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Asian Journal of Crop Science

Year: 2022 | Volume: 14 | Issue: 1 | Page No.: 1-10
DOI: 10.3923/ajcs.2022.1.10

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Authors


A.H.M. Motiur Rahman Talukder


Nadira Mokarroma


Faruque Ahmed


Imrul Mosaddek Ahmed


Mrityunjoy Biswas


Lutfun Nahar


Keywords


  • Light intensities
  • yield
  • chilli genotypes
Research Article

Shade Adaptive Responses and Yield Analysis of Chilli Genotypes to Variable Light Intensities

A.H.M. Motiur Rahman Talukder, Nadira Mokarroma, Faruque Ahmed, Imrul Mosaddek Ahmed, Mrityunjoy Biswas and Lutfun Nahar
Background and Objective: Low natural light intensity is a major limiting factor for maintaining crop productivity under intercropping, indoor and reduced irradiance system. The main goal of this study was to credentials of Chilli genotypes suitable for reduced solar radiation for achieving higher yield. Materials and Methods: The trial was conducted using RCB design including two factors viz. Chilli genotypes/varieties viz. Co-640, Co-630, Co-639, Co-637, Co-446-1 and BARI Morich 2 and were grown in three shading environments viz. control (no shading), 25% and 50% shading. The 25% and 50% shading environments were created installing the black mosquito net maintaining by single and double layer respectively above the growing media. Results: Results suggested that decreased solar radiation has drastically impacted on a drop of fruits and biomass yield, photosynthetic responses for specific genotypes/varieties excluding Co-640 and Co-639. The genotype Co-640 produced the longest fruit (7.50 cm), maximum weight of 5 fruits (23.5 g) at 50% shading condition that directly contributed in producing highest fruit yield (352.9 g/plant). The genotype Co-639 also showed the better response in producing fruit length (6.25 cm), fruit yield (260.4 g/plant) as well as physiological parameter under 50% shading condition. Shading effect caused reducing the rate of PAR absorption, photosynthesis and total CO2 conductance irrespective of all genotypes, excluding Co-639. Conclusion: Therefore, from this study it can be concluded that Chilli genotypes Co-640 and Co-639 were found suitable for cultivation at 50% shading (reduced solar radiation) condition associated with the increasing yield contributing traits, yield and physiological parameters.
Citation

How to cite this article

A.H.M. Motiur Rahman Talukder, Nadira Mokarroma, Faruque Ahmed, Imrul Mosaddek Ahmed, Mrityunjoy Biswas and Lutfun Nahar, 2022. Shade Adaptive Responses and Yield Analysis of Chilli Genotypes to Variable Light Intensities. Asian Journal of Crop Science, 14: 1-10.

DOI: 10.3923/ajcs.2022.1.10

URL: https://scialert.net/abstract/?doi=ajcs.2022.1.10

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