​​Morphological and Chemical Components of Resistance to Pod Borer, Helicoverpa armigera (Hübner) in Chickpea Germplasm

2021 ◽  
Author(s):  
S.D. Divija ◽  
Meena Agnihotri ◽  
M.S. Sai Reddy
Keyword(s):  
Helicoverpa Armigera ◽  
Cost Effective ◽  
Chemical Components ◽  
Limiting Factor ◽  
Great Economic Importance ◽  
Pod Borer ◽  
Helicoverpa Armígera ◽  
Field And Laboratory Conditions ◽  
Environmentally Friendly Approach ◽  
Helicoverpa Armigera Hubner

Background: Chickpea pod borer (CPB), Helicoverpa armigera (Hübner) is a pest of great economic importance in chickpea and it is the major limiting factor in chickpea cultivation. In severe cases it causes about 75 to 90 per cent losses in seed yield, despite the application of insecticides. Therefore, development of a cost effective and an environmentally friendly approach like improvement of cultivars resistant to H. armigera is necessary for management of the pest in chickpea. Methods: Morphological and chemical components of host plant resistance in chickpea germplasm was assessed under field and laboratory conditions against pod borer, Helicoverpa armigera at hotspot Pantnagar, during rabi, 2017-18 using standard protocols. Result: Observations recorded revealed that germplasm ICC4484 recorded highest phenol (4.73 mg/g) and flavonoid (0.19 mg/g) content, whereas the maximum tannin, protein and trypsin content were recorded in ICC6263 (1.33 mg/g), ICC3137 (19.41 g/100 g of seeds) and ICC372351 (31.83 IU/g), respectively. Germplasm with higher phenol, tannin, flavonoid and trypsin inhibitor content recorded minimum per cent pod damage. Phenol, tannin, flavonoid, trypsin content showed negative correlation, while protein content showed positive correlation with the per cent pod damage by H. armigera.

Comparative Efficacy of Various Insecticides to Control Gram Pod Borer (Helicoverpa armigera Hubner) on Chickpea

2003 ◽  
Vol 2 (4) ◽  
pp. 403-405 ◽  
Author(s):  
Abdul Rashid ◽  
Habib Ahmad Saeed . ◽  
Lal Hussain Akhtar . ◽  
Sabir Zameer Siddiqi . ◽  
Muhammad Arshad .
Keyword(s):  
Helicoverpa Armigera ◽  
Comparative Efficacy ◽  
Pod Borer ◽  
Helicoverpa Armígera ◽  
Helicoverpa Armigera Hubner

scholarly journals Evaluation of Indoxacarb 14.5 SC against Green Gram Pod Borer, Helicoverpa armigera (Hubner) Management through Front Line Demonstrations

2021 ◽  
Author(s):  
Mamta Devi Choudhary ◽  
Arjun Singh Jat ◽  
Sumitra Devi Bamboriya ◽  
Anop kumari
Keyword(s):  
Broad Spectrum ◽  
Helicoverpa Armigera ◽  
Foliar Application ◽  
Green Gram ◽  
Front Line ◽  
Net Return ◽  
Pod Borer ◽  
Helicoverpa Armígera ◽  
The Given ◽  
Helicoverpa Armigera Hubner

Front Line Demonstration on foliar application of broad spectrum insecticide Indoxacarb 14.5 SC for control of pod borer, Helicoverpa armigera in green gram was conducted on farmers field in Nagaur district during 2019-20. Through the demonstration of the technology, 35.1% increase in green gram production has been observed with the production of 6.35 q/ha as compared to farmer’s practice (4.7 q/ha). Under demonstrated practices farmer were advised to alternate spray of the given insecticide on appropriate time. Under demonstrated practices, farmers got maximum net return of 21,667 Rs./ha, whereas, it was 12,285 Rs./ha in farmer’s practices.

scholarly journals Management of Pod Borer (Helicoverpa armigera Hubner) Infesting Marigold (Tagetes erecta)

2017 ◽  
Vol 6 (9) ◽  
pp. 142-148
Author(s):  
Suheel Ahmad Ganai Hafeez Ahmad ◽  
Sonika Sharma Nadeya Khaliq ◽  
Thanlass Norboo Divya Chaand ◽  
Shallu Raina
Keyword(s):  
Helicoverpa Armigera ◽  
Tagetes Erecta ◽  
Pod Borer ◽  
Helicoverpa Armígera ◽  
Helicoverpa Armigera Hubner

scholarly journals Prediction of Helicoverpa armigera (Hubner) larval population using weather based forewarning model in soybean

2021 ◽  
Vol 21 (4) ◽  
pp. 494-498
Author(s):  
RAM MANOHAR PATEL ◽  
A.N. Sharma ◽  
PURUSHOTTAM SHARMA
Keyword(s):  
Helicoverpa Armigera ◽  
Training Dataset ◽  
Maximum Temperature ◽  
Validation Dataset ◽  
Larval Population ◽  
Pod Borer ◽  
Significant Difference ◽  
Helicoverpa Armígera ◽  
Predicted Values ◽  
Helicoverpa Armigera Hubner

Weekly larval populations of pod borer, Helicoverpa armigera (Hubner) collected from 20 districts of Maharashtra under Crop Pest Surveillance and Advisory Project (CROPSAP) during 2010-2015 were analyzed to work out the effect of weather variables on the incidence of this insect on soybean. The appearance of larva was observed throughout the soybean growing season, and the peak incidence was observed during third week of August to first week of September (34-35 SMW). The correlation analysis of the data revealed that larval population was significantly and positively influenced by the minimum temperature and rainfall of current week as well as previous two weeks. For the development of forewarning model, data for the period from 2010 to 2013 were used as training dataset and two year (2014-2015) data as validation dataset. The mean model used for forewarning the incidence of pod borer larval population was developed by using step-wise multiple regression analysis in polynomial form. The results of mean model revealed that the significant variables affecting the pod borer larval population in soybean were maximum temperature (current and 1st lag week), and rainfall (current week) and the model explained 48.93% variation. The pre-disposing conditions for the incidence of larvae have been worked out as maximum temperature ranging from 26.1 to 31.47 ºC and rainfall ranging from 6.63 to 141.46 mm with low or medium rainfall in previous weeks followed by high in current week. The model was validated with 2014-15 independent dataset with predicted R2 (R2 ) value 28.13%. Two sample t-test showed no Pred significant difference between observed and predicted values (p = 0.3691 > 0.05).

scholarly journals Development of an integrated management approach for pod borer, Helicoverpa armigera (Hubner) on chickpea

1970 ◽  
Vol 35 (2) ◽  
pp. 201-206 ◽  
Author(s):  
Md Altaf Hossain ◽  
Md Azizul Haque ◽  
Masum Ahmad ◽  
MZH Prodhan
Keyword(s):  
Helicoverpa Armigera ◽  
Integrated Management ◽  
Management Approach ◽  
Net Return ◽  
Formation Stage ◽  
Pod Borer ◽  
Helicoverpa Armígera ◽  
Nuclear Polyhedrosis ◽  
Helicoverpa Armigera Hubner

An experiment was conducted to develop an 1PM approach for the management of pod borer, Helicoverpa armigera (Hubner) in chickpea field. Out of seven modules studied, module 5 consisting of sequential first spray with Helicoverpa nuclear polyhedrosis viruses (HNPV) @ 500 LE/ha and second spray after seven days interval with Cypermethrin @ 1 ml/ litre gave the best protection with the lowest pod borer damage (4.62%) and provided the highest yield (2096 kg/ha) and maximum net return (Tk. 43746/ha) followed by module 3 where only RNPV was sprayed twice. But the most economic module for pod borer management was M2 where chickpea intercropped with mustard was sown on 15 November. For best protection against pod borer, the most effective 1PM module was chickpea sown on 15 November and first spraying with HNPV @ 500 LE/ha just at 100% plant pod formation stage and second spray after 7 days with Cermethrin @ 1 ml/L, ensuring higher yield and return. Keywords: Integrated management; pod borer; chickpea. DOI: 10.3329/bjar.v35i2.5882Bangladesh J. Agril. Res. 35(2) : 201-206, June 2010

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