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Survival of Aphelenchoides besseyi in infested rice seeds stored under controlled conditions



Survival of Aphelenchoides besseyi in infested rice seeds stored under controlled conditions



Nematologia Brasileira 18(1-2): 85-92



The objective of the experiment was to determine the number of live nematodes of species Aphelenchoides besseyi, in rice seeds either fumigated or not, stored at 10 and 18 degree C, as well as to observe the germination percentage and the vigour of infected seeds. (It was carried out for 30 months in which period the effects of temperature, fumigation on the storage of infested seeds were registered every six months. The number of detected nematodes increased significantly with the storage period was higher at 18 than 10 degree C.) The temperature affected the number of nematodes and the seed vigour but not the germination. The fumigation had no significant effect. The correlation coefficient showed that the percentage of germination and the seed vigour were directly proportional and both were inversely proportional to the number of live nematodes.

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Accession: 002973071

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