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Plant Extract for the Management of Brinjal Shoot and Fruit Borer (leucinodes Orbonalis Guenee)

M. I. Ashadul
Department of Entomology, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

M. A. Hussain
Scientific Officer
Bangladesh Institute of Nuclear Agriculture (BINA), Bangladesh

S. A. Shapla
Scientific Officer
Bangladesh Institute of Nuclear Agriculture (BINA), Bangladesh

H. Mehraj
The United Graduate School of Agricultural Sciences, Ehime University, 3-5-7 Tarami, Matsumaya, Ehime 790-8556, Japan

A.F.M. Jamal Uddin
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at Research Field of Sher-e-Bangla Agricultural University, Bangladesh from November 2011 to June 2012 for the management of brinjal (Singhnath) shoot and fruit borer. The experiment designed with Randomized Complete Block Design with three replications following eight treatments viz. T₁: Tamarind fruit extract, T₂: Bon kolmi leaf extract, T₃: Ata leaf extract, T₄: Neem leaf extract, T₅: Tobacco leaf extract, T₆: Mahogony seed extract, T₇: Aktara 25 WG and T₈: Control. T₄ had higher on total shoots (16.0 plant^-1), healthy shoots (15.7 plant^-1), total fruits (25.3 plant^-1), healthy fruits (23.0 plant^-1), fruits weight (2.7 kg plant^-1), healthy fruits weight (2.7 kg plant^-1) and fruit yield (36.2 t ha^-1). Lower infested shoot and fruits (0.33 and 2.3 plant^-1, respectively) and percentage (2.2 and 9.3%, respectively) were also found in T₄ while infested fruits weight and its percentage had also lower (0.25 kg plant^-1 and 9.3%, respectively) in T₄. Protection of shoot and fruit borer had higher over control (92.5 and 91.3%, respectively) and fruit yield increment over control had higher (61.7%) in T₄. Use of neem leaf extract was highly effective to reduce the shoot and fruit infestation as well as to get higher yield.

Keywords: Brinjal, plant extract, shoot and fruit borer

Location: Research Field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh

Start Date: 00-11-2011

End Date: 00-06-2012

Program Area: Pest Management

Commodity: Insects

Objectives:

To study the effect of plant extracts for the management of brinjal (Singhnath) shoot and fruit borer (Leucinodes orbonalis Guenee)

Methodology:

An experiment was conducted at the research field in Sher-e-Bangla Agricultural University, Dhaka-1207, during the period from November 2011 to June 2012 to study on the use of plant extract for the management of brinjal shoot and fruit borer. The seed of Singhnath variety was collected from BARI, Joydebpur, Gazipur. The experiment comprised with eight treatments of plant extract viz. T₁: Tamarind fruit extract @ 50 g L^-1 water (SN Tamarindus indica); T₂: Bon kolmi leaf extract @ 50 g L^-1 water (SN: Ipomoea carnea); T₃: Ata leaf extract @ 50 g L^-1 water (SN: Annona reticulata); T₄ : Neem leaf extract @ 50 g L^-1 water (SN: Azadirachta indica); T₅ : Tobacco leaf extract @ 50 g L^-1 water (SN: Nicotiana tabacum); T₆: Mahogony seed extract @ 50 g L^-1 water (SN: Swietenia mahagoni); T₇: Aktara 25 WG @ 2 g L and T₈: Control following Randomized Complete Block Design (RCBD) with three replications. The size of each unit plot was 3.0 m × 5.0 m; line to line and plot to plot distances were 1.0 m and 1.0 m respectively while plant to plant distance was 75 cm. Seedlings were raised in plastic trays in the net house of the Department of Plant Pathology, SAU with proper care and management to ensure disease free healthy growth of seedlings. For raising seedlings, soil was prepared by mixing soil with sand and well decomposed cow dung in the proportion of 2:1:1. Formalin solution (5%) was mixed with heaped soil uniformly @ 200 ml/cft. The soil heap was covered with black polythene sheet for 48 hours. The heap was uncovered and soil was spaded to remove the fume of formalin. After seven days of soil treatment, sterilized plastic trays (35 cm × 25 cm) were filled with sterilized soil. Cowdung (10000 kg ha^-1), oilcake (500 kg ha^-1), urea (140 kg ha^-1), TSP (120 kg ha^-1) and MP (100 kg ha^-1) were applied and dose were calculated on the basis of fertilizer Recommendation Guide of BARC. Entire cowdung, oilcake, TSP and half dose of MP were applied during land preparation. Urea and remaining half dose of MP were applied in the installments as side dressing. Fifteen healthy seedlings were transplanted in each plot. Data were collected on total number of shoots, number of healthy shoots, number of infested shoots, percentage of infested shoot, total number of fruits, number of healthy fruit, number of infested fruits, percentage of infested fruit, percent protection of fruit over control. Collected data were analyzed statistically using MSTAT-C was tested by Least Significant Differences (LSD) test 5 % levels of probability.

Source of Information: Am-Euras. J. Agric. & Environ. Sci., 14 (12): 1409-1414, (2014)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Neem leaf extract @ 50 g L^-1 water showed superior performance to manage brinjal shoot and fruit borer among all applied plant extract treatments. The maximum healthy shoots and fruits as well as higher yield of brinjal were also obtained in Neem leaf extract @ 50 g L^-1whereas control treatment always showed least performance among the studied all traits. Finally, it could be concluded that use of Neem leaf extract @ 50 g L^-1water would be highly effective to reduce the shoot and fruit infestation as well as to get higher yield of brinjal than that of other studied plant extract treatments.

Knowledge Management: Journal