Management of Alternaria leaf blight of groundnut caused by Alternaria alternata
- 7 Downloads
Groundnut (Arachis hypogaea L.) leaf blight caused by Alternaria alternata (Fr.) Keissler was observed in South Gujarat region during the year 2015–2016 in both the seasons summer and kharif. The associated pathogen was identified. Five bio agents tested by dual culture technique and nine fungicides were tested at different concentrations (250, 500, 1000 ppm) by poison food technique in invitro condition. Trichoderma viride was found most effective in inhibiting the mycelial growth of Alternaria alternata followed by T. harzianum. In case of fungicides propiconazole and hexaconazole (250 ppm) showed cent per cent growth inhibition, tebuconazole and difenconazole + azoxyistrobulin gave 100% growth inhibition at 500 ppm concentration. Among these four fungicides and two bio-agents which were most effective under in vitro condition were tested in field condition and recorded the disease severity and pod yield. Hexaconazole gave maximum disease control (52.44%) followed by propiconazole and tebuconazole. Highest pod yield (1783 kg/ha) was recorded in tebuconazole followed by hexaconazole (1623 kg/ha) with highest haulm yield (5090 kg/ha) in Kharif season. Whereas in Summer season hexaconazole also gave maximum disease control (58.69%) followed by propiconazole and tebuconazole. Highest pod (2767 kg/ha) and haulm yield (8749 kg/ha) was recorded in hexaconazole followed by propiconazole has gave 2662 and 8532 kg/ha pod and haulm yield respectively. Moreover Hexaconazole was found superior to all the tested fungicides as well as bio-agents during both the seasons in relation to reduction of Alternaria leaf blight disease severity of groundnut and gave highest pod and haulm yield kg/ha.
KeywordsGroundnut Alternaria alternata Leaf blight Percent Disease Index Bio-agents Fungicides
We are grateful to Dr. Vipul P. Patel, Associate Research Scientist, Regional Rice Research Station, N.A.U., Vyara, for providing necessary facilities required during this research work. We also thank to Dr. V.A. Solanki, Professor and Head, Dept. of Plant Pathology, N.M. College of Agriculture, Navsari, for providing technical guidance during research program.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
This article does not contain any studies on human being or animals by any of the authors.
- Anonymous (2017) FAS/USDA classification, plants database, Natural Resources Conservation ServiceGoogle Scholar
- Anonymous (2017) Ministry of Agriculture, Govt. of IndiaGoogle Scholar
- Balasubramanian R (1979) A new type of Alternariosis in Arachis hypogea L. Curr Sci 48(2):76–77Google Scholar
- Bedi PS, Singh JP (1972) Leaf blight of Rose in Punjab (A. alternata). Indian Phytopath 25(4):534–539Google Scholar
- Bhaskar PS (2012) Symptomology, disease development and management of leaf blight (A. alternata (Fr.) Keissler) of groundnut. M.Sc thises submitted by Junagadh Agricultural University Google Scholar
- Kapadiya HJ (2017) Management of alternaria leaf blight of groundnut through fungicides. Int J Chem Stud 5(6):694–696Google Scholar
- Keissler K (1912) ZurKenntnis der Pilzflora Krains. Beiheftezum Botanischen Zentral blatt 29:395–440Google Scholar
- Kumar V, Lukose C, Bagwan NB, Koradia VG, Padavi RD (2012) Occurrence of Alternaria leaf blight of groundnut in Gujarat and reaction of some genotypes against the disease. Indian Phytopath 65(1):25–30Google Scholar
- Mamatha MG, Yashoda RH, Srikant K (2006) Screening of genotypes and effect of fungicides against leaf blight of turmeric. Indian J Crop Sci 1(1–2):158–160Google Scholar
- Muthukumar A, Venktesh A (2013) A new recored of leaf blight of ribbon plant caused by Alternaria alternata in India. J New Biol Rep 2(3):228–230Google Scholar
- Nallathambi P, Thakore BBL (2002) Efficacy of Trichoderma isolate against fruit rot of pathogen (Alternaria alternata) in Ber. J Mycol Pl Pathol 32(2):269Google Scholar
- Narain U, Chauhan LS, Swarup J (1987) Occurrence of two foliar disease of groundnut—new Uttar Pradesh. Farm Sci J 2(2):202–203Google Scholar
- Nees Von Ensenbeck CG (1816) Das system der pilze and schwamme pp 72Google Scholar
- Pangavhane CP, Solanky KU (2001) Antagonistic effect of some bioagents against Alternaria cyamopsidis under laboratory condition causing leaf spot and leaf blight in cluster bean. J Mycol Pl Pathol 31(1):114Google Scholar
- Rajput RB, Solanky KU, Prajapti VP, Pawar DM, Suradkar SR (2013) Effect of fungal and bacterial bioagents against Alternaria alternata (Fr.) Keissler in vitro condition. Bioscan 8(2):627–629Google Scholar
- Sanjeev P, Jakatimath RK, Mesta IB, Biradar SK, Mushrif Ajjappalavar PS (2017) In vitro evaluation of fungicides, botanicles and bio-agents against Alternaria alternata causal agent of fruit rot of brinjal. Int J Curr Microbiol App Sci 6(5):495–504. https://doi.org/10.20546/ijcmas.2017.605.058 CrossRefGoogle Scholar
- Schmitz H (1930) Poisoned food technique, 2nd edn. Industry of Engineering Chemical, London, pp 333–361Google Scholar
- Singh K, Singh K (2003) Evaluation of chemical against Alternaria leaf spot of Brinjal. Ann Pl Prot Sci 11(2):394–395Google Scholar
- Subrahmanyam P, Mc Donald D, Siddaramaih AL, Hegde RK (1981) Leaf spot and veinal necrosis diseases of groundnut in India caused by Alternaria alternata. FAO Plant Prot Bull 29:74–76Google Scholar
- Tagaram N, Rani AS, Amballa H, Reddy BN (2015) In vito evaluation of Trichoderma viride and Trichoderma harzianum for its efficacy against Alternaria alternata, the leaf spot pathogen on senna plant. J Pharm Biol Sci 10(6):145–147Google Scholar
- Thaware DS, Fugro PA, Jadav YT, Magar SV, Karande RA (2010) In vitro evaluation of different fungicides, plant extracts and bioagents against Alternaria alternata (Fr.) Keissler causimg leaf blight of cowpea. Int J Plant Prot 3(2):356–360Google Scholar
- Vyas SC, Shastry PP, Shukla BN, Varma RK (1985) Two new leaf blight diseases of groundnut. FAO Plant Pro Bull 33:121–122Google Scholar