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RELATIONSHIP BETWEEN INOCULUM DENSITY OF MELOIDOGYNE GRAMINICOLA, GROWTH OF RICE SEEDLINGS AND DEVELOPMENT OF THE NEMATODE

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dc.contributor.author M.H. SOOMRO
dc.contributor.author N.G.M. HAGUE
dc.date.accessioned 2023-03-06T07:56:37Z
dc.date.available 2023-03-06T07:56:37Z
dc.date.issued 1993-07-20
dc.identifier.citation Soomro, M. H., & Hauge, N. G. M. (1992). Relationship between inoculum density of Meloidogyne graminicola, growth of rice seedling and development of the nematode. Pakistan Journal of Nematology, 11, 103-114. en_US
dc.identifier.issn 0255-7576
dc.identifier.uri http://142.54.178.187:9060/xmlui/handle/123456789/17659
dc.description.abstract The relationship between inoculum density of Meloidogyne graminicola, growth of rice seedlings and development of the nematode was studied in a pot experiment under controlled conditions. The initial population densities of 0, 125, 250, 500, 1000, 2000, 4000 and 8000 juvenils (J2) per 9-cm diam., pot were used. The assessments were made 10 and 30 days after inoculation. Shoot and root growth of rice was adversely affected at all inoculum levels. With the increase in inoculum, there was a decrease in root growth. More pronounced growth suppression was caused by > 1000 J2 per pot inocula, and the seedlings did not tolerate even the lowest inoculum o 124J2 per pot. Initial inoculum densities positively correlated with number of galls, total nematodes in roots. Males and females, but negatively related to numbers of eggs per eggmass. Reproduction rate, i.e., final population (Pf)/initial population (Pi) decreased with an increase in the level of inoculum. en_US
dc.language.iso en en_US
dc.publisher National Nematological Research Centre (NNRC), University of Karachi en_US
dc.title RELATIONSHIP BETWEEN INOCULUM DENSITY OF MELOIDOGYNE GRAMINICOLA, GROWTH OF RICE SEEDLINGS AND DEVELOPMENT OF THE NEMATODE en_US
dc.type Article en_US


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