Post Image

Dualex植物氮平衡指数测量仪参考文献

[1] K. Klem, A. Ač, P. Holub, D. Kováč, V. Špunda, T. M. Robson, O. Urban. Interactive Effects of Par and Uv Radiation On the Phys...

查看详细
Post Image

Multiplex 3非接触式植物多酚和胁迫测量仪参考文献

[1] M. H. M. Hazir, A. R. M. Shariff, M. D. Amiruddin. Determination of Oil Palm Fresh Fruit Bunch Ripeness—Based On Flavonoids an...

查看详细
Post Image

Developmental changes in spatial distribution of in vivo fluorescence and epidermal UV absorbance over Quercus petraea leaves

•Background and Aims Epidermal phenolic compounds (mainly flavonoids) constitute a vital screen that protects the leaf from damage...

查看详细
Post Image

Seasonal changes in optically assessed epidermal phenolic compounds and chlorophyll contents in leaves of sessile oak (Quercus petraea): towards signatures of phenological stage

Abstract. Seasonal patterns of dry mass invested in chlorophyll and epidermal phenolic compounds (EPhen) were investigated in vivo...

查看详细
Post Image

A non-destructive method to predict polyphenol content in strawberry

Fruit total phenolic content (TPC) and total antioxidant capacity (TAC) are usually assessed by destructive wet chemistry. Yet, fo...

查看详细
Post Image

刺吸电波图实验中金丝与烟粉虱的粘连技术

摘要:刺吸电波图(EPG)是用于研究刺吸式口器昆虫取食的电生理技术。实验中,昆虫粘连技术是一项非常关键的技术,直接影响实验结果。该文以烟粉虱Bemisia tabaci(Gennadius),为例,介绍了粉虱成虫和若虫粘连的具体步骤和注意细节,比较了不同粘连方...

查看详细
Post Image

刺探电位图谱(EPG)技术的应用综述

摘 要: 本文综述了刺探电位图谱(EPG)技术——一种用来记录刺吸式口器昆虫口针在寄主组织中刺探行为的电信号变化特征的技术,在寄主植物对刺吸式口器昆虫的抗虫机制,昆虫与寄主植物的特异性关系,昆虫传毒行为,昆虫取食危害机理,昆虫生物学和生态学,农药生物测定,昆虫...

查看详细
Post Image

B型烟粉虱在甘蓝、西葫芦和辣椒上的刺吸取食行为

摘要: 利用刺吸电波技术( EPG) 记录了B 型烟粉虱Bemisia tabaci 在甘蓝Brassica oleracea L. var. caqitata 、西葫芦Cucurbita pepo L. 和辣椒Capsicum annuum L. 上的刺吸取...

查看详细
Post Image

EM38电磁发生仪测定结果的影响因素分析

摘要:通过应用EM38电磁电导仪测量法调查了阿瓦提县丰收灌区土壤盐分含量,并将EM38读数与常规土壤含盐量测定方法所获得的结果进行比较,分析了对仪器电磁产生影响的因素。结果表明,用EM38测得的结果与土壤湿度、土壤质地、土壤温度、土壤盐分的高低、仪器距地面高度...

查看详细
Post Image

电磁感应电导仪(EM38)测定土壤含盐量的研究

【摘要】利用EM38型电磁感应电导仪(EM38)在野外原位测定土壤电磷感应电导率(EM).是一种快速简便测定土壤含盐量的新方法.将EM38水平放置在地表以上不同高度,仪器EM 读数随高度的变化与不同探度土层的盐分含量分布有关.室内用电导法测定不同探度土层土壤水...

查看详细