Abstract
The effects of rice straw and alligator weed (Alternanthera philoxeroides) residue on germination of selected rice cultivars grown in Louisiana were studied. Germination was influenced by both plant residue source and application rate. Alligator weed, which caused a rapid decrease in soil redox and pH, had a greater impact on germination than rice straw addition. There were distinct differences in rice cultivars ‘response’ to plant residue application rate and source. Alligator weed showed significant germination inhibition for all cultivars tested as compared to rice straw.
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