National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
An experiment was conducted at Agricultural college farm, Bapatla, Andhra Pradesh to study the ‘Assessment of effect of different dust (cement, stone crusher, and lime) pollutants at various levels on total chlorophyll content, transpiration rate and yield of blackgram (Phaseolus mungo L.). The experiment revealed that with an increase in applied dust leads to the decrease in total chlorophyll content and transpiration rate in plants that further engender lesser yields compared to the control. Among these dusts Cement dust @ 150 gm-2 (T10), Cement dust @ 100 gm-2 (T9) and Stone crusher dust @ 150 gm-2 decreased the total chlorophyll content in the leaves of blackgram respectively, compared to control. Decrease in transpiration rate was observed with cement dust 150 gm-2, over control and gradual decrease of per cent number of pods per plant, decrease in number of seeds per pod over control. With respect to 100 seed weight, cement dust @ 150 gm-2 (T10) and cement dust @ 100 gm-2 (T9) recorded 16.48 and 14.07 per cent decrease, respectively, over control. Cement dust @ 150 gm-2 (T10) showed the highest reduction of seed yield ha-1 and harvest index compared to control.
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