Effect of Solarization High Temperature Film Mulching on Chinese Chive Growth and Soil Microbial Functional Diversity

doi:10.16409/j.cnki.2095-039x.2018.05.004

Abstract

Abstract: To understand the effects of high temperature with solarization using film mulch on control of Bradysia odoriphaga larvae and soil microbial community in the rhizosphere of Chinese chive, field tests were conducted in Hebei Province. The physicochemical properties of the soil were compared before and after the treatment. Further, Biolog-ECO was used to analyze the functional diversity of soil microbial community changes. The high temperature with solarization using film mulch resulted in 100% control of B. odoriphaga each instar larvae, while it exerted no significant effect on the plant height, stem diameter, leaf width, root length, color and fresh weight of one hundred plant after 12 days of solarization treatment. The total phosphorus content in soil increased significantly after the treatment. Shannon-Wiener index, Simpson index, McIntosh index and richness the index of the soil microbial community were not found to change significantly according to the AWCD value after a 144 h culture using Biolog-ECO. It is evident that solarization using film mulch can afford effective control of B. odoriphaga larvae with no significant effect on growth of Chinese chive and rhizosphere soil microbial diversity.

Key words: solarization high temperature film mulching, Chinese chive, Bradysia odoriphaga, soil microbial functional diversity

CLC Number:

S476

SONG Jian, CAO Weiping, CHEN Dan, ZHANG Xiao, DU Lixin. Effect of Solarization High Temperature Film Mulching on Chinese Chive Growth and Soil Microbial Functional Diversity[J]. journal1, 2018, 34(5): 670-675.

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