Research on the Contact Effect of Extracts of Different Plant Parts of Ricinus communis(Euphorbiales:Euphorbiaceae) on Grubs
Guo Xian-ru
Abstract
Guo Xian-ru
Abstract
The contact effects of water extracts from different plant parts of Ricinus communis(Euphorbiales: Euphorbiaceae) on grubs were determined in the laboratory.The results showed that all the water extracts from different parts of R.communis plant had contact effect on grubs.They were,in a descending order,the water-extracts of seed,stem,leaf,seed skin,and root,respectively.Among these extracts,the optimum contact corrected mortality was observed in the extract prepared from seed extracted with 30-fold water,which came up to 60% on the seventh day after treatment.
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The contact effects of water extracts from different plant parts of Ricinus communis(Euphorbiales: Euphorbiaceae) on grubs were determined in the laboratory.The results showed that all the water extracts from different parts of R.communis plant had contact effect on grubs.They were,in a descending order,the water-extracts of seed,stem,leaf,seed skin,and root,respectively.Among these extracts,the optimum contact corrected mortality was observed in the extract prepared from seed extracted with 30-fold water,which came up to 60% on the seventh day after treatment.
Key concepts: Ricinus, Euphorbiaceae, Biology, Botany, Horticulture