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EXPOSING POTATO SEED TUBER TO HIGH VOLTAGE FIELD I- EFFECTS ON GROWTH AND YIELD | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 39, Issue 2, 2008, Pages 1-11 | ||
| Authors | ||
| M. K. Al-Jebori; M. Al-Barzinji | ||
| Abstract | ||
| A field experiment was carried out at College of Agriculture/Abu-Ghraib, by exposing potato tuber seeds (class Elite) in the spring season and (class A) in the fall season of 2005 to electricity Held (0 as control, 550 volt/cm (AC), 1150 volt/cm (DC) and 2300 volt/cm (DC) respectively for 1, 2 and 4 minutes a week before planting in factorial RCBD experiment design. Results showed that peroxidase enzyme activity was significantly increased in 550 volt/em treatment by 7.84% as compared to control treatment at spring season, in contrast this activity decreased by 35.10% in the same treatment compared to control treatment in the fall season. Results also showed that increasing voltages increased the number of stems/ plant not significantly in the spring season, and significantly in fall season by 21.20% in 2300 volt/cm treatment compared to control treatment. 550 volt/cm treatment increased the plant height by 14.01 and 7.66% compared to control treatment and 19.01 and 10.70% compared to 2300 volt/cm treatment for both spring and fall season respectively. Time of exposing had no significant effect on most of vegetative growth for both spring and fall seasons. 1150 volt/cm treatment increased the number of tubers/plant by 18.17 and 3.36% compared to control treatment and 22.11 and 12.96% compared to 2300 volt/cm treatment for both spring and fall season respectively. Both of marketable and total yield increased in 1150 volt/cm treatment by 18.17 and 18.16% compared to control treatment and 32.87 and 26.41% compared to 2300 volt/cm treatment in the spring season, while in the fall season the increase was 1.20 and 15.14% compared to control treatment and 1.95 and 14.50% compared to 2300 volt/cm treatment for both of marketable and total yields | ||
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