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  1. Article ; Online: Farm typology of smallholders integrated farming systems in Southern Coastal Plains of Kerala, India

    Anitrosa Innazent / D. Jacob / J. S. Bindhu / Brigit Joseph / K. N. Anith / N. Ravisankar / A. K. Prusty / Venkatesh Paramesh / A. S. Panwar

    Scientific Reports, Vol 12, Iss 1, Pp 1-

    2022  Volume 14

    Abstract: Abstract Adoption of an integrated farming system (IFS) is essential to achieve food and nutritional security in small and marginal holdings. Assessment of IFS to know the resource availability and socio-economic condition of the farm household, farm ... ...

    Abstract Abstract Adoption of an integrated farming system (IFS) is essential to achieve food and nutritional security in small and marginal holdings. Assessment of IFS to know the resource availability and socio-economic condition of the farm household, farm typology plays a critical role. In this regard, a sample survey of 200 marginal households practicing mixed crop-livestock agriculture was conducted during 2018–2019 at Southern Coastal Plains, which occupies 19,344 ha in Thiruvananthapuram district, Kerala, India. Farming system typology using multivariate statistical techniques of principal component analysis and cluster analysis characterized the diverse farm households coexisting within distinct homogenous farm types. Farming system typology identified four distinct farm types viz. resource constrained type-1 households with small land owned, high abundance of poultry, very low on-farm income, constituted 46.5%; resource endowed type-2 households oriented around fruit and vegetable, plantation crop, with a moderate abundance of large ruminant and poultry, high on-farm income, constituted 12.5%; resource endowed type-3 household oriented around food grain, extensive use of farm machinery, with a moderate abundance of large ruminant, low on-farm income, constituted 21.5%; and resource endowed type-4 household oriented around fodder, with high abundance of large ruminant, medium on-farm income, constituted 19.5% of sampled households. Constraint analysis using constraint severity index assessed the severity of constraints in food grain, horticulture, livestock, complementary and supplementary enterprises in each farm type, which allowed targeted farming systems interventions to be envisaged to overcome soil health problems, crops and animal production constraints. Farming system typology together with constraint analysis are therefore suggested as a practical framework capable of identifying type-specific farm households for targeted farming systems interventions.
    Keywords Medicine ; R ; Science ; Q
    Subject code 338
    Language English
    Publishing date 2022-01-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article: Piriformospora indica cell wall extract as the best elicitor for asiaticoside production in Centella asiatica (L.) Urban, evidenced by morphological, physiological and molecular analyses

    Jisha, S / P.R. Gouri / K.N. Anith / K.K. Sabu

    Plant physiology and biochemistry. 2018 Apr., v. 125

    2018  

    Abstract: Vascular plants synthesise a multitude of organic molecules or phytochemicals, referred to as “secondary metabolites”. These molecules are involved in a variety of roles in the life span of plants, ranging from structural ones to protection. Centella ... ...

    Abstract Vascular plants synthesise a multitude of organic molecules or phytochemicals, referred to as “secondary metabolites”. These molecules are involved in a variety of roles in the life span of plants, ranging from structural ones to protection. Centella asiatica (L.) Urban has probably been used since prehistoric times and has been reported to have been used for various medicinal and cosmetic purposes. The plant contains several active constituents, of which the most important is asiaticoside, a triterpenoid. Asiaticoside content in C. asiatica can be enhanced by the use of biotic elicitors like Piriformospora indica. P. indica has been used as a model to study the mechanisms and evolution of mutualistic symbiosis. P. indica is similar to Arbuscular Mycorrhizal (AM) fungi in terms of plant growth promotional effects. The autoclaved fraction from P. indica (PiCWE) was found to be the most active fraction in promoting the plant biomass and asiaticoside content. To date, there are no reports on the potential role of PiCWE in enhancement of asiaticoside over the control and P. indica colonized plants, which was evidenced by the differential expression of key genes involved and final asiaticoside content along with the determination of phytohormones. Moreover, differential expression of selected miRNAs in PiCWE - C. asiatica root interactions over the control and P. indica treated C. asiatica leaf samples was also scrutinized. The important consequence of induction with PiCWE was the significant enhancement of asiaticoside in the PiCWE induced plants in comparison with the asiaticoside content in control and P. indica-C. asiatica interaction. In addition, the role of miRNAs in C. asiatica – PiCWE would enable more in-depth studies for deciphering the molecular and physiological mechanisms of the association and regulation of PiCWE - C. asiatica interactions.
    Keywords Centella asiatica ; Piriformospora indica ; autoclaving ; cell walls ; elicitors ; evolution ; gene expression regulation ; genes ; leaves ; longevity ; microRNA ; models ; mutualism ; mycorrhizal fungi ; phytomass ; phytopharmaceuticals ; plant growth ; plant hormones ; triterpenoids ; vascular plants ; vesicular arbuscular mycorrhizae
    Language English
    Dates of publication 2018-04
    Size p. 106-115.
    Publishing place Elsevier Masson SAS
    Document type Article
    ZDB-ID 742978-2
    ISSN 1873-2690 ; 0981-9428
    ISSN (online) 1873-2690
    ISSN 0981-9428
    DOI 10.1016/j.plaphy.2018.01.021
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 2696: Show issues
    Z 2005/727: Show issues

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  3. Article: A consortium of rhizobacteria and fungal endophyte suppress the root-knot nematode parasite in tomato

    Varkey, Shilpa / K.N. Anith / R. Narayana / S. Aswini

    Rhizosphere. 2018 Mar., v. 5

    2018  

    Abstract: Biocontrol of root-knot nematode with a consortium of bacteria and fungi is an emerging field with environmental and commercial applications. We inoculated tomato roots with the endophytic fungus Piriformospora indica, and two plant-growth-promoting ... ...

    Abstract Biocontrol of root-knot nematode with a consortium of bacteria and fungi is an emerging field with environmental and commercial applications. We inoculated tomato roots with the endophytic fungus Piriformospora indica, and two plant-growth-promoting rhizobacteria (Bacillus pumilus and Pseudomonas fluorescens). We demonstrate the effective suppression of root-knot nematode infection (Meloidogyne incognita). The endophyte was found to confer the most to plant immunity to suppress the nematode parasite. Our trio of bio-agents improved growth of infected plants, but without new benefits compared to single-species treatments. The nematode suppressive effect of the endophyte P. indica was decreased in the presence of the two rhizobacterial strains, due to their antagonism against the fungal endophyte.
    Keywords antagonism ; Bacillus pumilus ; biological control ; endophytes ; fungi ; immunity ; Meloidogyne incognita ; nematode infections ; Piriformospora indica ; plant growth-promoting rhizobacteria ; Pseudomonas fluorescens ; rhizosphere ; rhizosphere bacteria ; root-knot nematodes ; roots ; tomatoes
    Language English
    Dates of publication 2018-03
    Size p. 38-42.
    Publishing place Elsevier B.V.
    Document type Article
    ISSN 2452-2198
    DOI 10.1016/j.rhisph.2017.11.005
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Stress analysis and cytotoxicity in response to the biotic elicitor, Piriformospora indica and its' cell wall extract in Centella asiatica L. Urban

    Jisha, S / K.K. Sabu / K.N. Anith / P.R. Gouri

    Physiological and molecular plant pathology. 2018 Aug., v. 103

    2018  

    Abstract: Study reports prominent findings on the analysis of oxidative stress generated in Centella asiatica, a multifunctional medicinal plant on co-cultivation with P. indica and its extract, P. indica Cell Wall Extract. The presence of P. indica had protective ...

    Abstract Study reports prominent findings on the analysis of oxidative stress generated in Centella asiatica, a multifunctional medicinal plant on co-cultivation with P. indica and its extract, P. indica Cell Wall Extract. The presence of P. indica had protective role in alleviating stress, evidenced by lack of significant change in H2O2, increased total antioxidant capacity and phenolics in P. indica colonized and PiCWE treated plants. No variation was observed between IC50 values and the cell integrity in P. indica colonized C. asiatica appeared intact by TEM analysis. The study preludes the possible role of P. indica in conferring drought tolerance to C. asiatica.
    Keywords antioxidant activity ; cell walls ; Centella asiatica ; coculture ; cytotoxicity ; drought tolerance ; elicitors ; hydrogen peroxide ; inhibitory concentration 50 ; medicinal plants ; oxidative stress ; phenolic compounds ; Piriformospora indica ; protective effect ; transmission electron microscopy
    Language English
    Dates of publication 2018-08
    Size p. 8-15.
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 742470-x
    ISSN 0885-5765
    ISSN 0885-5765
    DOI 10.1016/j.pmpp.2018.04.001
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 2724: Show issues

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