International Journal of Statistics and Applied Mathematics
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2023, Vol. 8, Special Issue 3, Part C

Impact of osmolytes in pollen viability and yield attributes of chickpea (Cicer arietinum L.) under drought and heat environment


Author(s): Ashutosh Patre, Vinita Zhodape, PS Basu and Arti Guhey

Abstract: The present investigation entitled “Impact of osmolytes in pollen viability and yield attributes of chickpea (Cicer arietinum L.) under drought and heat environment” was conducted at Research Farm & laboratory of Department of Plant Physiology (Division of Basic Science), Indian Institute of Pulses Research (IIPR), Kalyanpur, Kanpur, Uttar Pradesh. During the Rabi season 2015-16. The chickpea (Cicer arietinum L.) various physiological traits which are essential for its adaptation to drought or water limiting environments. Among those, osmotic adjustment is considered to be one of the important traits conferring tolerance to terminal drought. The present study is aimed to investigate the role of osmotic adjustment in improving the water relation characteristics and maintaining photosynthesis under severe water stress. The 10 advanced breeding lines (ABLs) [C-7, C-8, C-9(M-51), C-11(M-86), C-16(M-55), C-19(M-93), C-20(M-39), C-21, C-214, C-235] derived from high and low osmotic adjustment (OA) were used for the experiments. For the purpose we measured reproductive stage (pollen viability) and yield attribute parameters (total biomass, pod numbers, seed yield and harvest index) which were used to determine drought and high temperature effects on chickpea. The pollen viability was tested by using 1% TTC solution. The results indicated that, a genetic difference exists in pollen viability at higher temperature in chickpea. At extreme high temperature 45 °C, only few lines such as C7, C8 and Tyson showed viable pollens. These genotypes were also identified as drought tolerant based upon osmolytes accumulation. The significant variation in yield attributing traits was observed among ABLs depending upon their ability of drought tolerance by means of osmolyte accumulation. The known drought tolerant genotypes Tyson and some of its derived ABLs showed improved yield in terms of total biomass, pod numbers, seed yield and harvest index as compared to drought sensitive lines DCP 92-3 and Kaniva.

Pages: 227-233 | Views: 161 | Downloads: 3

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How to cite this article:
Ashutosh Patre, Vinita Zhodape, PS Basu, Arti Guhey. Impact of osmolytes in pollen viability and yield attributes of chickpea (Cicer arietinum L.) under drought and heat environment. Int J Stat Appl Math 2023;8(3S):227-233.
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