Abstract：
:Hybridization between crops and their wild relatives potentially threatens the genetic identity of the wild plants, particularly in the case of genetically modified crops. Only a few studies have examined the use of temporal isolation to prevent hybridization, and the indices used in those studies, (e.g., the days of flowering overlap), are not precise to evaluate the degree of synchrony in flowering. Here we propose a flowering similarity index that can compare the degree of flowering synchrony between two relevant species and measure the efficiency of temporal isolation. The results showed that the flowering similarity index predicts the likelihood of hybridization much better than the number of flowering-overlap days, regardless of different flowering patterns among cultivars. Thus, temporal isolation of flowering or flowering asynchrony is the most effective means in preventing hybridization between crops and their wild relatives.
journal_name
J Plant Resjournal_title
Journal of plant researchauthors
Ohigashi K,Mizuguti A,Yoshimura Y,Matsuo K,Miwa Tdoi
10.1007/s10265-013-0592-0subject
Has Abstractpub_date
2014-01-01 00:00:00pages
109-17issue
1eissn
0918-9440issn
1618-0860journal_volume
127pub_type
杂志文章abstract：:Experiments were conducted to study the dynamics of nitrous oxide (N₂O) emission from wheat varieties viz., Sonalika, HUW 468, HUW 234 and DBW 14 grown in alluvial soils of North Bank Plain Agroclimatic Zone of Assam, India. Attempts were made to find out the relationship of N₂O emission with plant morphophysiological...
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pub_type： 杂志文章
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