Abstract

The present investigation was undertaken to study the undesirable effects of the herbicides, namely, lasso and basagran at higher dose levels on chilli crop. It was observed that both germination and survival were effected in all the treatments of lasso and basagran and the injurious effects of lasso on germination and survival was more than in basagran. Similarly, both lasso and basagran treatments produced meiotic aberrations and the frequency is markedly higher in lasso treatments than in basagran. Pollen sterility which was observed from 17th to 23rd day after spray was highest in lasso treatments over basagran. Yield and yield components are on a par with control in basagran treated population, while it was significantly reduced in lasso treatments. It was concluded that in herbicides like lasso, the threshold level should be fixed for more safer use.

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