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Research Article

Phenological Relationship Between Mango Hoppers Idioscopus spp. and Mango Inflorescence/Fruit

Muzaffar A. Talpur , Rab Kino Khuhro and Imtiaz A Nizaman
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The experiment on the phenological relationship between mango hoppers and mango inflorescence/fruit was conducted at Mir. Ghulam Rasool Talpur fruit farm, Tandojam, during 1999-2000. The results showed that mango hoppers were recorded during 30th December (0.06/shoot) on all the mango varieties. The population density increased gradually on the varieties up till second fortnight of February and thereafter populations of mango hopper increased rapidly. The peak populations of mango hopper on Almas (24.23/shoot) and Sindhri (25.66/shoot) were recorded on 23rd March and 30th March, respectively. However, peak population density in Neelum (22.52/shoot) was recorded on 16th March. Thereafter population of hoppers declined towards fruit maturation in all the varieties. Population density of mango hopper and positives significant correlation with the inflorescence phenology in all the mango varieties, however population of hoppers had negative correlation with fruit development. The population of mango hopper had positive significant correlation with temperature in Almas (r = 0.668) significant. The relative humidity had negative non-significant correlation with mango hoppers on all the mango varieties. It could therefore be inferred that Sindhri was more prone to the attack of mango hoppers and Neelum was least infested.

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  How to cite this article:

Muzaffar A. Talpur , Rab Kino Khuhro and Imtiaz A Nizaman , 2002. Phenological Relationship Between Mango Hoppers Idioscopus spp. and Mango Inflorescence/Fruit. Journal of Applied Sciences, 2: 533-536.

DOI: 10.3923/jas.2002.533.536


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