K.N. Ahmed and M.R. Hasan

Sudden outbreak of mealy bug and armoured scale causing severe damage to economic crops in Bangladesh
... the leaves of different ornamental plants in Rajshahi and Dhaka, Bangladesh. It is a polyphagous pest damaging coffee, sweet potato, jute, groundnut, tomato, citrus, cotton, guava etc. causing enormous damage to them. The female lays about 300-400 eggs which hatch in few hours. The life cycle is completed in about 40 days. The small and big black ants tend F. virgata and they keep other insects including hymenopteran parasites away from the mealy bug. The cot...

K.N. Ahmed , M.A. Al-Helal, N-E-P. Khanom, S. Bulbul

Control strategies of papaya mealybug, Paracoccus marginatus Williams & Willink infesting vegetable crops in Bangladesh
...al, horticultural crops, ornamental plants and weeds of economic value. The papaya mealybug feeds on the sap of the plants by inserting its stylets into the epidermis of the leaf as well as into the fruit and stem. In doing so, it injects a toxic substance into the leaves. The result is chlorosis, plant stunting, leaf deformation, early dropping of the leaves and fruits, a heavy accumulation of honeydew and death of the host plants. Heavy infestation is capabl...

M. A. Al-Helal, K. N. Ahmed, N-E-P. Khanom, and S. Bulbul 

Observations on papaya mealybug, Paracoccus marginatus Williams & Willink (Hemiptera : Pseudococcidae) damag-ing some crops in Bangladesh
...ld crops, vegetables and ornamental plants of economic importance in Bangladesh perspectives.
 

 

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S. Pal and I. Sarkar

Pests infesting ornamental plants in hilly region of West Bengal
...ound infesting different ornamental plants viz. Myzus persicae on Carnation, gerbera and Anthurium; Macrosiphoniella sanborni on Chrysanthemum; Aphis gossypii on China rose. Other sucking pests infesting ornamentals included Bemisia tabaci on Gerbera, leafhopper on Gladiolus and scale insect (unspecified) on Anthurium. Amongst the thysanopteran pests Taeniothrips simplex was very much serious on Gladiolus and another species of thrips (unspecified) was found i...
Ghulam Muhae-ud-Din1,4, Anam Moosa1, Umer Farooq Ghummen1, Muhammad Jabran1, Amjad Abbas1, Muhammad Naveed2, Abdul Jabbar1 and Muhammad Amjad Ali1,3,*
...nts. It also infects the ornamental plants resulting in a serious growth-limiting factor in ornamentals. In this study, the response of ten ornamental plants to M. incognita was assessed in pot experiments. All the ornamental plant species showed varying degree of infection of M. incognita. Rhapis excels and Ophiopogan japonicas were moderately resistant, Cordyline fruticosa, Hibiscus sy...

Pakistan Journal of Zoology

August

Vol. 50, Iss. 4, Pages 1199-1600

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