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Vol. 9, Issue 11 (2020)

Effect of foliar application of Thio-urea on morphological and physiological parameters in wheat (Triticum aestivum L.) cultivars under terminal heat conditions

Author(s):
Shubham Kumar Srivastava, Dr. A. K. Singh, Sanjay Kumar Tripathi, Vinay Kumar Yadav, Vikas Yadav, Mayank Pratap and Pradip Kumar Saini
Abstract:
The present investigation entitled “Effect of foliar application of Thio-urea on morphological and physiological parameters in wheat (Triticum aestivum L.) cultivars under terminal heat conditions” was conducted at Student Instructional Farm of CSUA&T Kanpur, during Rabi 2017-18 and 2018-19. It was designed in double-split plot design with three replications. The objective of investigation was to study the effect on foliar application of thio-urea with different doses on plant traits (morphological and physiological) of two wheat varieties under timely and late sown condition. The two conditions i.e., timely (D1) and late (D2) conditions were allocated in the main plots and two wheat varieties i.e., V1 (K-402) and V2 (K-607) in sub plot and for each five chemical treatments were applied as foliar spray at heading stages by 500ppm (T1), 750ppm (T2), 1000ppm (T3) and 1500ppm (T4) thio-urea, along with control (T0) in sub-sub plots. Results revealed that growth in terms of morphological parameters and physiological and its components varied significantly among tested wheat genotypes during both years of study timely and under late sown conditions. The significantly higher morphological traits (Days to flowering, Days to anthesis, Days to maturity) and physiological traits (Canopy temperature depression (CTD), Chlorophyll Fluorescence and Relative water content can be obtained by foliar application of 750ppm thio-urea (T2) with both conditions of i.e., timely (D1) and late (D2) of wheat crop. In this parameter represents thio-urea doses 500ppm (T1), i.e., 5.4 & 5.2 g, 750ppm (T2) i.e., 5.6 & 5.4 g, 1000ppm (T3) i.e., 5.3 & 5.1 g and 1500ppm (T4) i.e., 5.2 & 5.7 g as compare to control (T0) i.e., 5.2 & 5.3 g. In cultivars, maximum responsive variety was K-402 (V1). Further, these genotypes took significantly lesser days for their phonological stages i.e., days to anthesis, flowering and maturity as compared to timely sown evaluated under late sowing stress.
Pages: 274-280  |  432 Views  52 Downloads


The Pharma Innovation Journal
How to cite this article:
Shubham Kumar Srivastava, Dr. A. K. Singh, Sanjay Kumar Tripathi, Vinay Kumar Yadav, Vikas Yadav, Mayank Pratap, Pradip Kumar Saini. Effect of foliar application of Thio-urea on morphological and physiological parameters in wheat (Triticum aestivum L.) cultivars under terminal heat conditions. Pharma Innovation 2020;9(11):274-280.

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