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Germination, Shoot Length and Root Length of Yard Long Bean Influenced by Aqueous Extract of Few Ornamental Plants

M. M. Rahman
Department of Agroforestry and Environment, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

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

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

M. J. Rahman
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

M. K. Hasan
Department of Soil Science, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted to study the effects of aqueous extracts of few ornamental plants viz. China box (Murraya exotica), Indian Medlar (Mimusops elengi), Parrot tree (Butea monosperma) Mussaenda (Mussaenda erythrephytta), Mast tree (Polyalthia longifolia) and Swamp tree (Thuja occidentalis) on the germination and growth of Yard long bean (Vigna unguiculata). Aqueous extract of Parrot tree plant extract showed the highest percentage of germination, shoot length and root length of yard long bean and lowest performance was found on aqueous extract of Indian Medllar. So, it may be concluded that aqueous extract of Parrot tree is good for germination, growth and development of yard long bean.

Keywords: Aqueous extract, Germination, Shoot Length, Root Length, Yard Long Bean

Location: Department of Agricultural Chemistry, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh.

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Yard long bean

Objectives:

The present study was conducted to investigate the effect of aqueous extracts of six ornamental plants on germination shoot length and root length growth of Yard long bean (Vigna unguiculata).

Methodology:

The experiment was conducted at research laboratory, Department of Agricultural Chemistry, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh. Six ornamental plants namely China box (Murraya exotica), Indian Medlar (Mimusops elengi), Parrot tree (Butea monosperma) Mussaenda (Mussaenda erythrephytta), Mast tree (Polyalthia longifolia) and Swamp tree (Thuja occidentalis) were selected to study the effects on the growth of Yard long bean (Vigna unguiculata) Preparation of aqueous extracts- 200 gm of fresh and clean leaves were taken and cut into smaller pieces, it was then blended by using blender and was taken in a 1000 ml reagent bottle and 800ml of water was added to it. It was then kept for 72 hours at room temperature of 18±2°C and relative humidity of 75±5% with regular interval of stirring. After 72 hours the aqueous slurry was filtered through Whatman filter paper No.1 and was taken in another 500 ml bottle. The filtrates of individual plant extract were stored and used for treating the seeds of vegetable crops along with water as a control and other comprehensive study. ?Treatments- There were seven treatments. These are; T₁ = Aqueous extract of china box; T₂ = Aqueous extract of Indian Medlar T₃ = Aqueous extract of Parrot tree; T₄ = Aqueous extract of Mussaenda T₅ = Aqueous extract of Mast tree; T₆ = Aqueous extract of Swamp cedar Tc = Water or control. ?Set up for the investigation of Pea Seed For the investigation of germination percentage, growth and development of vegetable seeds, fifteen ml of each aqueous extract was put in each pot. In control, only distilled water was used and amount of distilled water was also same. Then twenty five seeds of each vegetable crop were kept in each pot and each treatment was replicated into three times. The pot were kept in natural diffused light under laboratory conditions at 18±2°C temperature and relative humidity of 75±5% after placing. 5 ml of water was used per day per pot to keep constant moisture (Dubey, 1973). In control, only water was added if necessary per day per pot. Data collection and analysis- After setting the experiment, the germination percentages, shoot length, root length and completion of germination were recorded. Effects of different treatments on morphology of seedlings were also recorded. The data were subjected to analyze statistically using analysis of variance (ANOVA) technique by MSTST-C (Gomez and Gomez, 1984) and means were compared by the DMRT method. Germination test:

Source of Information: International Journal of Biosciences | IJB |, Vol. 9, No. 6, p. 446-450, 2016

Article Link (Online Journal): http://dx.doi.org/10.12692/ijb/9.5.446-450

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The experiment was carried out to investigate the effects of aqueous extracts of few ornamental plants on germination, shoot length and root length of yard long bean. Aqueous extract of Parrot tree (T₃) plant extract showed the highest percentage of germination, shoot length and root length of yard long bean and lowest performance was found on Aqueous extract of Indian Medllar (T₂). Further research might isolate and investigate the allelochemicals for determining their potential and farm application.

Knowledge Management: Journal