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Response to elevated CO2 of Multiple Generations of Semilooper, Achaea janata L. (Noctuidae: Lepidoptera) feeding on castor

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Title Response to elevated CO2 of Multiple Generations of Semilooper, Achaea janata L. (Noctuidae: Lepidoptera) feeding on castor
Response to elevated CO2 of Multiple Generations of Semilooper, Achaea janata L. (Noctuidae: Lepidoptera) feeding on castor
 
Creator NICRA
 
Subject Nitrogen – Kjeldahl using Block digestion and Steam distillation
 
Description Not Available
Climate change, especially the rise in temperature and atmospheric carbon dioxide (CO2
)
concentrations, is the major concern of today. The Third IPCC report predicts that global
average surface temperature will increase by 1.4 to 5.8o
C by 2100 with atmospheric CO2
concentrations expected to rise between 540 to 970 ppm during the same period
(Houghton et al., 2001). Effects of elevated atmospheric CO2
on plants are well
documented. Elevated CO2
conditions generally result in increased photosynthesis (Drake
et al., 1997), increased plant growth (Saxe et al., 1998) and greater biomass (Leadly et al.,
1999). Increased carbon levels, decreased nitrogen content and increased C: N ratios
were observed in the plants grown under elevated CO2
conditions (Lincoln et al., 1993;
Lindroth et al., 1995). The nutritional quality of plants changes under elevated CO2
conditions (Hunter et al., 2001). These changes elicit responses from herbivore insects.
Feeding on plants grown in elevated CO2
conditions affects the survival, growth,
development and reproduction of insect herbivores.
Castor (Ricinus communis L.) is
cultivated around the world because
of the commercial importance of its
oil. India is the world’s largest
producer of castor seed and meets
most of the global demand for castor
oil. India produces 8 to 8.5 lakh tonnes
of castor seed annually, and
accounting for more than 60% of the
entire global production. Because of its unlimited industrial applications, castor oil enjoys
tremendous demand world-wide. The current consumption of Castor Oil and its
derivatives in the domestic market is estimated at about 300,000 tonnes. India is also the
biggest exporter of castor oil and its derivatives at 87% share of the international trade
in this commodity. Castor is an important non-edible oilseed crop and is grown especially
in arid and semi arid region. It is originated in the tropical belt of both India and Africa.
Not Available
 
Date 2021-07-20T09:41:56Z
2021-07-20T09:41:56Z
2008-10-14
 
Type Technical Report
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/49186
 
Language English
 
Relation Not Available;
 
Publisher NICRA