نتایج جستجو برای: final emergence population

تعداد نتایج: 955553  

Journal: :چغندرقند 0
جمشید نظری عالم دانش آموخته کارشناسی ارشد علوم علف‪های هرز دانشگاه تهران- پردیس کشاورزی و منابع طبیعی

the most problematic weed in summer crops in alashthar town is ground cherry (physalis divaricata). in this research, the emergence pattern of this weed in sugar beet and wheat crop was investigated during 2006- 2007. seed dormancy was also studied from october to may in two depths 0 and 10 cm, based on a factorial experiment. the results indicated that the emergence of this weed starts late ap...

Journal: :The American naturalist 2006
John J Dennehy Nicholas A Friedenberg Robert D Holt Paul E Turner

Viruses can occasionally emerge by infecting new host species. However, the early phases of emergence can hinge upon ecological sustainability of the virus population, which is a product of both within-host population growth and between-host transmission. Insufficient growth or transmission can force virus extinction before the latter phases of emergence, where genetic adaptations that improve ...

2009
Francesco De Pellegrini Lidia Yamamoto Daniele Miorandi

of Changes Version Section(s) Synopsis of Change 4 1, 4, B comments and new appendix B with emergence experiments 5 all new structure with focus on reporting current state 6 B minor fixes 7 A New appendix on Evolutionary dynamics 8 3, 3.5, 3.6 Molecular and cell evolution drafts 9 C New appendix on soup experiments revisited 10 Appendices Final remarks on appendices 11 all Restructured to final...

2007
Sentot Kromodimoeljo Bill Pase

2015
Lars Nielsen Peter Nyberg Jonas Sjöberg Victor Judez

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