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Allelopathic Effects of Eucalyptus Camaldulensis on Growth, Yield and Yield Contributing Character of Mungbean

Md. Sohrab Hossain
Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Md. Shahadot Hossan Selim
Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Most. Mohoshena Aktar
Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Aurun Kanti Roy Shiton
Department of Plant Pathology, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Md. Mominur Rahman
Department of Agronomy, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Abstract/ Executive Summary:

Selection of suitable cultivar under agroforestry systems is crucial to sustain the productivity of a crop. Therefore, an experiment was conducted at Agronomy Research field, HSTU, Dinajpur during March to May 2017 to determine the allelopathic effect of eucalyptus leaf extract (0, 5, 10, 15 and 20% eucalyptus leaf extract) on yield and yield attributes of Mungbean variety (BARI Mung-3, BARI Mung-4, BARI Mung-5 and BARI Mung-6). Most of the growth parameters viz., plant height, branches plant^-1, fresh and dry weight of leaf, stem, root performed better at control condition whereas decreased with increasing leaf extract concentration. Similar result found in yield and yield attributing characters (number of pods plant^-1, pod length, number of seeds pod^-1, 1000 seed weight, yield plant^-1). BARI Mung-5 performed better with eucalyptus leaf extract than the other variety.

Keywords: Eucalyptus, Allelopathy, Mungbean, Yield traits

Location: Agronomy Research field, Hajee Mohammad Danesh Science and Technology University, Dinajpur

Start Date: 00-03-2017

End Date: 00-05-2017

Program Area: Crop-Soil-Water Management

Commodity: Mungbean

Objectives:

To determine the allelopathic effect of eucalyptus leaf extract on yield and yield attributes of Mungbean variety.

Methodology:

The experiment was conducted at Agronomy Research field, HSTU, Dinajpur during March to May 2017. The leaves of E. camaldulensis L. were collected from alongside the road in the Faculty of Agriculture, HSTU, Dinajpur. These leaves were washed thoroughly and sun-dried for two weeks and stored at room temperature. Good quality seeds of 4 mungbean varieties (BARI Mung-3, BARI Mung-4, BARI Mung-5 and BARI Mung-6) were collected from BARI, Gazipur. Twenty-five seeds of each variety were sown on plastic glasses. The experiment was laid out in CRD design with three replication. The leaves were ground/powdered and then soaked in distilled water in a ratio of 1:20 and kept for 24 hours. Then the extract was filtrated and designated as stock solution of 100% concentration. From this stock solution, required concentrations viz., 5, 10, 15 and 20% were prepared by diluting stock solution with distilled water and the control contained only distilled water. The data were recorded on plant height, branches plant^-1, fresh and dry weight (leaf, stem, root), number of pods plant^-1, pod length, number of seeds pod^-1, 1000 seed weight. The data recorded were statistically analyzed and significant means were separated by using Least Significant Difference Test.

Source of Information: Asian J. Crop. Soil Plan. Nutri. | Volume 02, Issue 01, 37-43 | January 2020

Article Link (Online Journal): https://doi.org/10.18801/ajcsp.020120.06

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present investigation revealed that aqueous extract of Eucalyptus camaldulensis at various concentration levels affects the yield and yield attributes of mungbean. The longest shoot length, root length and highest number of branch plant^-1, shoot fresh weight, shoot dry weight, root fresh weight, root dry weight, leaf fresh weight, leaf dry weight, number of pods plant^-1, seeds number plant^-1, seed weight plant^-1 and 1000-seed weight were obtained from the control condition. On the other hand the shortest shoot length, root length and minimum number of branch plant^-1, shoot fresh weight, shoot dry weight, root fresh weight, root dry weight, leaf fresh weight, leaf dry weight and minimum yield contributing characters were obtained with 20 % solution treated plants. In case of yield of mungbean BARI Mung-5 showed the highest yield (3.48 g) plant^-1 at control condition. At 20 % level BARI Mung-5 showed the highest yield (0.50 g) plant^-1, whereas the BARI Mung-3 provided the lowest yield (0.26 g) plant^-1. The results of this study revealed that eucalyptus leaf extract inhibited the mungbean germination, growth and development. It could be concluded that BARI Mung-5 was the best genotype in allelopathic condition than other genotype (i.e. BARI Mung-3 BARI Mung-4 and BARI Mung-6). The other conclusion is that, mungbean are incompatible with Eucalypts in agro-forestry systems.

Knowledge Management: Journal