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- 저자 : Abid Mahmood Alvi (검색결과 2 건)
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Naeem Iqbal,Abid Mahmood Alvi,Muhammad Shoaib,Abdul Rashied,Qamar Saeed,Muhammad Amjad Bashir 한국응용곤충학회 2018 Journal of Asia-Pacific Entomology Vol.21 No.2
Fungus-growing termites are important pests in buildings and agriculture in Pakistan and are difficult to control with existing bait systems. Development of bait systems requires the knowledge of foraging behavior of termite species. Behavior of foraging workers depends upon the quality and quantity of the food placed in the bait stations. In the current study, we tested 16 different woods (of varying density) for their susceptibility to an important fungus-growing termite, Odontotermes obesus (Rambur). The aim was to find a highly susceptible wood for use in bait stations. The woods were evaluated in no-choice and choice feeding experiments in the field by mass loss and visual ratings to the termites. Statistically significant differences were recorded (P < .001). Woods having low density were preferred to high density woods. Highest mass losses (%) were recorded from Ficus religiosa (86.49–87.8%), Bombax malabaricum (86.53–88.43%) and Populus euramericana (75.62–76.31%) in both no-choice and choice tests under “very heavy attack (almost collapsed) to completely consumed” visual rating category. The woods having least mass losses were Albizia lebbeck heartwood (7.03–9.91%), Syzygium cumini (14.25–19.89%) and Dalbergia sissoo heartwood (14.35–24.88%) and had “slightly to superficial attack” with minimum rating values. Ficus religiosa, B. malabaricum and P. euramericana appear suitable woods for use in bait stations for fungus-growing termites.
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Pollination biology of Callistemon viminalis (Sol. Ex Gaertn.) G. Don (Myrtaceae), Punjab, Pakistan
Abdul Latif,Naeem Iqbal,Muhammad Ejaz,Saeed Ahmad Malik,Allah Bakhsh Gulshan,Abid Mahmood Alvi,Khaliq Dad 한국응용곤충학회 2016 Journal of Asia-Pacific Entomology Vol.19 No.2
A research was conducted to find out the floral traits and pollinator's community of bottle brush (Callistemon viminalis: Myrtaceae). Total numbers of pollen grains, pollen grain viability, stigma receptivity, nectar volume and nectar concentration, numbers of ovules and pollen/ovule ratio were recorded. The pollinators' abundance, visitation rate and frequency were also observed. In field experiment, capsule weight, seed setting and seed numbers in open and caged flowers were also evaluated. The results revealed a total of 128,139 pollen grains/ flower. Among total pollen grains, viable pollen grains were 84.3% and non-viable were 15.69%. There were 275 ovules/flower and pollen ovule ratio was 472.50. Stigma receptivity was decreased with the age of the flowers and stigma remained receptive for about 6 days. The nectar volume and nectar concentration were 13 μL and 29%, respectively. The flowers were visited by nine Hymenopteran, four Lepidopteran, one Dipteran and one bird species. Among all pollinators, bees represented the most abundant species (1290) and showed the highest visitation rate (3.6–13.8 numbers of flowers/min) and visitation frequency (0.22–1.92 individuals/ branch/5 min). Open-pollinated flowers showed statistically higher capsule weight (0.0824 ± 0.001), seed setting (0.052 ± 0.0001) and seed numbers (242.4 ± 2.87) as compared to flowers in cages.
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