In June 2012, symptoms suggestive of phytoplasma infection (little leaf and bunchy top) were noticed on tossa jute (C. olitorius) in different experimental fields of the CRIJAF research farm, Barrackpore, West Bengal, India, and the incidence of the disease varied from 5 to 20%. The infected plants ...

Citrus tristeza virus (CTV) and its vector, brown citrus aphid (BrCA) Toxoptera citricidus are widely distributed in the mandarin (Citrus reticulata) orchards of Darjeeling hills of India. The BrCA incidence upto 32.5% and severity upto 27.2% were recorded. Under field conditions, diagnosis of CTV...

A new distribution map is provided for Pigeonpea sterility mosaic virus. Unassigned virus. Hosts: pigeon pea (Cajanus cajan). Information is given on the geographical distribution in Asia (Bangladesh, India (Andhra Pradesh, Bihar, Chhattisgarh, Gujarat, Karnataka, Maharashtra, Punjab, Tamil Nadu,...

Field trials were conducted during the rabi seasons of 1993-94 and 1994-95 in Kalyani, West Bengal, India, to study the effects of insecticide treatments on the incidence of aphids and viruses in potato (cv. Kufri Badhshah). The application of granular insecticide (phorate 10G at 1.0 kg a.i./ha) to ...

Nadia, West Bengal, India was surveyed for the incidence of plant viruses and insect vectors infesting potatoes during 2001-03 to identify suitable areas for disease-free seed and ware potato production. Nymphs and adults of Myzus persicae and Aphis gossypii surpassed the threshold limit during the ...

The spatial distribution of rice tungro virus (RTV) disease on 9 rice cultivars (IR26, IR62, IR64, IR-68305-18-1, Utri Merah, Balimau Putih, T-11602, T-12180 and T-12357) was studied during the kharif (wet) seasons of 1995 and 1996 at Bidhan Chandra Krishi Viswavidyalaya Research Farm, in West...