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Effects of planting date and dinocap applications on the control of powdery mildew and yields of seed and seed oil in coriander

Published online by Cambridge University Press:  10 November 2000

A. KALRA ,
T. N. PARAMESWARAN ,
N. S. RAVINDRA ,
M. GOPAL RAO  and
SUSHIL KUMAR
A. KALRA
Affiliation:
Central Institute of Medicinal and Aromatic Plants, Allalsandra, GKVK Post, Bangalore, 560 065 India Present address: CIMAP, P.O. CIMAP, Lucknow 226 015, India.
T. N. PARAMESWARAN
Affiliation:
Central Institute of Medicinal and Aromatic Plants, Allalsandra, GKVK Post, Bangalore, 560 065 India
N. S. RAVINDRA
Affiliation:
Central Institute of Medicinal and Aromatic Plants, Allalsandra, GKVK Post, Bangalore, 560 065 India
M. GOPAL RAO
Affiliation:
Central Institute of Medicinal and Aromatic Plants, Allalsandra, GKVK Post, Bangalore, 560 065 India
SUSHIL KUMAR
Affiliation:
Central Institute of Medicinal and Aromatic Plants, Allalsandra, GKVK Post, Bangalore, 560 065 India
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Abstract

Experiments were conducted during 1992/93 and 1993/94 to determine the effect of different planting dates and dinocap applications on control of powdery mildew and yields of early and late maturing coriander cultivars. Early plantings resulted in lower overall disease severity values for both the cultivars, but the late maturing cultivar S-33 benefited more than RD-44, an early maturing cultivar. Early planting resulted in smaller increases in yield in RD-44 but provided considerable economic gains in S-33. Further, it was possible to achieve similar levels of control of powdery mildew and yields in coriander with fewer dinocap applications by early plantings of both the cultivars. Therefore, to reduce the fungicide inputs, it is important that emphasis should be placed on early plantings for managing powdery mildew especially in environments conducive for its development.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 135 , Issue 2 , September 2000 , pp. 193 - 197
Copyright
© 2000 Cambridge University Press

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