ICAR rebuts bias charges in gene-edited rice trials
The Indian Council of Agricultural Research (ICAR) on Wednesday has strongly refuted allegations of bias in the evaluation of two gene-edited rice varieties, asserting that both Pusa DST-1 and DRR Dhan 100 Kamala demonstrated superior performance in their designated growing regions. In a detailed statement, ICAR defended its multi-location trial methodology under the All India Coordinated Research Project on Rice (AICRPR), which has been operational since 1965 and has contributed to the release of over 1,750 rice varieties. The rebuttal comes in response to criticism from The Coalition for a GM-Free India, which had questioned the evaluation process for the two gene-edited lines developed through advanced breeding techniques.
ICAR emphasised that both varieties were specifically evaluated in their target performance environments (TPEs) — the regions where their parent varieties MTU1010 and Samba Mahsuri are already released and cultivated, primarily in southern states under Zone VII. For Pusa DST-1, developed as a salt and alkalinity-tolerant version of MTU1010, ICAR reported significant yield advantages under stress conditions.
Under alkaline conditions in Zone VII, the gene-edited line yielded 3,731 kg per hectare compared to MTU1010’s 3,254 kg per hectare—a 14.66 per cent improvement. Under coastal salinity, it showed 30 per cent yield superiority.
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