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jiangxi agricultural university

2 ARTICLES PUBLISHED IN JoVE

Environment

Modification and Application of a Leaf Blower-vac for Field Sampling of Arthropods

Yi Zou¹, Mario D. van Telgen¹, Junhui Chen², Haijun Xiao², Joop de Kraker³, Felix J. J. A. Bianchi⁴, Wopke van der Werf¹

¹Centre for Crop Systems Analysis, Wageningen University, ²Institute of Entomology, Jiangxi Agricultural University, ³Department of Science, Open University, ⁴Farming Systems Ecology, Wageningen University

Assessment of arthropod abundance in crops is critical for investigating population dynamics and species interactions. Here we describe the modification and application of a leaf blower-vac for suction sampling of arthropods in rice.

Biology

A Multi-hole Cryovial Eliminates Freezing Artifacts when Muscle Tissues are Directly Immersed in Liquid Nitrogen

Yizhong Huang¹, Maozhang He¹, Qingjie Zeng¹, Lin Li¹, Zhen Zhang¹, Junwu Ma¹, Yanyu Duan¹

¹State Key Laboratory for Pig Genetic Improvement and Production Technology, Jiangxi Agricultural University

This protocol describes a procedure to freeze muscle tissues by plunging them directly into liquid nitrogen. This protocol also highlights a new cryovial that can avoid the "blanket effect" of nitrogen gas when liquid nitrogen contacts the tissue surface of a specimen.