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Presence of Panagrolaimus sp. (Nematoda: Panagrolaimidae) in seeds of pearl millet (Pennisetum americanum (L.) Leeke)

Presence of Panagrolaimus sp. (Nematoda: Panagrolaimidae) in seeds of pearl millet (Pennisetum... 236 SHORT COMMUNICATIONS S. D. PANCHBHAI, B. K. VARMA and CH. RAVINDER REDDY1): Presence of Panagrolaimus sp. (Nematoda: Panagrolaimidae) in seeds of pearl millet (Pennisetum americanum (L.) Leeke)2). During routine phytosanitary examination of pearl millet seeds at the Plant Quarantine Unit of the International Crops Research Institute for the Semi- Arid Tropics (ICRISAT), Patancheru, Andhra Pradesh, India, we discovered a common soil nematode belonging to the genus Panagrolaimus inside seeds of some of the breeding lines. To date Panagrolaimus spp. have been reported as free living microphagous nematodes, occurring in soil and fresh water (Goodey, 1963), as dyssaprobes (Paramonov, 1962) occurring in roots, stems and leaves also in spikelets (Baranovskaya, 1958) and in rice grains (Panwar & Rao, 1977). Some are endoparasites of insects (Poinar, 1972; Poinar & . Geetha Bai, 1979). This is the first record of a seedborne nematode in pearl millet seeds which is significant in plant quarantine terms. Nematode-infested seeds are elongated, with a longitudinal fissure approx- imately 2/3 the length of one side. There is a small slit on the micropyle of the hilum region (Fig. 1). Infested seeds are shrivelled, dark grey or greyish-black and weigh less than healthy seeds; the average http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nematologica Brill

Presence of Panagrolaimus sp. (Nematoda: Panagrolaimidae) in seeds of pearl millet (Pennisetum americanum (L.) Leeke)

Nematologica , Volume 32 (2): 2 – Jan 1, 1986

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2596
eISSN
1875-2926
DOI
10.1163/187529286X00219
Publisher site
See Article on Publisher Site

Abstract

236 SHORT COMMUNICATIONS S. D. PANCHBHAI, B. K. VARMA and CH. RAVINDER REDDY1): Presence of Panagrolaimus sp. (Nematoda: Panagrolaimidae) in seeds of pearl millet (Pennisetum americanum (L.) Leeke)2). During routine phytosanitary examination of pearl millet seeds at the Plant Quarantine Unit of the International Crops Research Institute for the Semi- Arid Tropics (ICRISAT), Patancheru, Andhra Pradesh, India, we discovered a common soil nematode belonging to the genus Panagrolaimus inside seeds of some of the breeding lines. To date Panagrolaimus spp. have been reported as free living microphagous nematodes, occurring in soil and fresh water (Goodey, 1963), as dyssaprobes (Paramonov, 1962) occurring in roots, stems and leaves also in spikelets (Baranovskaya, 1958) and in rice grains (Panwar & Rao, 1977). Some are endoparasites of insects (Poinar, 1972; Poinar & . Geetha Bai, 1979). This is the first record of a seedborne nematode in pearl millet seeds which is significant in plant quarantine terms. Nematode-infested seeds are elongated, with a longitudinal fissure approx- imately 2/3 the length of one side. There is a small slit on the micropyle of the hilum region (Fig. 1). Infested seeds are shrivelled, dark grey or greyish-black and weigh less than healthy seeds; the average

Journal

NematologicaBrill

Published: Jan 1, 1986

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