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4篇 您的检索式:作者名="GARNETT Trevor"
    题名 作者 年代 出处 被引量
1紫花苜蓿不同品种对干旱胁迫的生理响应显示文摘以国内外20个优良紫花苜蓿品种为材料,研究了离体条件下叶片相对含水量、膜相对透性、游离脯氨酸和叶绿素含量等生理性状对干旱胁迫的响应,探讨了各种生理变化与抗旱性的关系,并结合草产量对其抗旱性进行了综合评价。结果表明,抗旱性强的品种在干旱胁迫下草产量高,叶片保水能力强,叶绿素持有率高,游离脯氨酸维持积累时间较长,维持积累量较高,能保持较高的细胞膜相对完整性。依据上述5项指标,通过系统聚类分析,将20个紫花苜蓿品种分为抗旱性强、较强、中等、较弱和弱5个等级。余玲 王彦荣 GARNETT Trevor AURICHT Geoff 韩德梁 2006草业学报2006,15,3:96
2苜蓿品种对蓟马的抗性评价显示文摘在2龄和3龄二茬开花初期,调查了蓟马对来自国内外97个苜蓿品种(品系)的危害。调查结果为:蓟马在各品种上的普遍率为100%,有干枯叶片的枝条比率最大67.1%,最小为0,平均为24.3%;运用欧氏完全连锁聚类分析,供试品种对蓟马抗性可分为5个类群,抗虫性最强的品种14个(中兰1号、QS-2、大郁山、润布勒和公农2号等)、抗虫性较强的品种29个(庆阳、SA32140、YL-21、SM9808和陇中等)、抗虫性中等的品种32个(Sceptre、SA32152、阿尔冈金、金皇后和SM9809等)、抗虫性较弱的品种19个(SA16465、SA16464、SA10125、SA7090和苜蓿女王等)和抗虫性最弱的品种3个(来自中国农科院草原研究所的新疆大叶,Wl320、SA35095),5个类群的品种数分别占品种总数的14.4%,29.9%,33.0%,19.6%和3.1%。李彦忠 南志标 王彦荣 余玲 孙建华 Geoff Auricht Trevor Garnett 2006草业科学2006,23,7:14
3Transition from a maternal to external nitrogen source in maize seedlings显示文摘Maximizing NO_3^- uptake during seedling development is important as it has a major influence on plant growth and yield.However,little is known about the processes leading to,and involved in,the initiation of root NO_3^- uptake capacity in developing seedlings.This study examines the physiological processes involved in root NO_3^- uptake and metabolism,to gain an understanding of how the NO_3^- uptake system responds to meet demand as maize seedlings transition from seed N use to external N capture.The concentrations of seedderived free amino acids within root and shoot tissues are initially high,but decrease rapidly until stabilizing eight days after imbibition(DAI).Similarly,shoot N% decreases,but does not stabilize until 12–13 DAI.Following the decrease in free amino acid concentrations,root NO_3^- uptake capacity increases until shoot N%stabilizes.The increase in root NO_3^- uptake capacity corresponds with a rapid rise in transcript levels of putative NO_3^- transporters,Zm NRT2.1 and Zm NRT2.2.The processes underlying the increase in root NO_3^- uptake capacity to meet N demand provide an insight into the processes controlling N uptake.Kasra Sabermanesh Luke R. Holtham Jessey George Ute Roessner Berin A. Boughton Sigrid Heuer Mark Tester Darren C. Plett Trevor P. Garnett 2017Journal of Integrative Plant Biology2017,59,4:2
4The response of the maize nitrate transport system to nitrogen demand and supply across the lifecycle显示文摘Trevor Garnett Vanessa Conn Darren Plett Simon Conn Juergen Zanghellini Nenah Mackenzie Akiko Enju Karen Francis Luke Holtham Ute Roessner Berin Boughton Antony Bacic Neil Shirley Antoni Rafalski Kanwarpal Dhugga Mark Tester Brent N. Kaiser 2013New Phytol2013,,1:1
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