quality in holy basil, Ocimum tenuiflorum L. elite germplasm INGR18044
 
Creator Saran, Parmeshwar Lal
Patel, Riddhiben
Christian, Hetal
Kalariya, Kuldeep singh
Meena, Ram Prasnna
 
Subject Eugenol
Methyl eugenol
Peltate glands
Tulsi
 
Description 899-905
Ocimum species reveal a huge variation in growth, biomass production, oil composition and yield based on different
growing conditions including light intensities. Therefore, here, we analyzed the light requirement of tulsi in the nontraditional
area to harvest the maximum quantity of leaf and essential oil yield. An elite germplasm ‘INGR18044 (DOS-1)’
was evaluated for its quantitative and qualitative traits under green coloured shade-net of different light intensities. The fresh
leaf yield, stem weight, root weight, root length, root diameter, dry leaf yield and essential oil yield from fresh leaves were
found highest under control conditions. Sole crop compared with intercrop in agroforestry module, intercrop in fruit crop
module and crop under shade-net (50%) conditions were compared and significantly higher yield was observed in control.
However, the sole crop resulted in small sized leaves with early maturity. The total chlorophyll and carotenoid content were
maximum in 90% shade-net intensity and minimum in control conditions; while, Methyl eugenol was maximum in control
and it was found minimum under 90% shade-net intensity. The fresh leaf yield, seed yield, essential oil yield, number of
PGs per unit leaf area and methyl eugenol (ME) content showed a negative relationship and leaf area, total chlorophyll and
carotenoid content showed a positive relationship with increased shade-net intensities. The poor leaf yield and oil yield were
observed under different SNIs(Shade Net Intensities) but large-sized leaves stayed green and a continuous supply of fresh
leaves was made possible under shade conditions and as an intercrop crop.
 
Date 2021-12-02T06:19:16Z
2021-12-02T06:19:16Z
2021-12
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscair.res.in/handle/123456789/58565
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEB Vol.59(12) [December 2021]