Control of peanut leaf rust alone or in combination with Cercospora leaf spot

Harrison, A.L. (1973) Control of peanut leaf rust alone or in combination with Cercospora leaf spot. Phytopathology , 63 (6). pp. 668-673.

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Abstract

In field trials in 1971, it was shown that rust caused by Puccinia arachidis can be a potentially serious leaf disease of groundnuts in the near absence of Cercospora arachidicola and C. personata. Losses from P. arachidis were significantly reduced by weekly applications of chlorothalonil at 1.7-1.8 l/ha, Dithane M45 (Zn + maneb) at 1.7 kg/ha, and Fungi Sperse Magi-Cal (30.5% S, 5.7% Zn, 23% organic Ca) at 9.4 l/ha to plants treated with 560 g benomyl/ha for control of Cercospora leaf spot. These fungicides and Manzate 200 (Zn + maneb) and combinations of benomyl + Manzate 200, benomyl + Manzate 200 + oil, Dithane M45 + Du-Ter (triphenyltin hydroxide) and Benlate M (commercial mix of benomyl and Manzate 200) also significantly reduced losses on plants affected with both diseases.

Item Type: Article
Additional Information: SNNigam Collection
Uncontrolled Keywords: epiphytotic, puccinia arachidis
Author Affiliation: Texas A. & M. University Plant Disease Research Station, Yoakum, USA.
Subjects: Plant Protection
Divisions: Groundnut
Depositing User: Mr Balakrishna Garadasu
Date Deposited: 14 May 2013 04:31
Last Modified: 14 May 2013 04:31
Official URL: http://dx.doi.org/10.1094/Phyto-63-668
URI: http://eprints.icrisat.ac.in/id/eprint/10439

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