Effect of different light on wheat (Triticum aestivum L) growth and role of phytochrome

Biotechnology and Bioprocessing Pub Date : 2020-10-28 DOI:10.31579/2766-2314/001

K. Iqbal

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Abstract

Among the various naturally occurring abiotic factors regulating plant development, different types of light play an important role in them. Photosynthesis, photoperiodism, and photo morphogenesis. In this trial the effects of different colors of light on (seed) germination, phytochrome conversion, length of seedling, biomass production in wheat varieties Shalkot and Tandojam. The rate of germination data indicates white 96%, Red 100%, far-red 95%, Blue 95%, and dark 64%, in Shalkot. In Tandojam rate of germination 94% White, 93% red, 82% far red, 92% blue, and 50% dark, were observed. Root and shoot length were higher in Shalkot under white light. Difference between dry and fresh weight in Shalkot under white, red, far-red, blue, dark, 1.66g, 0.94g, 0.98g, 0.97g, 0.6g, respectively. In Tandojam difference between dry and fresh weight observed under white, red, far-red, blue, dark, 1.48g, 0.92g, 0.70g, 0.97g, 0.4g respectively. By using bioinformatics tools identified some light-harvesting genes in wheat (Triticum aestivum) by using model plant Arabidopsis thaliana. The identified light-harvesting genes include cl02879, cl25816, cl33336, cl31857, cl28913.

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不同光照对小麦生长的影响及光敏色素的作用

在调节植物发育的多种自然非生物因子中，不同类型的光在其中起着重要作用。光合作用、光周期和光形态发生。本试验研究了不同颜色光对小麦品种夏洛特和坦多雅姆种子萌发、光敏色素转化、幼苗长度和生物量的影响。沙尔科特的发芽率为白色96%，红色100%，远红色95%，蓝色95%，深色64%。白籽萌发率为94%，红籽萌发率为93%，远红籽萌发率为82%，蓝籽萌发率为92%，深红籽萌发率为50%。白光下沙尔克特的根和茎长较高。干重与鲜重之差分别为白色、红色、远红色、蓝色、深色、1.66g、0.94g、0.98g、0.97g、0.6g。白、红、远红、蓝、暗分别为1.48g、0.92g、0.70g、0.97g、0.4g。利用生物信息学工具，以拟南芥为模型植物，鉴定小麦(Triticum aestivum)的部分集光基因。所鉴定的光收集基因包括cl02879、cl25816、cl33336、cl31857、cl28913。

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Biotechnology and Bioprocessing

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