חיפוש מתקדם
Euphytica
Kushnir, U., School of Agriculture and Forestry, University of Melbourne, Parkville, 3052, Victoria, Australia
Halloran, G.M., School of Agriculture and Forestry, University of Melbourne, Parkville, 3052, Victoria, Australia
Differences were found in total nitrogen uptake and its pattern of distribution in the main tiller amongst five lines of wild tetraploid wheat (Triticum turgidum dicoccoides) and between it and two hexaploid wheats (Triticum aestivum) under low (48 ppm) and higher (240 ppm) levels of soil nitrogen. Under the low soil nitrogen level the hexaploids had higher amounts of total nitrogen in the main tiller than the dicoccoides lines, but under the higher soil nitrogen level, three of the dicoccoides lines had significantly (P<0.01) higher, and the other two lines, similar amounts as the hexaploids. The total amount of grain nitrogen in the hexaploids was significantly (P<0.01) higher than the five dicoccoides under the low nitrogen soil level but under the higher level, two of the dicoccoides lines had similar amounts as one of the hexaploids (cv. Bencubbin) but significantly (P<0.01) lower than the other (cv. Argentine IX). The efficiency of nitrogen translocation to the grain was significantly (P<0.01) lower in a primitive, compared with four cereal forms of dicoccoides under both low and high levels of soil nitrogen. The cereal forms of dicoccoides, while similar in nitrogen translocation efficiency under low soil nitrogen as the lower translocation efficiency hexaploid (cv. Bencubbin), were significantly (P<0.01) and substantially lower than it under the higher soil nitrogen level. © 1984 Dr. H. Veenman en Zonen B.V.
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Plant nitrogen distribution in wild tetraploid (Triticum turgidum dicoccoides) and hexaploid wheat (Triticum aestivum)
33
Kushnir, U., School of Agriculture and Forestry, University of Melbourne, Parkville, 3052, Victoria, Australia
Halloran, G.M., School of Agriculture and Forestry, University of Melbourne, Parkville, 3052, Victoria, Australia
Plant nitrogen distribution in wild tetraploid (Triticum turgidum dicoccoides) and hexaploid wheat (Triticum aestivum)
Differences were found in total nitrogen uptake and its pattern of distribution in the main tiller amongst five lines of wild tetraploid wheat (Triticum turgidum dicoccoides) and between it and two hexaploid wheats (Triticum aestivum) under low (48 ppm) and higher (240 ppm) levels of soil nitrogen. Under the low soil nitrogen level the hexaploids had higher amounts of total nitrogen in the main tiller than the dicoccoides lines, but under the higher soil nitrogen level, three of the dicoccoides lines had significantly (P<0.01) higher, and the other two lines, similar amounts as the hexaploids. The total amount of grain nitrogen in the hexaploids was significantly (P<0.01) higher than the five dicoccoides under the low nitrogen soil level but under the higher level, two of the dicoccoides lines had similar amounts as one of the hexaploids (cv. Bencubbin) but significantly (P<0.01) lower than the other (cv. Argentine IX). The efficiency of nitrogen translocation to the grain was significantly (P<0.01) lower in a primitive, compared with four cereal forms of dicoccoides under both low and high levels of soil nitrogen. The cereal forms of dicoccoides, while similar in nitrogen translocation efficiency under low soil nitrogen as the lower translocation efficiency hexaploid (cv. Bencubbin), were significantly (P<0.01) and substantially lower than it under the higher soil nitrogen level. © 1984 Dr. H. Veenman en Zonen B.V.
Scientific Publication
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