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Occurrence, Abundance and Damage Severity by Insect and Diseases Reaction in Strawberry Germplasm Under Sub Tropical Region

M. Moshiur Rahman
SSO
HRC, BARI, Gazipur 1701

M. Mizanur Rahman
Professor
Department of Horticulture, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Salna, Gazipur 1706, Bangladesh.

Abstract/ Executive Summary:

A survey was done in the experimental field of Fruit Farm, Horticulture Research Center, BARI, Gazipur during winter season of 2009 to 2010 and 2010 to 2011 for documentation of damage severity of insect pests incidence, diseases infestation and percent plant mortality of strawberry germplasm. From the study, it was observed that chaffer beetle, white fly, aphid, mites, spodoptera, and red ants attacked the strawberry and their severity varied at different strawberry germplasm. On the other hand crown rote, leaf spot and fruit rot were the major diseases found in the strawberry germplasm under subtropical reason. Among the germplasm the insect pest incidence and diseases infestation was found minimum in FA 003 and FA 004. Among the germplasm, FA 003 and FA 004 were resistant to different insect past and diseases and exhibited minimum number of plant mortality. In this point of view, these two germplasm were considered as tolerant varieties and can be use as tolerant mother plant under subtropical region.

Keywords: Damage severity, Insect, Diseases, Strawberry, Sub tropical region

Location: Gazipur

Start Date: 01-09-2009

End Date: 31-05-2011

Program Area: Pest Management

Commodity: Strawberry

Objectives:

To study and document the insect pests and diseases of strawberry and their damage severity under Bangladesh.

Methodology:

The studies were conducted at the Fruit Research Farm of Horticulture Research Centre of Bangladesh Agricultural Research Institute, Gazipur, Bangladesh during winter season of 2009-2010 and 2010-2011. Data on incidence of different insect pests species were recorded by using absolute method that is, visual searching and counting of insect species. Through number of species was the simplest measure of species diversity, but due to limitation of species identification, concept was restricted to order and family level. The population dynamics of insect pests and infestation rates of diseases were recorded from randomly selected 15 plants of each plot at 10 days interval during 10 days after planting to 10 days before last harvesting. The numbers of insect pest as well as infested plants, leaves and fruits were counted described by Hossain and Ahmad (2011). Data on diseases infestation were recorded by using visual searching from infested plant describe by Akhter et al. (2011). The plants, leaves and fruits showing diseases symptoms were counted. The data on different parameters were calculated and analyzed for determining average per cent incidence of pest population as well as determining average per cent infestation of diseases. Healthy and disease free daughter plants of ‘fifteen strawberry genotypes collected from local and exotic source were considered as treatment and planted in the experiment field, the only released strawberry variety namely BARI Strawberry-1 was used as check. The experiment was laid out in a randomized complete block (RCB) design with three replications. Two year’s data of different quantitative parameters were pooled and analyzed, following RCB design using MSTAT-C program. The mean comparison was done following the Duncan’s Multiple Range Test (DMRT).

Source of Information: Pacesetter J. Agric. Res. Vol. 2(3):20-24, March 2014

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 15,000/-

Total Budget (Tk.) : 15,000/-

Achievement/Findings:

The germplasm of strawberries showed variation in insect pest and diseases infestation as well as present plant mortality. On the basis of insect pest incidence, diseases infestation and percentage plant mortality, the germplasm FA 003 and FA 004 were found to be promising under Bangladesh condition.

Knowledge Management: Journal