0	0.19164	light quality production red plants plant food lettuce 
1	0.10923	plant medium vitro plants culture cuttings shoot rooting 
2	0.17624	fruit storage fruits quality postharvest acid days life 
3	0.10119	oil essential compounds extract activity oils food extracts 
4	0.07801	pollen plant japan species flower male potato pollination 
5	0.19671	stress plant plants water leaf growth salinity leaves 
6	0.17182	plant yield soil growth plants root seed application 
7	0.19787	fruit cultivars trees tree traits table high pruning