In conclusion, the best frost resistance was shown by the hairy vetches, especially Hungvillosa, yellow sweetclover
, crimson clover, and black medic, in that order.
The influence of top growth removal on the root and vegetative development of biennial sweetclover
Sowing hairy vetch, sweetclover
, alfalfa, and snail medic at the same time as sunflower resulted in lower (P [is less than or equal to] 0.05) sunflower yields than when sunflower was grown alone (Table 5).
The coumarin 2H-1-benzopyran-2-one was further found to be the predominant allelochemical of yellow sweetclover
. This coumarin had strong inhibition effects on seed germination and seedling growth in many weeds.
Melilotus officinalis (L.) Lam.: yellow sweetclover
. Infrequent on lawns and at sunny edges of woods; 280; *
King Ranch bluestem (Bothriochola ischaemum), little bluestem (Schizachyrium scoparium), Texas wintergrass (Stipa leucotricha), threeawn grass (Aristida sp.), prickly pear, frostweed (Verbesina virginica), Lindheimer senna (Cassia lindheimeriana), knotted hedgeparsley (Torilis nodosa), prairie bluet (Heydotis nigricans), Drummond skullcap (Scutellaria drumondii), white sweetclover
(Melilotus albus), oneseed croton (Croton monanthogynus), Indianmallow (Abutilon incanum), common sorrel (Rumex acetosella), sensitivebriar (Schrankia roemeriana), pepperweed (Lepidium virginicum), and Texas bluebonnet (Lupinus texensis).
Storage of energy reserves is especially important in overwintering biennial and perennial plants such as sweetclover
, carrot, sugarbeet, dandelion, and alfalfa.
(Melilotus officinalis Lam.) was also a category in 2002 at Location 2 because of its abundance relative to other undesirable species.
Common clovers include ladino, red, white, alsike, sweetclover
, and subterranean clover.
Klement also noticed more expansive areas of crested wheatgrass and yellow sweetclover
, with the bright yellow flowers of the clover casting color over some grassy stretches.
Dewey], alfalfa (Medicago sativa L), and sweetclover
(A Melilotus spp L) were selected for evaluation.