... photoperiod from fluorescent and incandescent lighting with a photosynthetic photon flux density of 750 με m2 s - 1 . Each growth chamber contained two groups of plants , well- watered and water - stressed . Plants were watered twice ...
... photosynthetic at harvest , e.g. Elytrigia repens and Galium aparine , may not only reduce yield but also contribute significantly to harvesting costs through the increase of matter other than grain . EFFECTS ON YIELD COMPONENTS AND ...
... Elytrigia repens , Lolium perenne , L. multiflo- rum , Hordeum murinum , Agrostis tenuis , A. alba , A. stolonifera ... photo of the anterior end of the larva is given by Sol ( 1974 ) . 117. Cetema myopinum ( Loew , 1866 ) Figs 585 ...
... Photo was taken 3 weeks after initiating the germination assay . ( Source : Gallandt , unpublished ) battling a heavy infestation of quack grass ( Elytrigia repens L. ) by summer fal- lowing . Early on , they spent a lot of time ...
... Elytrigia repens (L.) Nevski. There is sometimes a shrub layer of Chamaecytisus austriacus (L.) Link. Stands of this ... (Photo 5.3 ). This vegetation develops under constant and extensive grazing pressure and occupies the largest ...
... photo- synthesis , pigment production ( especially carotenoids ) lipid biosynthesis , cell division or to act ... Elytrigia repens Rumex spp . Reynoutria japonica Juncus spp . Cirsium spp . 1Where no value is given it is likely to ...