نتایج جستجو برای: nurseries

تعداد نتایج: 3940  

Journal: :International Journal of Biodiversity and Conservation 2014

Journal: : 2021

Gaziantep Orman Fidanlık Şefliği, Osmaniye Hatay Serinyol Şefliği ve HMKÜ kampüs fidanlık alanında 14 farklı peyzaj bitkisi türünden toplam 98 adet hastalıklı fidan örneği toplanmıştır. Bu örneklerin 81’inde, toprak kökenli hastalık etmenleri saptanmıştır. etmenlerin tanılanmasına yönelik olarak morfolojik sonuçlar değerlendirildiğinde; konukçulardan elde edilen etmenlerinden 12 adedi, Ceratoba...

Journal: :دانش گیاه پزشکی ایران 0
سید علیرضا سلامی استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران علی عبادی استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران مینا کوهی حبیبی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران ذبیح الله زمانی دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران

fanleaf degeneration, a disease caused by grapevine fanleaf virus (gflv), is considered as the most destructive grapevine viral disease worldwide causing severe losses in vineyards, annually. gflv is apparently believed to have originated from ancient persia and therefore, to restrict it in its further infections, a precise identification along with a monitoring of its distribution pattern is c...

2006
D. B. South

The efficiency of a tree improvement program can be greatly affected by the degree of seed efficiency in the nursery. The gains from tree improvement can be 50% greater from a nursery with 90% seed efficiency than from a nursery with 60% seed efficiency. However, because the nursery and tree improvement are usually operated by different divisions, the goals of the nursery manager may not includ...

Journal: :The British journal of developmental psychology 2011
Kathy Sylva Alan Stein Penelope Leach Jacqueline Barnes Lars-Erik Malmberg

This study investigated the effects of different characteristics of early child-care in England on the development of cognition, language, and task-related attention and behaviour (orientation/engagement and emotion regulation during the Bayley assessment) at 18 months. Data were drawn from a prospective longitudinal study of 1,201 infants. As found in previous studies, socio-demographic charac...

Journal: :Epidemiology and infection 2008
E Vynnycky W J Edmunds

Many countries plan to close schools during a future influenza pandemic, although the potential impact is poorly understood. We apply a model of the transmission dynamics of pandemic influenza to consultation, serological and clinical data from the United Kingdom from the 1957 (Asian) influenza pandemic, to estimate the basic reproduction number (R0), the proportion of infected individuals who ...

1997
B. W. Senne J. D. Hancock P. S. Sorrell I. H. Kim S. L. Traylor R. H. Hines K. C. Behnke

Rate and efficiency of gain were not affected by adding as much as 20% distillers dried grains in isocaloric diets for nursery pigs or 30% in isocaloric diets for finishing pigs. These results demonstrate that the previously suggested maximums of 5% distillers dried grains in nursery diets and 10% distillers dried grains in finishing diets are too conservative. Finally, because the 20% (nursery...

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