Tag: virus

Control Measures of Cotton Leaf Curl Virus, a major threat to cotton’s future

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Cotton Leaf Curl Disease is among the most destroying viral catastrophe that causes tremendous loss to cotton yield particularly in Pakistan during the past 20 years. Seven different types of Begomoviruses have been discovered related with the disease. It was first revealed in Nigeria (1912) on Gossypium Peruvianum and Gossypium Vitifolia, Sudan (1924), Tanzania (1926), […]…Read More


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article image A new emerging mosquito borne virus (Flaviviridae), first segregated in 1947 from a Rhesus monkey present in Zika forest of East African country Uganda, is the Zika virus. Its transmission is mainly by the bite of Aedes mosquitoes. In sub-Saharan Africa and Southeast Asia, there were occasional cases after first Zika virus emergence. The outbreaks […]…Read More

Ebola virus disease

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article image Ebola Virus Disease (EVD) is acute, serious illness lead to death, formerly known as Fatal Hemorrhagic Fever in humans and mammals, caused by genus Ebolavirus, family Filoviridae, and order Mononegavirale. It is negative sense single stranded RNA and disease is caused by Zaire ebolavirus. EVD is highly fatal disease and epidemic in South Africa, transmitted by wild animals and spread through humans to humans. It affects human and non human primates. EVD in human being is caused by four…Read More

Notorious tiny creature – Dengue Virus

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article image According to a famous saying of Winston Churchill, "However, beautiful the strategy, you should occasionally look at the results". This quote can be applied to our programs and strategies for the control of Dengue Virus at provincial and national levels. If we look at the recent history of Dengue Virus in Pakistan, in November, 2010, more than 21,204 people were diagnosed with dengue fever and the severity of epidemic was greatest in Lahore. Despite the efforts of the…Read More

West Nile Virus: Do we need its surveillance and control programme?

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When considering the life of the mosquito, we can say that it has a very extraordinary adventure. It begins with a bite, a painless bite. The mosquito comes in the night, alights on an exposed patch of flesh, and assumes the hunched, head-lowered posture of a sprinter in the starting blocks. Then she plunges her stiletto mouth-parts into the skin. The mosquito has long, filament thin legs and dappled wings; she’s of the genus Culex (Cx), the only insect capable of harboring the diseases in…Read More

Natural resistance against yellow dwarf virus in wheat

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article image Common wheat (TriticumaestivumL.) is placed at the number one position among the staple foods of the world and it is the main source of calories, protein, certain vitamins and minerals. Pakistan has been divided into number of production zones and being staple diet of inhabitants, wheat occupies a central position in the agricultural of great agro-ecological areas where wheat is grown. The zoning is mainly based on cropping pattern, disease prevalence and climatological factors. Wheat…Read More

Pakistan wheat potentially facing Ug99 virus threat

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article image Paras AliSINCE PAKISTAN is vulnerable to multiple food security issues for the last several years and the authorities are still unable to come up with any effective mechanism, the Ug99 stem rust’ has recently emerged as a serious threat to wheat as it produces reddish brown flakes on this crop’s stalks ultimately reducing the per acre yield.The Ug99 was first discovered in Uganda in 1999, and spread with the wind to Iran where it was discovered two years ago, and Pakistan and India are the…Read More

Lack of crop zoning linked with cotton virus attack

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article image STAFF REPORT IBD: The repeated attacks of cotton leaf curl virus (CLCV) on farms in Pakistan has been linked to the lack of implementation of crop zone management laws thus leading to a gradual increase in intensity of virus attack on the cotton crop."The setting up of new sugar mills and doubling of capacity of running mills covering more areas under sugarcane crop and increased humidity in adjacent localities are regularly creating a favourable environment for virus attack on cotton crop…Read More