EFFECT OF DIFFERENT DATE OF SOWING AND TEMPERATURE ON ROOT KNOT NEMATODE OF WHEAT CROP IN WESTERN UTTAR PRADESH
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 40
Abstract
Rice root-knot nematode, Meloidogyne graminicola cause considerable yield loss in rice-wheat cropping system due to which it gained a wide importance in the world. An experiment was undertaken on the infested pot, soil to evaluate the effectiveness of temperature with different time of sowing on infestation of root knot nematode in the wheat crop. This experiment was conducted from mid October 2014-mid January 2015 and wheat seed were sown at 15 day intervals. The temperature range was determined from minimum 7.060C to maximum 30.120C during the experiment. The infestation of root knot nematode was found only in early three sowing (mid October–mid November). The highest infestation of root knot nematode (Av. 24.33 galls/ plant) was observed in wheat crop, which was sown at 15/10/14 followed by 7.67 and 3.17 galls/plant at 01/11/14 and 15/11/14 date of sowing respectively and significantly decrease root length. In another four sowing time (1st December- 15 January), the infestation of root knot nematode was not observed and significantly increase the root length. The present study revealed that sowing of wheat after the first week of December in western Uttar Pradesh reduces the infestation of root knot nematode.
Authors and Affiliations
ROHIT RANA
Keywords
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