کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4491003 1317802 2006 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Chromosomal Location of the Genes Associated with Photosynthesis of Lophopyrum elongatum (Host) A.Löve in Chinese Spring Background
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم کشاورزی و بیولوژیک (عمومی)
پیش نمایش صفحه اول مقاله
Chromosomal Location of the Genes Associated with Photosynthesis of Lophopyrum elongatum (Host) A.Löve in Chinese Spring Background
چکیده انگلیسی

Researches on the relationship between photosynthesis and wheat yield have equally attracted the attention of both domestic and overseas scholars. No report has existed so far on the study of the effects of exogenous chromosomes on photosynthesis using the substitution series as materials. In this research, Triticum aestivum cv. Chinese Spring-Lophopyrum elongatum (Host) A.Löve disomic substitution series were used as materials and flag leaves as the measuring position. And the CI-310 Portable Photosynthesis System made by CID Co. in USA was used to measure the net rate of photosynthesis of flag leaves in different developing stages and also to correlate photosynthesis with yield. Results showed that, out of the whole developing stages, at the anthesis stage the line of DS2Ee (2A) had the highest photosynthetic rate, therefore it could be used in improving process of the character of kernel number. The flag leaves of DS4Ee(4A, 4B, 4D) lines demonstrated certain high net photosynthetic rate from heading to grain filling stage, so it is valuable in the researh of promoting the yield index like 1000-grain weight through improvement of the photosynthetic rate at grain filling stage.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Agricultural Sciences in China - Volume 5, Issue 8, August 2006, Pages 579-586