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Effect of Plant Population Densities on the Severity of Late Leaf Spot and Rust of Groundnut

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Relation http://oar.icrisat.org/4843/
http://www.ppj-online.org/archive.php?a=dv&id=195&vol=18&no=5&cu=
 
Title Effect of Plant Population Densities on the Severity of Late Leaf Spot and Rust of Groundnut
 
Creator Pande, S
Rao, J N
 
Subject Groundnut
 
Description The effect of five plant population densities [5 (D1), 10
(D2), 20 (D3), 30 (D4), and 40 (D5) plants/m2] of four
groundnut cultivars [ICGV 86699, ICG (FDRS) 10,
ICGS 11 and TMV 2] and fungicide application
(Kavach, chlorothalonil) to manage late leaf spot (LLS)
and rust were studied in a field experiment during the
1995 and 1996 rainy seasons. LLS and rust severities
were low in fungicide sprayed plots in all the cultivars
irrespective of plant densities. Severities of LLS and
rust, and percentage defoliation caused by LLS were
significantly more in higher plant densities (D4, D5) than
in lower plant densities (D1, D2, D3) in fungicide sprayed
and unsprayed plots in all the cultivars. All the cultivars
gave significantly higher haulm and pod yields in
fungicide sprayed plots than in unsprayed plots. Haulm
and pod yields were significantly higher in higher plant
densities than in lower plant densities. A combination of
higher plant densities (D4, D5) and fungicide protection
against LLS and rust gave maximum yield.
 
Publisher Korean Society of Plant Pathology
 
Date 2002
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://oar.icrisat.org/4843/1/Effect%20of%20plant%20population%20densities%20on%20the%20severity%20of%20late%20leaf%20spot%20and%20rust%20of%20groundnut.pdf
Pande, S and Rao, J N (2002) Effect of Plant Population Densities on the Severity of Late Leaf Spot and Rust of Groundnut. Plant Pathology Journal , 18 (5). pp. 271-278. ISSN 1098-5530