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Articles by N.A. Munshi
Total Records ( 3 ) for N.A. Munshi
  Shaiesta Shah , Sahera Nasreen and N.A. Munshi
  Successful methods to control the damaging weed mold, Trichoderma harzianum (green mold) in mushroom beds are not presently known. The aim of the present study was to determine antifungal potentials of extracts of some selected botanicals against the infection of Green mold (Trichoderma harzianum) associated with the Pleurotus sp. cultivation. Eight botanicals namely Azadiracta indica, Allium sativum, Artemesia indica, Urtica dioeca, Lycopersicon esculentum, Datura stramonium, Mentha spicata and Juglans regia were evaluated in the laboratory for their efficacy against both Pleurotus mycelium and pathogen (Trichoderma harzianum), causing Green mold of mushroom. The efficiency of botanicals against Trichoderma was examined by poison food technique. The percent inhibition produced by botanicals against Trichoderma recorded in vitro, was: Azadiracta indica (34.1%), Allium sativum (28.4%), Artemesia indica (21.8%), Urtica dioeca (22.2%), Lycopersicon esculentum (17.4%), Datura stramonium (17.6%), Mentha spicata (20.8%) and Juglans regia (51.9%). Botanicals showing maximum efficacy against the pathogen and minimum inhibition against the mushroom were further evaluated against Trichoderma infection in mushroom house (in vivo test). In in vivo test, the polybags which receive Azadiracta indica show maximum mean increase in yield (32.8%) over control and exhibited minimum mean disease incidence (27.7%) than control. Ecofriendly management practice, i.e., use of botanicals was studied both in vitro and in vivo which gave better results and these practices can be economical, long lasting and free from residual side effects.
  Sajad Mohi-ud-din , F.A. Zaki , N.A. Munshi , Arif Jan and R.A. Wani
  Beauveria bassiana isolated locally from the larvae of Bombyx mori was evaluated at different concentrations viz. 1x108, 1x106, 1x104 and 1x102 spore mL-1 against white grub (Holotrichia sp.) for dose optimization of this fungus. It was observed that among these concentration 1x108 spore mL-1 was the most promising one, showing initial mortality very early and cent per cent in a shorter period of time. The mortality in general in each treatment was recorded in the order of 1x108, 1x106, 1x104 and 1x102 spore mL-1. This spore concentration viz. 1x108 of B. bassiana was tested against different stages of white grub (Holotrichia sp. ) to determine the comparative susceptibility of different stages to this fungus. It was observed that initial (56.66%) mortality occurred on 4th day and cent percent on the 10th day, respectively in case of 1st instar. The initial mortality (46.66 and 43.33%) in 2nd and 3rd instars was recorded on 4th and 6th day and 100% mortality on 12th and 16th day, respectively. These results showed that 1st stage grubs were more susceptible followed by 2nd and 3rd instar grubs.
  N.A. Munshi , Barkat Hussain , G.N. Malik , Musavir Yousuf and N. Fatima
  Fusarium pallidoroseum isolated locally from cadaver of Lymantria obfuscata was evaluated as bio-control agent against caterpillars of same pest at concentrations of 1x1010, 1x109, 1x108, 1x107, 1x106, 1x105, 1x104, 1x103, 1x102 and 1x101 spores mL-1. No mortality was observed up to 3rd day of inoculation. 1x1010 spores mL-1 was the most promising concentration as it inflicted an initial mortality of 43% on the 4th day and cent percent mortality on the 9th day. The LC50 values ranged from 1.969x103 (16th day) to 1.256x1011 (4th day). A linear positive association was observed between mortality and days of observation.
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