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Title: <b>Management of root knot nematode Meloidogyne incognita on tomato with botanicals</b>
Authors: Saravanapriya, B
Sivakumar, M
Keywords: Root knot nematode
<i style="">Meloidogyne incognita</i>
<i style="">Calotropis gigantea</i>
Issue Date: Jun-2005
Publisher: CSIR
Series/Report no.: <b style="">Int. cl.<sup>7</sup>― </b>A01N 65/00
Abstract: A field experiment was conducted for the management of <i style="">Meloidogyne incognita</i> infecting tomato with five botanicals, viz. leaves of <b style=""><i style="">Calotropis gigantea </i>(Linn.) R. Br.<i style=""> ex </i>Ait.<i style=""> </i>,<i style=""> Tagetes erecta </i>Linn.</b><i style=""> </i>and  <b style=""><i style="">Azadirachta indica </i>A. Juss.</b><i style=""> </i>; seeds of <b style=""><i style="">Citrullus lanatus </i>( Thunb.) Matsumura & Nakai</b><i style=""> </i>and <b style=""><i style="">Areca catechu </i>Linn.</b><i style=""> </i>Results showed statistically significant increase in both seed germination as well as seedling establishment in all the treatments when compared with control. Seed treatment with dry powder of <b style=""><i style="">C. gigantea</i></b><i style=""> </i>leaves gave the highest germination (98.0%) and high percentage of established seedlings (99.6%). Root dip treatment with leaf extract of <b style=""><i style="">C. gigantea</i></b><i style=""> </i>resulted in significant reduction of the soil nematode population at 45 days after transplanting and at harvest (87.3% and 90.0%, respectively) and lowest gall index (1.7) with increase in fruit yield, 23.9%.
Description: 158-161
ISSN: 0975-1092 (Online); 0972-592X (Print)
Appears in Collections:NPR Vol.4(3) [May-June 2005]

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