Effect of Different Levels of Soil Moisture and Trichoderma Viride in Controlling Black Scurf of Potato
Effect of Different Levels of Soil Moisture and Trichoderma Viride in Controlling Black Scurf of Potato
Azra Nadeem1*, Shaukat Hussain2, Saeedullah2, Asma Akbar3, Zahoor Ahmad4, Maryam Tariq5, Robina Karim6 and Muhammad Huzaifa7
ABSTRACT
The interactive effect of 5 different soil moisture levels (3%, 5%, 8%, 11% and 15%) with or without Trichoderma viride as biocontrol agent in controlling black scurf was investigated under controlled conditions. Data were recorded for disease severity, incidence, tuber weight, number of tubers/plant, fresh root weight and plant height at the time of harvest of the crop. The biocontrol agent (T. viride) showed lowest disease incidence (53.73%) and severity (1.27) at 8% moisture level. There was a reduction of 43.33% and 63.29% over control by T. viride for disease incidence and severity respectively at this moisture level. The effect of soil moisture was highly significant and maximum tuber weight was recorded at 15% soil moisture. Both fresh root weight and plant height were not significantly affected by fungal treatments and moisture levels under the conditions of the experiment. The biocontrol agent exhibited good results in terms of disease control and improving yield parameters, between 8 and 15% moisture levels.
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