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  • Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture  (3)
  • 2015-2019  (3)
Material
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  • Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture  (3)
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  • 2015-2019  (3)
Year
  • 1
    Online Resource
    Online Resource
    Impact of water deficit (salt and drought) stress on physiological, biochemical and yield attributes on wheat (Triticum aestivum) varieties
    Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture ; 2018
    In:  The Indian Journal of Agricultural Sciences Vol. 88, No. 10 ( 2018-10-24), p. 1624-1632
    Details
    In: The Indian Journal of Agricultural Sciences, Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture, Vol. 88, No. 10 ( 2018-10-24), p. 1624-1632
    Abstract: This investigation was carried out to assess the combined effect of salt stress and drought on physiological and biochemical traits in wheat (Triticum aestivum L.) varieties so as to deduce the probable mechanism of stress tolerance in these varieties. Two salt tolerant (Kharchia 65 and KRL 210) and two salt sensitive (HD 2851 and HD 2009) wheat varieties were subjected to salt (50 mM and 100 mM NaCl) and drought (25% and 50% water deficit) stresses alone as well as in combination to study the interactive effects of salt × drought stresses under pot house conditions at seedling stage. The data recorded on physiological (membrane injury, relative water content, chlorophyll content, Na+, K+, Cl- and K+/Na+), biochemical (total soluble sugars and proline) and yield (number of tillers, productive tillers, biomass, and 1000 seed weight) attributes indicated the effect of salt and drought stresses in the studied varieties. These stresses caused a significant decline in chlorophyll content, K+ content, number of tillers, number of productive tillers, biomass and yield in sensitive varieties, while the tolerant ones were least affected. The sensitive varieties HD 2851 and HD 2009 accumulated the highest Na+ and Cl+ content, whereas Kharchia 65 (tolerant) accumulated the lowest amount of these ions. All the varieties, however, showed increased accumulation of compatible solutes (total soluble sugars and proline) with inclined stress which helped in osmotic adjustment. Consistent and significant reductions were observed in number of tillers as well as in productive tillers with every successive increase in salt and drought stresses. Yield in terms of 1000 seed weight followed the trend: 34.51 g in Kharchia 65 〉 28.52 g in KRL 210 〉 24.89 g in HD 2009 〉 24.55 g in HD 2851.
    Type of Medium: Online Resource
    ISSN: 2394-3319 , 0019-5022
    URL: Article
    DOI: 10.56093/ijas.v88i10.84255
    Language: Unknown
    Publisher: Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture
    Publication Date: 2018
    detail.hit.zdb_id: 2553598-5
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Salinity and drought induced changes in gas exchange attributes and chlorophyll fluorescence characteristics of rice (Oryza sativa) varieties
    Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture ; 2016
    In:  The Indian Journal of Agricultural Sciences Vol. 86, No. 6 ( 2016-06-07)
    Details
    In: The Indian Journal of Agricultural Sciences, Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture, Vol. 86, No. 6 ( 2016-06-07)
    Abstract: The present study was conducted to assess the effect of water deficit coupled with salt stress on physiological traits and stress tolerance mechanisms of rice (Oryza sativa L.) varieties differing in salt tolerance. Two salt tolerant (CSR 10 and CSR 36) and two salt sensitive (IR 29 and Pusa 44) rice varieties were evaluated in different combinations of controlled water deficit coupled with salt stress conditions. The salt tolerant variety CSR 10 has shown the best morphological or phenological growth performance; while IR 29 performed the worst in terms of reduction in growth at 25 and 50% water deficit. At 50 and 100 mM NaCl along with 50% water deficit, 80% plants of IR 29 could not survive. Variety CSR 10 exhibited maintenance of higher total chlorophyll concentration (ChlT), relative water content (RWC), gas exchange characteristics and chlorophyll fluorescence attributes with lower membrane injury (MI) and thus ultimately showed better stress tolerance than other varieties.
    Type of Medium: Online Resource
    ISSN: 2394-3319 , 0019-5022
    URL: Article
    DOI: 10.56093/ijas.v86i6.58833
    Language: Unknown
    Publisher: Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture
    Publication Date: 2016
    detail.hit.zdb_id: 2553598-5
    Location Call Number Limitation Availability
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    Online Resource
  • 3
    Online Resource
    Online Resource
    Effect of planting time and density on plant growth, seed yield and quality attributes in onion (Allium cepa) cv. Pusa Riddhi
    Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture ; 2015
    In:  The Indian Journal of Agricultural Sciences Vol. 85, No. 12 ( 2015-12-15), p. 1578-1585
    Details
    In: The Indian Journal of Agricultural Sciences, Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture, Vol. 85, No. 12 ( 2015-12-15), p. 1578-1585
    Abstract: The present experiment was conducted to investigate the effect of planting time and density on plant growth, seed yield and quality attributes in onion (Allium cepa L.) cv. Pusa Riddhi at SPU, IARI, New Delhi during rabi 2013-14 and 2014-15. The experiment consists of three different planting dates, i.e. 15 October (T1), 25 October (T2) and 5 November (T3) with three spacings, viz. 60×10 cm (S1) 60×20 cm (S2) 60×30 cm (S3). The experimental results revealed that the date of planting and plant spacing had significant influence on growth attributes, flowering, yield and quality characters. The planting on 15 October (T1) showed significant higher, seed scape height (101.4 cm), umbel diameter (6.54 cm), productive umbellates/umbel (414.73), seed setting (83.69%), seed yield/plant (8.71 g) and yield/ ha (6.86 q), germination (%) (88.43), seedling length (9.48 cm), seedling dry weight (1.9 mg) and vigour index-I and II (8.33.32 and 167.08) than 25 October and 5 November planting. The plant spacing 60×30cm (S3) showed higher number of leaves/plant (40.89) seed scape height (102.26 cm), scape diameter (1.88 cm), total scapes/plant (11.72), umbel diameter (6.58 cm), productive scapes/plant (8.35), umbellates/umbel (503.52), productive umbellates/umbel (419.4), yield/umbel (3.48 g), seed yield/plant (12.43 g), seed yield/ha (6.22 q), 1000 seed weight (3.01 g), germination (%) (89.76) and seed vigour-I and II (918.56 and 172.96) than closer spacing. The incidence of disease, disease severity index and scape lodging (%) were significantly lower in 15 October (T1) and 60×30 (S3).
    Type of Medium: Online Resource
    ISSN: 2394-3319 , 0019-5022
    URL: Article
    DOI: 10.56093/ijas.v85i12.54310
    Language: Unknown
    Publisher: Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture
    Publication Date: 2015
    detail.hit.zdb_id: 2553598-5
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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