GrainGenes Reference Report: PKB-7-1477
Reference
PKB-7-1477
Title
Influence of different irrigation regimes on the phenology and accumulated heat units in four bread wheat cultivars
Journal
Pakistan Journal of Biological Sciences
Year
2004
Volume
7
Pages
1477-1480
Author
Alam MZ Haider SA Paul NK
Abstract
A field investigation was carried out in Bangladesh in 1998-99 and 1999-2000 to evaluate the effect of irrigation on phenology and accumulated heat units of four cultivars of bread wheat ( Triticum aestivum cultivars Akbar, Opata, Protiva and C 306) at different phenological stages (crown root initiation, booting, anthesis and grain filling). There were three treatments: rainfed, 10 and 20 mm irrigation. The rainfed plants had significantly shorter phenological stages and lower growing day degree than the irrigated plants in all the four cultivars. Cultivars Akbar was early maturing and C 306 was late maturing. Akbar had the lowest and C 306 had the highest growing degree days during all the phenological stages under each irrigation regime. Heliothermal units also showed more or less the same trends. The phenothermal indices and heat use efficiency were found to be higher in the irrigated plants than the rainfed plants
Keyword
bread
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GrainGenes Reference Report: PKB-7-1477
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||