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National Agricultural Research Centre (NARC), Islamabad  established in 1984, is the largest research centre of the Pakistan Agricultural Research Council (PARC). NARC, with a total land area of approximately 1400 acres, is located near Rawal Lake, six kilometers south-east of Islamabad. Physical facilities in term of experimental fields, laboratories, green houses, gene bank, library/ documentation, auditorium, machinery & lab equipment repair workshops, stores, hostels, cafeteria, audio visual studios, are also available at NARC.

Journal Article

Journal article

Response of newly developed high yielding and early maturing cotton strains against population of jassid, Amrasca devastans Dist.  [2007]

Memon, A.A. (Cotton Research Station, Mirpurkhas (Pakistan)); Chang, M.S. (Cotton Research Station, Mirpurkhas (Pakistan)); Tunio, G.M. (Syngenta Pakistan Limited, Badin (Pakistan));

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A field experiment was conducted to evaluate the response of newly developed high yielding and early maturing cotton strains viz., MPS-2, MPS-4, MPS-7 and MPS-11 along with a commercial check variety CRIS-9 against the population trend of jassid. To observe the pest population of jassid on the crop, the data were recorded from appearance of the pest at weekly intervals on five randomly selected plants. The maximum average population of jassid leaf-1 was recorded on local check variety CRIS-9 followed MPS-4, MPS-7 and MPS-11, whereas the lowest average population leaf-1 was recorded on MPS-2 during the month of July. Similarly, the monthly and seasonal maximum average population of jassid leaf-1 was also recorded on local check variety CRIS-9, and the lowest average population was recorded on advanced cotton strain MPS-11 followed by MPS-7, MPS-4 and MPS-2. The pest activities increased with the growth of crop and the peak period of pest was ob served during the 2nd week of July, thereafter the pest population decreased gradually up to the month of September.

From the journal

Pakistan Journal of Agriculture, Agricultural Engineering and Veterinary Sciences (Pakistan)

ISSN : 1023-1072