Agricultural Research Management Information System

Home
Research Summary
Search
About Us
- ARMIS
- Brochure
Contact Us
Report
User Request
Data Input
Help
- Operation Manual
  - PDF
  - Video
- Program Area & Commodity
We have reached 37600 number of research entries at this moment.

- Logout

Research Detail

Home
Research
Detail

Germination, Seedlings Vigor and Seed Health of Rice as Affected by Seed Cleaning

Subrima Islam
Scientific officer
Farm Management Division, BRRI

Abstract/ Executive Summary:

Effect of washing and cleaning of seed on seed germination, seedling vigor,seed health and incidence of diseased seedlings of rice CV BR11 (Mukta ) were evaluated.Germination test showed that manual seed cleaning and washing with water increased germination and vigor index.Seedling emergence in seedbed was significantly higher when farmer’s seeds were manually cleaned and washed.Seed health test revealed the highest incidence of different seed borne pathogens like Bipolaris oryzae, Fuarium moniliforme, Alternaria padwickii. Aspergillus niger, A. flavus and penicillium sp. in the farmer,s saved seed. Number of diseased seedlings/m² was found to be reduced significantly when farmer’s seeds were cleaned and washed.Highest healthy seedlings were recorded in seedbed where farmer’s cleaned and washed seeds were sown.

Keywords: Seed cleaning, Germination, Vigour index, Seed borne fungi, Disease incidence

Location: Experimental field of Bangladesh Agricultural University, Mymensingh.

Start Date: 00-01-2007

End Date: 00-06-2008

Program Area: Pest Management

Commodity: Rice

Objectives:

The research work was conducted to evaluated the effect of seed cleaning and washing on germination, seedlings vigour,seed health and incidence of diseased seedlings of rice CV BR11 ( Mukta ).

Methodology:

The laboratory experiments were conducted in the seed pathology center following Completely Randomized Design (CRD) and the field experiments were conducted in the experimental field of plant pathology department of Bangladesh Agricultural University, Mymensingh following Randomized Complete Block Design (RCBD) during January, 2007 to June, 2008.Germination test was done by ISTA rules using 25 seeds per Petri dish.The seedlings vigor was determined by following the formula, where vigor index=( Mean of shoot length + Mean of root length )× Percentage of seed germination.Seeds of BR11 were collected from a farmer of phulpur upazila of Mymensingh district.The seed samples were analyzed following blotter method to detect the seed borne pathogens associated with sesds sampl.Treatments wise seeds were packed in cloth bags and soaked with water for 24 hours and then excess water was drained out and the seeds were placed under cover of gunny bag for 48 hours for sprouting.Wet seeds beds were prepared by puddling the soil.According to layout of RCD design 24 beds of 1m×1m size were prepared. Treatments wise the previously sprouted seeds were sown in the seed beds incidence of diseased seedlings were recorded at 10 and 20 days after sowing.

Source of Information: Eco-friendly Agril. j.3(8):345-348, 2010(August)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Incidence of seed borne diseases reduced significantly when farmer’s seed were cleaned and washed.

Knowledge Management: Journal