MANAGEMENT OF MACROSIPHUM ROSAE L. ON DIFFERENT CULTIVARS OF ROS

The research was conducted in the rose field area of Pir Mehr Ali Shah Arid AgricultureUniversity, Rawalpindi during 2008 to 2009. Botanical extracts of tobacco, neem and detergent solution was used as treatment for the management of rose aphids. Data were recorded on weekly bases. Nymphs, winged and wingless adults were counted from leaves (upper, middle and lower sides), buds and flowers by visual observation from tagged plants. Aphid s population start to develop in the month of November and population decline with decline in temperature in the month of December, While it started rising again at the end of February. Significantly greater aphid populations observed on Perfecta than other varieties however, there were significantly lesser aphids observed on Christen Diar. Botanical products tobacco and neem extract have been found promising and useful for control. Among botanical extracts, the highest percentages of aphids were killed consistently across the time after application by tobacco leaf extracts. Neem was also found to produce appreciable result. Reductions of aphid papulation increased with increase of the time after treatments were applied. These studies reveal that farmers growing roses on commercial scales should grow Christen Diar to avoid aphid attack. Research scientists can incorporate Perfecta and Christen Diar in their rose germ plasms being tested against the attack of aphids. The farmers can also use tobacco and neem extracts at the time of initial infestation of aphid on rose plants