Matches in SemOpenAlex for { <https://semopenalex.org/work/W1990288524> ?p ?o ?g. }
- W1990288524 endingPage "306" @default.
- W1990288524 startingPage "299" @default.
- W1990288524 abstract "Effect of different photosynthetic photon flux densities (0, 500, 1000, 1500 and 2000 μmol m−2s−1), temperatures (20, 25, 30, 35 and 40 °C) and CO2 concentrations (250, 350, 450, 550, 650 and 750 μmol mol−1) on gas and water vapour exchange characteristics of Cannabis sativa L. were studied to determine the suitable and efficient environmental conditions for its indoor mass cultivation for pharmaceutical uses. The rate of photosynthesis (PN) and water use efficiency (WUE) of Cannabis sativa increased with photosynthetic photon flux densities (PPFD) at the lower temperatures (20–25 °C). At 30 °C, PN and WUE increased only up to 1500 μmol m−2s−1 PPFD and decreased at higher light levels. The maximum rate of photosynthesis (PN max) was observed at 30 °C and under 1500 μmol m−2s−1 PPFD. The rate of transpiration (E) responded positively to increased PPFD and temperature up to the highest levels tested (2000 μmol m−2s−1 and 40 °C). Similar to E, leaf stomatal conductance (gs) also increased with PPFD irrespective of temperature. However, gs increased with temperature up to 30 °C only. Temperature above 30 °C had an adverse effect on gs in this species. Overall, high temperature and high PPFD showed an adverse effect on PN and WUE. A continuous decrease in intercellular CO2 concentration (Ci) and therefore, in the ratio of intercellular CO2 to ambient CO2 concentration (Ci/Ca) was observed with the increase in temperature and PPFD. However, the decrease was less pronounced at light intensities above 1500 μmol m−2s−1. In view of these results, temperature and light optima for photosynthesis was concluded to be at 25–30 °C and ∼1500 μmol m−2s−1 respectively. Furthermore, plants were also exposed to different concentrations of CO2 (250, 350, 450, 550, 650 and 750 μmol mol−1) under optimum PPFD and temperature conditions to assess their photosynthetic response. Rate of photosynthesis, WUE and Ci decreased by 50 %, 53 % and 10 % respectively, and Ci/Ca, E and gs increased by 25 %, 7 % and 3 % respectively when measurements were made at 250 μmol mol-1 as compared to ambient CO2 (350 μmol mol−1) level. Elevated CO2 concentration (750 μmol mol−1) suppressed E and gs ∼ 29% and 42% respectively, and stimulated PN, WUE and Ci by 50 %, 111 % and 115 % respectively as compared to ambient CO2 concentration. The study reveals that this species can be efficiently cultivated in the range of 25 to 30 °C and ∼1500 μmol m−2s−1 PPFD. Furthermore, higher PN, WUE and nearly constant Ci/Ca ratio under elevated CO2 concentrations in C. sativa, reflects its potential for better survival, growth and productivity in drier and CO2 rich environment." @default.
- W1990288524 created "2016-06-24" @default.
- W1990288524 creator A5001064903 @default.
- W1990288524 creator A5046094471 @default.
- W1990288524 creator A5049082763 @default.
- W1990288524 creator A5056259247 @default.
- W1990288524 date "2008-10-01" @default.
- W1990288524 modified "2023-09-26" @default.
- W1990288524 title "Photosynthetic response of Cannabis sativa L. to variations in photosynthetic photon flux densities, temperature and CO2 conditions" @default.
- W1990288524 cites W1966709829 @default.
- W1990288524 cites W1967591860 @default.
- W1990288524 cites W1984141788 @default.
- W1990288524 cites W1984895023 @default.
- W1990288524 cites W1986905491 @default.
- W1990288524 cites W1987931976 @default.
- W1990288524 cites W1988514021 @default.
- W1990288524 cites W2007310693 @default.
- W1990288524 cites W2007827862 @default.
- W1990288524 cites W2008874943 @default.
- W1990288524 cites W2009174553 @default.
- W1990288524 cites W2014816768 @default.
- W1990288524 cites W2026526354 @default.
- W1990288524 cites W2040932945 @default.
- W1990288524 cites W2048193677 @default.
- W1990288524 cites W2056638689 @default.
- W1990288524 cites W2074356655 @default.
- W1990288524 cites W2075031513 @default.
- W1990288524 cites W2079741746 @default.
- W1990288524 cites W2093278438 @default.
- W1990288524 cites W2093638563 @default.
- W1990288524 cites W2123405122 @default.
- W1990288524 cites W2124069878 @default.
- W1990288524 cites W2125133867 @default.
- W1990288524 cites W2125588761 @default.
- W1990288524 cites W2136826170 @default.
- W1990288524 cites W2144382484 @default.
- W1990288524 cites W2145920418 @default.
- W1990288524 cites W2163563924 @default.
- W1990288524 cites W2165139361 @default.
- W1990288524 cites W2169110569 @default.
- W1990288524 cites W2330197319 @default.
- W1990288524 cites W4240830415 @default.
- W1990288524 doi "https://doi.org/10.1007/s12298-008-0027-x" @default.
- W1990288524 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/3550641" @default.
- W1990288524 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/23572895" @default.
- W1990288524 hasPublicationYear "2008" @default.
- W1990288524 type Work @default.
- W1990288524 sameAs 1990288524 @default.
- W1990288524 citedByCount "69" @default.
- W1990288524 countsByYear W19902885242012 @default.
- W1990288524 countsByYear W19902885242013 @default.
- W1990288524 countsByYear W19902885242015 @default.
- W1990288524 countsByYear W19902885242016 @default.
- W1990288524 countsByYear W19902885242017 @default.
- W1990288524 countsByYear W19902885242018 @default.
- W1990288524 countsByYear W19902885242019 @default.
- W1990288524 countsByYear W19902885242020 @default.
- W1990288524 countsByYear W19902885242021 @default.
- W1990288524 countsByYear W19902885242022 @default.
- W1990288524 countsByYear W19902885242023 @default.
- W1990288524 crossrefType "journal-article" @default.
- W1990288524 hasAuthorship W1990288524A5001064903 @default.
- W1990288524 hasAuthorship W1990288524A5046094471 @default.
- W1990288524 hasAuthorship W1990288524A5049082763 @default.
- W1990288524 hasAuthorship W1990288524A5056259247 @default.
- W1990288524 hasBestOaLocation W19902885242 @default.
- W1990288524 hasConcept C144027150 @default.
- W1990288524 hasConcept C157517311 @default.
- W1990288524 hasConcept C161221295 @default.
- W1990288524 hasConcept C183688256 @default.
- W1990288524 hasConcept C185592680 @default.
- W1990288524 hasConcept C2776325102 @default.
- W1990288524 hasConcept C2781045423 @default.
- W1990288524 hasConcept C2992191599 @default.
- W1990288524 hasConcept C59822182 @default.
- W1990288524 hasConcept C86803240 @default.
- W1990288524 hasConceptScore W1990288524C144027150 @default.
- W1990288524 hasConceptScore W1990288524C157517311 @default.
- W1990288524 hasConceptScore W1990288524C161221295 @default.
- W1990288524 hasConceptScore W1990288524C183688256 @default.
- W1990288524 hasConceptScore W1990288524C185592680 @default.
- W1990288524 hasConceptScore W1990288524C2776325102 @default.
- W1990288524 hasConceptScore W1990288524C2781045423 @default.
- W1990288524 hasConceptScore W1990288524C2992191599 @default.
- W1990288524 hasConceptScore W1990288524C59822182 @default.
- W1990288524 hasConceptScore W1990288524C86803240 @default.
- W1990288524 hasIssue "4" @default.
- W1990288524 hasLocation W19902885241 @default.
- W1990288524 hasLocation W19902885242 @default.
- W1990288524 hasLocation W19902885243 @default.
- W1990288524 hasLocation W19902885244 @default.
- W1990288524 hasOpenAccess W1990288524 @default.
- W1990288524 hasPrimaryLocation W19902885241 @default.
- W1990288524 hasRelatedWork W114431392 @default.
- W1990288524 hasRelatedWork W1989512665 @default.
- W1990288524 hasRelatedWork W1990288524 @default.
- W1990288524 hasRelatedWork W2029464631 @default.
- W1990288524 hasRelatedWork W2134356547 @default.