Effect of meteorological parameters on the population dynamics of leaf and flower feeder on mango (Mangifera indica L.).
Kannan M., Rao N. V.
Author Affiliation: Department of Entomology, S.V. Agricultural College, Tirupati - 517 502, Andhra Pradesh, India.
Insect Environment 9 :88
Abstract : A study was carried out in mango orchards in Tirupati, Chittoor, Andhra Pradesh, India, during October 2000-July 2001 to determine the effect of abiotic factors on the incidence of T. quadraria. The peak population of leaf and flower feeder was observed during the fifth week of December 2000 (9.0 larvae per 12 panicles). However, a gradual increase was observed from the first week of November 2000 (3.2 larvae per 12 panicles) to the first week of February 2001 (2.2 larvae per 12 panicles). The leaf and flower feeder population was negatively correlated with minimum and maximum temperatures (significant) as well as rainfall (non-significant), whereas with relative humidity the correlation was positive and significantly correlated. Rainfall showed no correlation.