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Relative Susceptibility of Some Wheat Lines to the Pink Borer, Sesamia Inferens Walker (lepidoptera: Noctuidae) on Wheat

Md. Abdul Ahad
Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

M. Alamgir Hossain
Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

H. F. El Taj
Department of Entomology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Md. Anis Khan
Department of Horticulture, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

M. J. Islam
Department of Agricultural Chemistry, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

Abstract/ Executive Summary:

A field experiment was conducted to study the susceptibility of pink borer, Sesamia inferens Walker on different wheat lines during 1992-93 at the Wheat Research Center, Dinajpur, Bangladesh. The susceptibility of pink borer was recorded only at heading or panicle initiation stage of the wheat crops. The lines BAW-743 and BAW 769 out of the 28 tested lines were found promising to pink borer tolerance and yield.

Keywords: Susceptibility, Wheat lines, Sesamia inferens

Location: Wheat Research Center, Dinajpur, Bangladesh

Start Date: 00-00-1992

End Date: 00-00-1993

Program Area: Pest Management

Commodity: Wheat, Insects

Objectives:

To find tolerant wheat lines against borer infestations.

Methodology:

The field experiment was conducted at the Wheat Research Center Farm, Dinajpur, Bangladesh during 1992-’93 with 28 wheat lines: BAW-728, BAW-733, BAW-735, BAW-736, BAW-737, BAW-743, BAW-744, BAW-748, BAW-750, BAW-755, BAW-756, BAW-761, BAW-762, BAW-769, BAW-771, BAW-772, BAW-773, BAW-774, BAW-776, BAW-777, BAW-778, BAW-780, BAW-781, BAW-785, BAW-789, BAW-790, BAW-794 and BAW-795. The cultivated variety Kanchan was used as a check. The experiment was laid out in Randomized Complete Block Design (RCBD) having plot size of 5X2 m² and plot to plot distance was 60 cm. Wheat seeds were sown @ 10 lines plot^-1, the distances between rows were 20 and 5cm within the rows. Fertilizers were applied at the rate of 222 kg urea (100 kg N₂), 135 kg TSP (60 kg P₂O₅), 67.6 kg MP (40 kg K₂O) and 110 kg gypsum (20 kg) per hectare. During experimental period pesticides were not applied and necessary intercultural operations were done. Pink borer infestation rates were assessed by weekly counting of dead hearts and/or white heads in each plot. Observations started from 15 days after seed sowing and continued up to three months. The data on infestation and yield of tested wheat lines were analyzed statistically and mean differences were separated by DMRT. The percentage data were transformed by square root transformation before statistical analysis.

Source of Information: Asian Journal of Plant Sciences, 1(4): 405-406, 2002, ISSN 1682-3974

Article Link (Online Journal): DOI: 10.3923/ajps.2002.405.406 URL: http://scialert.net/abstract/?doi=ajps.2002.405.406

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The results indicated lowest susceptibility in the line BAW-743 and BAW-769. But the yield of BAW-769 was greater than the check variety, Kanchan. The yield of BAU-743 was also statistically identical to it. So, these two lines may be introduced.

Knowledge Management: Journal