Effects of Soil Solarization on Nematodes Parasitic to Chickpea and Pigeonpea

    Sharma, S B and Nene, Y L (1990) Effects of Soil Solarization on Nematodes Parasitic to Chickpea and Pigeonpea. Journal of Nematology , 22 (4S). pp. 658-664. ISSN 0022-300X

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    Abstract

    Solarization by covering the soil with transparent polyethylene sheets during the summer months (April, May, June) in 1984 and 1985 significantly (P = 0.01) reduced the population densities of nematodes (Heterodera cajani, Rotylenchulus reniformis, Helicotylenchus retusus, Pratylenchus sp., and Tylenchorhynchus sp.) parasitic to chickpea and pigeonpea. Population density reductions of 93% of Heterodera cajani eggs and juveniles, 99% ofHelicotylenchus retusus, 98% ofPratylenchus sp., and 100% ofR. reniformis were achieved by solarization in 1984. Irrigation before covering soil with polyethylene improved (P = 0.01) the effects of solarization in reducing the population densities of Heterodera cajani. Similar trends in population density reductions were observed in 1985, but the solarization effects were not the same. Nematode population reductions in the 1984-85 season were evident until near crop harvest, but in the 1985-86 season the effects on nematode populations were not as great and did not last until harvest. Factors such as rains during the solarization, duration of solarization, and sunshine hours may have influenced the efficacy of solarization. Solarization for two seasons reduced the population densities each year about the same as single season solarization, and residual effects of solarization on nematode populations did not last for more than a crop season.

    Item Type: Article
    Divisions: UNSPECIFIED
    CRP: UNSPECIFIED
    Subjects: Mandate crops > Chickpea
    Mandate crops > Pigeonpea
    Depositing User: Users 6 not found.
    Date Deposited: 07 Oct 2011 08:49
    Last Modified: 07 Oct 2011 08:53
    URI: http://oar.icrisat.org/id/eprint/2063
    Official URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC261910...
    Projects: UNSPECIFIED
    Funders: UNSPECIFIED
    Acknowledgement: UNSPECIFIED
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