نتایج جستجو برای: late spring low temperature stress

تعداد نتایج: 2140780  

Journal: :Tree physiology 2012
Teresa E Gimeno J Julio Camarero Elena Granda Beatriz Pías Fernando Valladares

Juniperus thurifera L. is an endemic conifer of the western Mediterranean Basin where it is subjected to a severe climatic stress characterized by low winter temperatures and summer drought. Given the trend of increased warming-induced drought stress in this area and the climatic sensitivity of this species, we expect a negative impact of climate change on growth and ecophysiological performanc...

Journal: :Physiological and biochemical zoology : PBZ 2012
Sari Raja-aho Mirella Kanerva Tapio Eeva Esa Lehikoinen Petri Suorsa Kai Gao Dalene Vosloo Mikko Nikinmaa

Little is known of the normal seasonal variation in redox state and biotransformation activities in birds. In long-distance migratory birds, in particular, seasonal changes could be expected to occur because of the demands of migration and reproduction. In this study, we measured several redox parameters in the barn swallow (Hirundo rustica L.) during the annual cycle. We captured the wintering...

2017
Fei Weng Wujun Zhang Xiaoran Wu Xia Xu Yanfeng Ding Ganghua Li Zhenghui Liu Shaohua Wang

The objectives of this study were to explore the mechanism by which the lodging resistance of the rice population during the late growth period responds to low-temperature, overcast and rainy weather during the reproductive growth stage. Field experiments were conducted using indica rice Yliangyou2 (lodging-resistance variety), IIyou084 (lodging-susceptible variety) and japonica rice Wuyunjing2...

Safflower (Carthamus tinctorius L.) is a multipurpose plant; since its seeds contain multi-saturated fatty acids it is grown as an oilseed plant. Drought stress at late season, reduces both seed yield and quality. On the other hand, the use of nanoparticles due to their high contact surfaces can reduce the effects of environmental stresses. Hence, the present study was carried out to investigat...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سید صفدر حسینی استاد اقتصاد کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران علی شهنوازی دانشجوی دکتری اقتصاد کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران سعید یزدانی استاد اقتصاد کشاورزی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

late spring chilling in spring is largely the cause for limiting almond production, so finding ways to reduce the loss is a priority in horticultural research. the government in iran established sahand horticultural research station in 1968 to invest in some late flowering almond cultivars, and this resulted in seven new cultivars in 1994, which can survive the late chillings that might occur i...

2011
Yukiko Tanabe Tomofumi Shitara Yasuhiro Kashino Yoshiaki Hara Sakae Kudoh

Snow algae inhabit unique environments such as alpine and high latitudes, and can grow and bloom with visualizing on snow or glacier during spring-summer. The chrysophytes Ochromonas smithii and Ochromonas itoi are dominant in yellow-colored snow patches in mountainous heavy snow areas from late May to early June. It is considered to be effective utilizing the xanthophyll cycle and holding suns...

2013
Wei-Li Guo Ru-Gang Chen Zhen-Hui Gong Yan-Xu Yin Da-Wei Li

Low temperature is one of the major factors limiting pepper (Capsicum annuum L.) production during winter and early spring in non-tropical regions. Application of exogenous abscisic acid (ABA) effectively alleviates the symptoms of chilling injury, such as wilting and formation of necrotic lesions on pepper leaves; however, the underlying molecular mechanism is not understood. The aim of this s...

2015
Elisabeth Hornung Katalin Szlavecz Miklós Dombos

Introduced species dominate the terrestrial isopod fauna in most inland habitats of North America, including urban landscapes. These non-native species are often very abundant and thus potentially play a significant role in detritus processing. We monitored isopod assemblages in an urban forest for a year to examine the relationship between surface activity and abiotic environmental factors, an...

2013
Ingo Heinrich Ramzi Touchan Isabel Dorado Liñán Heinz Vos Gerhard Helle

In the eastern Mediterranean in general and in Turkey in particular, temperature reconstructions based on tree rings have not been achieved so far. Furthermore, centennial-long chronologies of stable isotopes are generally also missing. Recent studies have identified the tree species Juniperus excelsa as one of the most promising tree species in Turkey for developing long climate sensitive stab...

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