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  1. AU="Vishnuprabha, R. Sangeetha"
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  1. Article: Assessment of Maturity over Seasons using Various Indices in Groundnut (Arachis hypogaea L.)

    Vishnuprabha, R. Sangeetha / Viswanathan, PL / Manonmani, S. / Rajendran, L. / Selvakumar, T.

    Legume research. 2022 May, v. 45, no. 5

    2022  

    Abstract: Groundnut is a crop with puzzling nature of maturity. The ability to determine the correct data of harvest in groundnut is strongly affecting factor of the economic return from the crop. Among the different methodologies suggested for calculating the ... ...

    Abstract Groundnut is a crop with puzzling nature of maturity. The ability to determine the correct data of harvest in groundnut is strongly affecting factor of the economic return from the crop. Among the different methodologies suggested for calculating the maturity index in groundnut, those which could be used at field level and with ease includes: shell out method, seed hull ratio maturity index, hull scrape method and maturity profile board (MPB) method. The present study was taken up to evaluate the efficiency of these methods in determining the maturity duration. The maturity indices were calculated in the varieties CO 7, ICGV 07222, VRI 6, VRI 8, GPBD 4, VRI 3, Chico, Gangapuri, ICGV 91114 and ICGV 93468 cultivated during 2018–19, at Tamil Nadu Agricultural University, Coimbatore. In shell out and hull scrape method maturity indices ranging from 70–80% and in Seed hull ratio maturity index the range 2.9–3.6 revealed the highest number of matured pods with maximum weight. The correlation study results showed highest efficacy of hull scrape method in predicting the correct date of harvest in groundnut. The method establishes that the colour of mesocarp exactly reveals maturity status of groundnut pods. Thus, maturity index in groundnut is more reliable when calculated by hull scrape method. In case when the maturity index is below 70% the pods could be arranged on a maturity profile board (MPB) to determine the days until digging.
    Keywords Arachis hypogaea ; agricultural colleges ; color ; costs and returns ; mesocarp ; peanuts ; research ; India
    Language English
    Dates of publication 2022-05
    Size p. 580-586.
    Publishing place Agricultural Research Communication Centre
    Document type Article
    ISSN 0976-0571
    DOI 10.18805/LR-4366
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: Correlation and path analysis studies for parents and F₁crosses in barnyard millet [Echinochloa frumentaceae (Roxb.) Link] for nutritional characters

    Vishnuprabha, R. Sangeetha / Vanniarajan, C

    Agricultural science digest. 2018 Mar., v. 38, no. 1

    2018  

    Abstract: Association analysis was studied in twenty F1 crosses and five parents of barnyard millet to find out the association of nutrient characters and their direct and indirect effects on single plant yield. The results exhibited that the nutrient traits are ... ...

    Abstract Association analysis was studied in twenty F1 crosses and five parents of barnyard millet to find out the association of nutrient characters and their direct and indirect effects on single plant yield. The results exhibited that the nutrient traits are inter-related and improvement of yield will bring about the simultaneous improvement of the nutrient characters also. Total phenols and iron content recorded moderate positive direct effects on single plant yield. Total anti-oxidant activity and zinc content had low negative direct effects on single plant yield that were neutralized bypositive indirect effects of other traits. The analysis revealed that the improvement of yield will simultaneously bring improvement on total phenols and iron content directly and on total anti-oxidant activity and zinc content indirectly.
    Keywords Echinochloa frumentacea ; agricultural sciences ; antioxidant activity ; path analysis ; zinc
    Language English
    Dates of publication 2018-03
    Size p. 52-54.
    Publishing place Agricultural Research Communication Centre
    Document type Article
    Note NAL-AP-2-clean
    ISSN 0976-0547
    DOI 10.18805/ag.D-4689
    Database NAL-Catalogue (AGRICOLA)

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    Order via subito

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    Inter-library loan at ZB MED

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  3. Article: Estimation of heterosis and combining ability of yield traits in groundnut (Arachis hypogaea L.)

    Vishnuprabha, R. Sangeetha / Viswanathan, P.L. / Manonmani, S. / Rajendran, L. / Selvakumar, T.

    Indian journal of agricultural research. 2021 June, v. 55, no. 3

    2021  

    Abstract: Groundnut, an important oilseed crop is grown in about 100 countries for oil and kernel. The kernels of groundnut also serves multiple table purposes as rough snacks to other value added product other than oil. Its importance is well experienced in the ... ...

    Abstract Groundnut, an important oilseed crop is grown in about 100 countries for oil and kernel. The kernels of groundnut also serves multiple table purposes as rough snacks to other value added product other than oil. Its importance is well experienced in the area occupied by it around the world among oilseeds in which it stands within top five. There is a constant thrust in increasing the productivity of groundnut among the cultivators seeking which the present study is taken up. L × T analysis was taken up to estimate the gene action of yield and yield contributing traits for their improvement. 5 lines viz., CO 7, ICGV 07222, VRI 6, VRI 8 and GPBD 4 and 5 testers viz., VRI 3, Chico, Gangapuri, ICGV 91114 and ICGV 93468 were crossed to obtain 25 crosses. The L × T analysis was carried out on the biometrical data recorded. GCA and SCA variance revealed the importance of both additive and non-additive gene action of all the traits. Pod yield and kernel yield per plant were governed by non-additive gene action suggesting the advancement of the generation for selection to improve these traits. The parents ICGV 07222, VRI 8, Chico and ICGV 91114 were estimated to be best combiners for the inclusion in further breeding programs. The cross ICGV 07222 × Chico, a product of good combiners was best performing and can be used to obtain superior recombinants. Standard heterosis of 27% was observed for pod yield in the groundnut crosses.
    Keywords Arachis hypogaea ; agricultural research ; biometry ; genes ; heterosis ; oils ; oilseed crops ; peanuts ; seeds ; variance
    Language English
    Dates of publication 2021-06
    Size p. 310-316.
    Publishing place Agricultural Research Communication Centre
    Document type Article
    ZDB-ID 2569845-X
    ISSN 0976-058X ; 0367-8245
    ISSN (online) 0976-058X
    ISSN 0367-8245
    DOI 10.18805/IJARe.A-5486
    Database NAL-Catalogue (AGRICOLA)

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  4. Article: Correlation and path analysis studies for parents and F1 crosses in barnyard millet (Echinochloa frumentaceae (Roxb.) Link) for nutritional characters

    Vishnuprabha, R. Sangeetha / Vanniarajan, C.

    Agricultural science digest

    2018  Volume 38, Issue 1, Page(s) 52

    Document type Article
    ZDB-ID 741700-7
    ISSN 0253-150x
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Z 4058: Show issues

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  5. Article: Assessment of Maturity over Seasons using Various Indices in Groundnut (Arachis hypogaea L.)

    Vishnuprabha, R. Sangeetha / Viswanathan, P. L. / Manonmani, S. / Rajendran, L. / Selvakumar, T.

    Legume research

    2022  Volume 45, Issue 5, Page(s) 580

    Document type Article
    ZDB-ID 407856-1
    ISSN 0250-5371
    Database Current Contents Nutrition, Environment, Agriculture

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    In stock of ZB MED Bonn / Germany

    Z 3393: Show issues

    Order via subito

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    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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