Evaluation of Ecofriendly Control Methods for Management of Mealybug, Phenacoccus solenopsis Tinsley in Cotton

Evaluation of commercial products based on Isaria fumosorosea and Verticillium lecanii fungi as an alternative in the biocontrol of Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae)

“…Previous studies have revealed that some entomopathogenic fungi (e.g. : Lacanicillium psalliotae) increase the leaf chlorophyll content compared with untreated plants (Kumar et al, 2012). In contrast, our results showed that the commercial formulations of I. fumosorosea and V. lecanii did not change the leaf chlorophyll, polyphenol contents, anthocyanins and potential photochemical yield in cotton plants infested with P. solenopsis.…”

“…In this sense, Banu et al (2010) reported that V. lecanii (2 x 10 8 CFU/g) showed less inhibitory effect against P. solenopis (42.22%) after 48 h of treatment. In addition, Kumar et al (2012) reported a mortality maximum of 45.66% of this pest in the formulation containing V. lecanii (1 x 10 8 conidia/g) after five days of exposure. On the other hand, I. fumosorosea has also shown a great potential to control different insect pests.…”

Population Dynamic of Phenacoccus solenopsis Tinsley on Cotton Plants and Its Susceptibility to Some Insecticides in Relation to the Exposure Method

“…Thiamethoxam, imidacloprid, methomyl and chlorpyrifos have been reported as effective insecticides against the cotton mealybug (Aheer et al, 2009;Suresh et al, 2010;El-Zahi et al, 2016). Under laboratory conditions, Kumar et al (2012) found that chlorpyrifos at 8 ml L -1 caused 61.3% mortality in the five days-old nymphs of P. solenopsis. The field rates of thiamethoxam and imidacloprid applied in the laboratory resulted in 95.2 and 81.6% mortality, respectively in the 2 nd instar nymphs of P. solenopsis (Rashid et al, 2011).…”

“…The cotton growers mostly rely on insecticides to control the insects infesting their crops because the insecticides act rapidly on the infestation, less cost and easily applied (Rashid et al, 2011). Phenacoccus solenopsis infestations on different hosts could be effectively controlled using biological control agents, plant extracts, mineral oils and synthetic insecticides (Aheer et al, 2009;Suresh et al, 2010;Kumar et al, 2012;El-Zahi et al, 2016). The information about the biological activities of P. solenopsis in the cotton fields under the Egyptian condition is not available till now, and no insecticides are recommended to its control as well.…”

Evaluation of chemical, botanical and cultural management options of termite in Tanqua Abergelle district, Ethiopia

“…Unlike the effect on the environment and cost, the use of some chemical insecticides are highly effective against termite (Kumar et al, 2012). Chemical spray with Dursban is highly effective in the management of wood destroying termites (Roll, 2007).…”