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EFFECT OF IRRIGATION SYSTEM AND SOME SYSTEMIC FUNGICIDES ON CHARCOAL ROT ON MELON . | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 39, Issue 6, 2008, Pages 111-116 | ||
| Author | ||
| Ismail Ahmed Ismail | ||
| Abstract | ||
| To determine the best method to control the charcoal rot on melon caused by Macrophomina phaseolina ,two methods of irrigation were tested; furrow irrigation and drip irrigation with systemic fungicide, tebuconazol 2% and fludioxonil 100g / l as a seed treatment in both methods. The result showed that drip irrigation reduced the percentage of infection to 3% as compared to furrow irrigation ( 50.8%) when seeds were infested with fungus in control treatment .It was also found that the pesticide was highly effective in the prevention and control plants from the disease. Tebuconazol 2% prevented incidence in the treatment of furrow irrigation. The percentage of infection was zero, while and in the drip irrigation it was 1.6% .Either fludioxonil 100g / l has reduced the percentage of infection in the treatment of furrow irrigation and drip irrigation to 4.7% and 4.6%, respectively. There was no significant difference between fungicides treatment in both irrigation methods. It also was found that drip irrigation had good crop quality for increased rate of length of plant, it was 248 cm despite of the infestation of seeds.The length of the plant was decreased in furrow irrigation to (192 cm) . No rate varies in the length of plant to the fungicides tebuconazol 2% and fludioxonil treatment in both method of irrigation. There was no significant difference in number of branches plant in both method of irrigation and when using fungicides. The results proved that using drip irrigation with one of fungicides was guarantee effective to prevention of infection of plants in that fungus and to protect it to the later stages as well as the saving of irrigation water and shortening of many service operations such as construction of water carriers, control of weed and reducing the costs of fertilization and agricultural pest control . | ||
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