Effect of mutagens on the quality characters and disease resistant genes of diploid cotton (Gossypium arboreum L.)
2002
Haidar, S. (Nuclear Inst. for Food and Agriculture, Peshawar (Pakistan)) | Khan, I.A. | Mansoor, S.
In both M1 and M2 plant height decreased with the increase in dose for both the mutagens. The 15 Krad and 0.15M EMS doses increased 122.7 and 128.3 gm seed cotton yield as compared to control respectively while all other doses of both mutagens decreased the yield of seed cotton. The EMS dose 0.10 M drastically decreased 184 gm seed cotton yield as compared to control. There was no larger effect of both mutagens on GOT % whereas staple length was slightly increased and micronaire value decreased as compared to control for all the doses of both mutagens. It was observed in M2 that mutation dose 10 Krad increased 165.6 gm seed cotton yield as compared to control but slight reduction in GOT % was observed. In M2 GOT were increased 3.5 % with 15 Krad and 3.6 % with EMS 0.10 M as compared to control. There were no larger effects for both mutagens in case of staple length, micronaire and uniformity ratio for all the doses as compared to control. respectively. In both M1 and M2 no plant was observed susceptible to cotton leaf curl virus and bacterial blight diseases of cotton.
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