Dynamics and correlations of chlorophyll and phytol content with silage bacterial of different growth heights Pennisetum sinese
文献类型： 外文期刊
作者： Li, Mao 1 ; Lv, Renlong 1 ; Zhou, Hanlin 1 ; Zi, Xuejuan 3 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou, Peoples R China
2.Chinese Acad Trop Agr Sci, Zhanjiang Expt Stn, Zhanjiang, Peoples R China
3.Hainan Univ, Coll Forestry, Key Lab Minist Educ Genet & Germplasm Innovat Trop, Key Lab Germplasm Resources Trop Special Ornamenta, Danzhou, Peoples R China
关键词： Pennisetum sinese; growth height; chlorophyll; phytol; silage microbial
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）
ISSN： 1664-462X
年卷期： 2022 年 13 卷
页码：
收录情况： SCI
摘要： The dynamics and correlations of chlorophyll and phytol content with silage bacterial of different growth heights Pennisetum sinese were investigated. The results demonstrated that the chlorophyll and phytol content of P. sinese before and after ensiled decreased with the increase of growth height. Ensiling significantly reduced pigment content but had no significant effect on phytol. In addition, P. sinese pigment yield before and after ensiled increased with growth heights increasing, and the yield at 150 or 180 cm was obviously higher. Moreover, the higher silage quality V-Score were at 150 or 180 cm growth heights. Furthermore, the silage microbial diversity were varied by growth heights, and some specific undesirable microorganisms (Acinetobacter, Cellvibrio, Sphingobacterium, etc.) were negatively correlated with pigment and phytol content. Therefore, with comprehensive consideration of pigment, phytol yield, and silage quality, the optimum harvest growth height of P. sinese was 150 cm. Furthermore, precise reduction of particular undesirable microorganisms maybe helps to preserve pigments and phytol.
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