Correlations of Rotylenchulus reniformis Population Densities with 1,3-Dichloropropene Dosage Rate and Pineapple Yields

The relationships between Rotylenchulus reniformis population densities and pineapple growth and yield were studied in a small-plot field experiment. Increasing rates of handgun-injected 1,3-dichloropropene (1,3-D) preplant fumigant from 0 to 337 liters/ha resulted in greater nematode control, faste...

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Veröffentlicht in:Journal of nematology. - 1969. - 22(1990), 4S vom: 16. Okt., Seite 735-9
1. Verfasser: Schenck, S (VerfasserIn)
Format: Aufsatz
Sprache:English
Veröffentlicht: 1990
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article 1,3-dichloropropene (1,3-D) Ananas comosus Rotylenchulus reniformis crop loss pineapple population fluctuation soil fumigation
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245 1 0 |a Correlations of Rotylenchulus reniformis Population Densities with 1,3-Dichloropropene Dosage Rate and Pineapple Yields 
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520 |a The relationships between Rotylenchulus reniformis population densities and pineapple growth and yield were studied in a small-plot field experiment. Increasing rates of handgun-injected 1,3-dichloropropene (1,3-D) preplant fumigant from 0 to 337 liters/ha resulted in greater nematode control, faster plant growth, and larger pineapple fruits. Rotylenchulus reniformis population densities at 2, 4, 6, and 8 months postplant were correlated with plant size and yield. The shorter the time period following planting in which R. reniformis densities remained low, the greater was the average loss in yield. A measurement of nematode-days as the area under the R. reniformis population growth curve indicated that this parameter was also correlated with plant growth and yield. Both population density and length of the control period affected the amount of crop damage 
650 4 |a Journal Article 
650 4 |a 1,3-dichloropropene (1,3-D) 
650 4 |a Ananas comosus 
650 4 |a Rotylenchulus reniformis 
650 4 |a crop loss 
650 4 |a pineapple 
650 4 |a population fluctuation 
650 4 |a soil fumigation 
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