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The plant pathology journal v.21 no.2, 2005년, pp.137 - 141  

Effect of Cotton Leaf Mosaic Disease on Morphology, Yield and Fibre Characteristics of Upland Cotton in Pakistan

Akhtar, Khalid P.    (Nuclear Institute for Agriculture and Biology   ); Haq, M.A.    (Nuclear Institute for Agriculture and Biology   ); Ishaque, Wajid    (Nuclear Institute for Agriculture and Biology   ); Khan, M.K.R.    (Nuclear Institute for Agriculture and Biology   ); Khan, Azeem I.    (Nuclear Institute for Agriculture and Biology  );
  • 초록

    The effect of cotton leaf mosaic disease on morphology, yield and fibre characteristics was examined for a susceptible cotton candidate variety CRIS-168. Plants inoculated at most susceptible growth stage (six week) under screen house showed severe mosaic symptoms. There was a significant reduction in plant height and yield. Cotton leaf mosaic disease was found to produce severe effects on plant morphology with 24.1% reduction in plant height, 25% in internode length and 37.5% in number of sympodia on main stem. However no changes were observed against number of monopodial branches per plant. Inoculated plants showed 82% decrease in yield/plant, 80% in number of boll set/ plant, 12.1% in boll weight, 12.8% in lint weight, 10.8% in seed weight, and 6.8% in seed index. Cotton leaf mosaic disease also showed effects on fibre characteristics with 0.8% decrease in GOT and 1.6% in fibre length. In contrast, uniformity ratio, fibre fineness and maturity index was increased by 20.5%, 14.4% and 0.9%, respectively.


  • 주제어

    cotton .   leaf mosaic .   fibre characteristics .   Pakistan .   plant morphology .   yield components.  

  • 참고문헌 (15)

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    13. Ahmad, W., Butt, T. B., Ihsan, J. and Rehman, A. 2003. Natural occurrence of tobacco streak virus in cotton in Pakistan and screening for its resistant sources. Pak. J. Bot. 35:401-408 
    14. ASTM. 1997. Standard test method for measurement of cotton fibre properties by high volume instrument (HVI) ASTM Designation: D 4605-86.Amer.Soc.for Test. and Materials, Philadelphia, USA 
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