INTEGRATED MANAGEMENT OF FOLIAR DISEASES OF INDIAN MUSTARD
MAN MOHAN*, NARESH MEHTA AND RAM AVTAR
Department of Plant Pathology,
CCS Haryana Agricultural University,
Hisar-125004 Haryana, India
*(e-mail : mmbaghel@gmail.com)
(Received : 4 January 2017; Accepted : 28 February 2017)
SUMMARY
Integrated management of white rust, Alternaria blight and powdery mildew of Indian mustard by
using plant extracts and fungicides as seed treatments as well as in combinations of foliar sprays against these diseases in two varieties i e., Varuna and RH 9801. The efficacy of different plant products like neem seed extract (5.0%), jamun seed extract (5.0%) and neem oil (5.0%) was tested by applying foliar sprays at different intervals for control of all these three diseases of Indian mustard. Among three botanicals, three foliar spray of neem oil (5.0%) was found most effective in controlling all the three diseases in both varieties Varuna and RH 9801. Fungicidal seed treatment with Apron SD-35 (6g/kg) followed by three sprays of mancozeb (0.2%) were applied at different intervals after date of sowing found maximum control of white rust and alternaria blight (70.3 and 82.1 per cent, respectively) in both the varieties. Whereas, the minimum disease intensity on
leaves and pods was observed 10.7 and 8.0 per cent, respectively, in treatment, where two sprays of mancozeb (0.2%) at 47 and 107 DAS followed by one spray of sulfex (0.2%) at 131 DAS, were applied with maximum disease control of 74.6 and 73.3 per cent on leaves and pods, respectively. The significant yield per plot 2.4kg/plot was observed in the treatment where three sprays of mancozeb or two sprays of mancozeb with one spray of sulfex were applied as compared to control (1.74 kg/plot). The results are very important in present context of integrated management with eco-friendly approaches of white rust, alternaria blight and powdery mildew of Indian mustard
Key words: White rust, alternaria blight, powdery mildew, botanicals, fungicides, Indian mustard