Influence of aldicarb on the growth and yield of tobacco

Microplot and field experiments were used to examine the plant-growth stimulation frequently associated with the use of aldicarb on tobacco in the absence of major pests. Aldicarb rates of 1.5-4.5 kg a.i./ha enhanced tobacco growth and yield in most experiments, but higher rates (>/= 4.5 kg) usua...

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Veröffentlicht in:Journal of nematology. - 1969. - 20(1988), 3 vom: 15. Juli, Seite 432-8
1. Verfasser: Barker, K R (VerfasserIn)
Weitere Verfasser: Powell, N T
Format: Aufsatz
Sprache:English
Veröffentlicht: 1988
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Meloidogyne spp. Nicotiana tabacum Temik aldicarb growth regulation nematicide
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520 |a Microplot and field experiments were used to examine the plant-growth stimulation frequently associated with the use of aldicarb on tobacco in the absence of major pests. Aldicarb rates of 1.5-4.5 kg a.i./ha enhanced tobacco growth and yield in most experiments, but higher rates (>/= 4.5 kg) usually resulted in a neutral to negative effect. Tobacco cultivars NC 82 and Speight G-28 were more responsive than McNair 944 to the pesticide in microplots. Supplemental irrigation enhanced the responsiveness of Speight G-70 tobacco and McNair 944 to aldicarb, but excessive moisture (ca. 7-8 cm/week) limited cured-leaf yields. Aldicarb also resulted in the greatest mean tobacco yields in 35 field experiments involving Meloidogyne spp. over 3 years, relative to ethoprop, 1,3-dichloropropene (1,3-D), 1,3-D + chloropicrin, and nontreated controls. Thus, aldicarb generally enhanced tobacco growth and yield in the presence or absence of nematodes, but its impact is dependent on other variables, including cultivar, soil moisture, and soil type 
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650 4 |a growth regulation 
650 4 |a nematicide 
700 1 |a Powell, N T  |e verfasserin  |4 aut 
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