Effect of presowing irradiation of seed from winter rapeseed by helium-neon laser on the growth, yield and quality of the green mass
2000
Ivanova, R. | Stoyanova, S. (Higher Institute of Agriculture, Plovdiv (Bulgaria))
The experiment was carried out with the cultivar Ossiek 4. The seed have been irradiated using helium - neon laser of 623.8 nm wave length and power 20 mwt. The average duration of seed treatment in the irradiation zone was 1-10E-3 s and the mean single irradition doze -3.10E-7 s. The seed was irradiated 1,2,3,4,5 and 6 times. Untreated seed was used as control (C). The results of biometric analysis showed tendency for development of powerful vegetation organs from irradiated variants. It was established that the plant from irradiation seeds had most leaves and flowers. The highest stimulating effect of the three year experiment was obtained by 2 times treated seed- 103000 kg/ha which exceeded 1.7 times the control. There were no depressing effect by the higher values of irradiation. Yield and crude protein content were the highest in irradiation variants.
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