Effect of Acid Stress on the Behavior of Soil Nematodes

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Abstract:

In vitro test was used to determine the effect of acid stress on soil nematode (Meloidogyne incognita) J2 survival, behavior, individual development and fluid extravasations. The effects of acid stress on J2 survival is C2H2O4>C6H8O7>C4H6O5. Inhibition on J2 movement behavior increased with time prolonged. Effect on nematode body length, stylet length, tail transparent area length, body fluid extravasations: C2H2O4>C6H8O7>C4H6O5. At high magnification optical microscope can be clearly observed symptoms of poisoning J2. Compared with the control, acid inhibited the nematode survival, movement and individual development, promote the body fluid extravasations, destroyed the normal physiological metabolism of nematodes, even lead to death.

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341-345

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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