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Balla, K., Bedő, Z., Veisz, O. (2007): Heat stress induced changes in the activity of antioxidant enzymes in wheat. Cereal Res. Commun. , 35 , 197–200. Veisz O. Heat stress

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50 Balla, K., Bencze, S., Janda, T., Veisz, O. 2009. Analysis of heat stress tolerance in winter wheat. Acta Agron. Hung. 57 :437–444. Veisz O

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: Altered heat stress response following streptozotocin-induced diabetes . Cell Stress Chaperon . 12 , 342 – 352 ( 2007 ) 11. Nonaka K , Une S , Tatsuta N , Ito K , Akiyama J : Changes in antioxidant enzymes and lipid peroxidation in

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Introduction Heat stress reportedly provides protection against disuse muscle atrophy, and heat shock protein 70 (HSP70) induced by heat stress may play an important role in the mechanism underlying this phenomenon ( 12 , 13

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97 111 Kumar, S., Kaur, R., Kaur, N., Bhandhari, K., Kaushal, N., Gupta, K., Bains, T. S., Nayyar, H. (2011) Heat-stress induced inhibition in growth and chlorosis in mungbean

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Rane Jagadish, Pannu, R.K., Sohu, V.S., Saini, R.S., Mishra, B, Shoran Jag, Crossa, J., Vargas, M., Joshi, A.K. 2007. Performance of yield and stability of advanced wheat genotypes under heat stress environments of the Indo-Gangetic Plains. Crop Sci

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. Bowen , S. J. and Washburn , K. W. ( 1985 ): Thyroid and adrenal response to heat stress in chickens and quail differing in heat tolerance . Poultry Sci. 64 , 149 – 154 . Bowen

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Cereal Research Communications
Authors: S. Sareen, N. Bhusal, G. Singh, B.S. Tyagi, V. Tiwari, G.P. Singh and A.K. Sarial

Heat stress is a matter of a great concern for the wheat crop. Heat stress usually either hastens crop development or shortens the grain filling duration, which severely reduces grain yield. Being a complex trait, understanding the genetics and gene interactions of stress tolerance are the two primary requirements for improving yield levels. Genetic analysis through generation mean analysis helps to find out the nature of gene actions involved in a concerned trait by providing an estimate of main gene effects (additive and dominance) along with their digenic interactions (additive × additive, additive × dominance, and dominance × dominance). In the present investigation, we elucidated the inheritance pattern of different yield contributing traits under heat stress using different cross combinations which could be helpful for selecting a suitable breeding strategy. Thus six generations of five crosses were sown normal (non-stress, TS) and late (heat stress, LS) in a randomized block design with three replications during two crop seasons. The model was not adequate for late sown conditions indicating the expression of epistatic genes under stress conditions. The traits i.e. Days to heading (DH), Days to anthesis (DA), Days to maturity (DM), Grain filling duration (GFD), Grain yield (GY), Thousand grain weight (TGW), Grain weight per spike (GWS) and Heat susceptibility index (HSI) under heat stress conditions were found under the control of additive gene action with dominance × dominance interaction, additive gene action with additive × dominance epistatic effect, dominance gene action with additive × additive interaction effect, additive and dominance gene action with dominance × dominance interaction effect, additive gene action with additive × dominance epistatic effect, additive gene action with additive × additive interaction effect and dominance gene action with additive × additive interaction effect, respectively.

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heat-stress in cultivars of wheat: Growth temperature-dependent differential modulation of photosystem 1 and 2 activity, and foliar antioxidant defense capacity. J. Plant Physiol. , 159 , 49–59. Mohanty N

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of heat stress tolerance in winter wheat. Acta Agron. Hung. , 57 , 437–444. Veisz O. Analysis of heat stress tolerance in winter wheat Acta Agron

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