[PDF] Top 20 EVALUATION OF WHEAT GENOTYPES FOR TERMINAL HEAT TOLERANCE BY SIMPLE PHYSIOLOGICAL TRAITS

... of wheat is drastically reduced due to late planting in north western plain zone of ...of wheat has become a regular feature in this zone because of long duration preceding crops like rice and cotton, which ... See full document

... to wheat production in various wheat growing ...of wheat genotypes to temperatures above the critical threshold level during flowering and grain-filling stages can cause reproductive failure ... See full document

... the genotypes revealed highly significant differences for all the characters studied except grain filling ...in genotypes was sufficient to provide some scope for selecting genotypes with improved ... See full document

... 8 wheat varieties to see the genetic variability in wheat for heat stress tolerance at grain filling stage during rabi season ...2013-14. Heat stress treatment was given by delayed ... See full document

... spring wheat alone in the developing world. The optimum temperature for wheat growth and development varies from ...of wheat cropping area are reported to be under heat stress (Joshi et ...in ... See full document

... Twenty genotypes of wheat were undertaken for assessment of direct selection parameters (variability, heritability, and genetic advance), indirect selection parameter (correlation) and their relation with ... See full document

... In genotypes most tolerant of osmotic stress the root/ shoot length ratio decreases in the highest ...between traits: the length of root and length of shoot, more pronounced and statistically proven at ... See full document

... bread wheat genotypes advocate that selection due to domestication has turned against the ability for salt ...salt tolerance may be a key cause towards the reduction of desirable genes for salinity ... See full document

... under heat stress in nurseries. Sugarcane breeders are seeking new heat-tolerant germplasm suited to the stressed areas in collaboration with our physiology ...program. Physiological and biochemical ... See full document

... assess heat tolerance genotypes based on quantitative and physiological parameters in breed wheat (triticum aestivium ...eight wheat genotypes procured from the Department ... See full document

... of wheat (Triticum ssp.) with rye (Secale spp.) tolerance to harsh environment (Lelley, ...bread wheat, in environments where growing conditions are unfavorable or for in the low-input systems ... See full document

... physiological traits in RILs of wheat are presented in Table ...of traits, which helps in choosing an appropriate breeding ...of traits, suggesting the feasibility of selection among ... See full document

... the wheat development was better in the non- stressed (NS) treatments resulting in increased evapotranspiration compared to the plants in the stressed (S) ...two wheat genotypes in the stressed ... See full document

... condition. Genotypes with low DSI values (less than 1) can be considered to be drought resistant (Bruckner and Frohberg,(1987), because they exhibited smaller yield reductions under water stress compared with ... See full document

... and physiological traits such as days to heading, canopy temperature (CT), normalized difference vegetative index (NDVI) and grain yield were ...designs. Genotypes were treated as fixed effect, while ... See full document

... most genotypes. The E was relatively higher in genotypes of bread wheat than durum wheat ...in genotypes Garagylchyg 2, Vugar, Barakatli 95, Nurlu 99, Gobustan, Akinchi 84, Gyrmyzy gul ... See full document

... in wheat breeding (Fokar et ...of heat tolerance, and of how to utilise appropriate germplasm and methodologies, will aid in the development of heat tolerant wheat genotypes ... See full document

... drought tolerance in plants is a complex phenomenon, associated with a variety of morphological and physiological traits [47], breeding for improved fiber quality traits under moisture stress ... See full document

... Bread wheat belongs to the tribe triticeae and family poaceae. In wheat, plants can be injured at seedling emergence, reproductive development, stem elongation, heading and grain filling stages by high ... See full document

... to heat stress in wheat ...of wheat was almost at par (35-36%) by heat stress, which indicates equal degree of sensitivity of vegetative and reproductive growth to warming (Table ... See full document