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Articles by Mukhtar Ahmad
Total Records ( 2 ) for Mukhtar Ahmad
  Tariq Mahmood , Syed Ijaz Hussain , Khalid Mahmood Khokhar , Ghulam Jeelani and Mukhtar Ahmad
  Population dynamic of leaf hopper (Amrasca biguttula biguttula) on brinjal crop and effect of abiotic factors on its dynamic were studied. The leaf hopper started the activity soon after transplanting. The serious activity was noticed from 21st May to 6th August. The highest leaf hopper number per leaf was found as 12.96 + 0.93 on 9.7.96. Mean maximum and minimum temperature were found as positively and significantly correlated with population change. Relative humidity and rainfall was found as negatively and non-significantly correlated with population fluctuation. Sunshine was also positively but non significant correlated factor.
  Tariq Mahmood , S. I. Hussain , K. M. Khokhar , Mukhtar Ahmad and Hidayatullah
  Density fluctuation of trapped fruit flies male, Dacu zonatus was studied through out two consecutive years and effect of abiotic factors on its trapping was investigated in peach orchard. Three traps were placed in the peach orchard on Ist September 1995. The trapping of males continued from 8th September to 8th December, 1995. During 1996, the trapping continued from 6th September to 22nd November. No male was trapped from mid of December to end January during 1995-96 and end of November to Ist week of March, 1996-97. From February to April, mean number of males caught per trap was very low. The month of May, June and July were found as the period of high trapping during 1996, while the same was observed in the month of June and July during 1997. All abiotic factors contributed significantly towards increasing/decreasing fruit fly catches. Mean maximum and minimum temperature, rainfall had a positive and highly significant correlation with mean number of males per trap. Mean relative humidity was the only factor, which had a negative and significant correlation.
 
 
 
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