Biologia Plantarum

, Volume 36, Issue 3, pp 451–459 | Cite as

Growth, carbohydrates and associated invertase and amylase activities in castor bean and maize as affected by metribuzin and NaCl

  • M. N. A. Hasaneen
  • H. M. El-Saht
  • F. M. Bassyoni
Original Papers


Growth parameters (leaf area, length of shoot and root, water content and dry matter accumulation), contents of reducing sugars and saccharose as well as activities of α- and β-amylases of castor bean and maize seedlings and adult plants supplemented with 0.5 μg g−1 and 2.5 μg g−1 of metribuzin either alone or in combination with 50 μg g−1 NaCl, were increased significantly whereas at high concentrations (5 and 10 μg g−1) of herbicide, an opposite response was apparent. On the other hand, polysaccharide content and invertase activity of castor bean and maize seedlings and adult plants were significantly decreased in response to low concentrations (0.5 and 2.5 μg g−1) of metribuzin and increased significantly at high concentrations (5 and 10 μg g−1) of the herbicide either alone or in combination with 50 μg g−1 NaCl. Total carbohydrate contents of castor bean and maize seedlings and whole plants treated with herbicide either alone or in combination with NaCl did not change significantly. Growth parameters, carbohydrate fractions contents and activities of enzymes in both castor bean and maize seedlings and whole plants treated with herbicide alone were consistently higher than those values detected in plants treated with herbicide in combination with NaCl.


Adult Plant Saccharose Content Invertase Activity Maize Seedling Castor Bean 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Institute of Experimental Botany 1994

Authors and Affiliations

  • M. N. A. Hasaneen
    • 1
  • H. M. El-Saht
    • 1
  • F. M. Bassyoni
    • 2
  1. 1.Department of Botany, Faculty of ScienceUniversity of MansouraEgypt
  2. 2.Department of Botany, Benha Faculty of ScienceUniversity of ZagazigBenhaEgypt

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