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Evaluation of Coconut Hybrids for Tender nut

  • Author:T. Kanimozhi, N. Shoba and K.Venkatesan

    Page No: 329-331

    DOI:10.29321/MAJ.2018.000154
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Abstract

      An experiment to evaluate the coconut hybrids for tender nut was conducted at Coconut Research Station, Aliyar nagar during 2017-18. Seven cross combinations along with eight parents were studied. The nuts were harvested at tender nut stage and the quantitative traits like nut weight, volume of nut water and qualitative traits viz., pH, TSS, Total sugars, reducing sugar, non-reducing sugar, sodium and potassium were recorded. Among the hybrids COD x WCT significantly differed from other hybrids for volume of tender nut water, sodium and potassium content which is mostly preferred for the tender nut quality.
Key Words: Hybrids, Tender nut, Quantitative traits and qualitative traits.

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Abstract

                                To evaluate the effect of different cropping sequences on soil nutrients status, nutrients uptake and crop yield in PAP command area an experiment was carried out at Coconut Research Station, Aliyar Nagar, Pollachi during 2017-18. In Kharif season, the rice crop was grown followed by seven sequential crops during rabi season. Thus, there were seven different cropping sequences viz., Rice – Sunflower (T1), Rice – Sesame (T2), Rice – Blackgram (T3), Rice – Castor (T4), Rice – Maize (T5), Rice – Onion (T6) and Rice – Groundnut (T7) cropping sequences. Results of the post - harvest soils of the different cropping sequences revealed that significantly highest soil organic carbon SOC content was observed in Rice – Groundnut (T7) cropping sequence, however this was on par with Rice – Maize (T5) and Rice – Castor (T4) cropping sequences. A significant higher value of available P was registered in Rice – Blackgram (T3) cropping sequence that was on par with Rice – Groundnut (T7) cropping sequence. Available K was significantly higher in Rice – Groundnut (T7) cropping sequence which was on par with Rice – Onion (T6) cropping sequence. The Rice – Maize (T5) cropping sequence recorded the highest total N uptake and Rice – Sunflower (T1) cropping sequence registered higher total P uptake and the total K uptake was higher in Rice – Maize (T5) and Rice – Sunflower (T1) cropping sequences. Grain yield and straw yield were significantly higher under Rice – Maize (T5) and Rice – Groundnut (T7) cropping sequences. Though the Rice – Castor (T4) cropping sequence recorded highest B:C ratio of 2.08, considering the quantity of water consumption, economic yield, soil nutrients and B:C ratio, the best cropping sequence registered in Parambikulam Aliyar command area was Rice – Castor (T4) cropping sequence followed by Rice – Groundnut (T7) and Rice – Maize (T5) cropping sequences.

Key words : Cropping sequence, Nutrient dynamics, Nutrient uptake, Grain and Straw yield.

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For MASU related issues :
SECRETARY
Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.

For MAJ related issues :
CHIEF EDITOR
Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.

Contact Us

Office: 0422-2436781 , 0422-2966781
Mobile: +91 8300947681

Email: masutnau@gmail.com
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Copyright @ 2019 Madras Agricultural Journal | Developed by Crystalpro All right reserved.

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    • Get In Touch

    For MASU related issues :
    SECRETARY
    Madras Agricultural Students Union
    Tamil Nadu Agricultural University
    Coimbatore - 641 003
    Tamil Nadu, India.

    For MAJ related issues :
    CHIEF EDITOR
    Madras Agricultural Students Union
    Tamil Nadu Agricultural University
    Coimbatore - 641 003
    Tamil Nadu, India.

    Contact Us

    Office: 0422-2436781 , 0422-2966781
    Mobile: +91 8300947681

    Email: masutnau@gmail.com
    masu@tnau.ac.in , maj@tnau.ac.in

    Social Media

    Copyright @ 2019 Madras Agricultural Journal | Developed by Crystalpro All right reserved.