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首页> 外文期刊>Nematropica >EFFECTS OF REDUCED RATES OF TELONE C35 AND METHYL BROMIDE IN CONJUNCTION WITH VIRTUALLY IMPERMEABLE FILM ON WEEDS AND ROOT-KNOT NEMATODES
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EFFECTS OF REDUCED RATES OF TELONE C35 AND METHYL BROMIDE IN CONJUNCTION WITH VIRTUALLY IMPERMEABLE FILM ON WEEDS AND ROOT-KNOT NEMATODES

机译：端粒酶C35和甲基溴的降低速率与不渗透膜的结合对杂草和根结线虫的影响

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Hamill, J. E., J. E. Thomas, L.-T. Ou, L. H. Allen, Jr., N. Kokalis-Burelle, and D. W. Dickson. 2008. Effects of reduced rates of Telone C35 and methyl bromide in conjunction with virtually impermeable film on weeds and root-knot nematodes. Nematropica 38:37-46. Two field trials were conducted in Florida in 2004 to test the efficacy of reduced rates of the fumigants methyl bromide (67% methyl bromide plus 33% chloropicrin) and Telone C35 (1,3-dichloropropene (1,3-D), 65% plus chloropicrin 35%) in combination with virtually impermeable film (VIF) and standard low density polyethylene (LDPE) film. In spring grown tomato, reducing rates of methyl bromide by 25% under VIF provided comparable control to full rates with regard to nutsedge (mixture of purple and yellow). All fumigants performed better with regard to nutsedge control under VIF than under LDPE. Root-galling, caused by Meloidogyne spp. juveniles (J2) in soil, and marketable yields in reduced rates of methyl bromide were also similar to the full rate regardless of film type. Plots treated with Telone C35 at 327 liters/ha in conjunction with VIF reduced nutsedge densities, had lower gall ratings, and had higher marketable yields than nontreated plots, but were not comparable to methyl bromide. Reducing rates of Telone C35 by 25 and 50% had negative impacts on yield compared to all methyl bromide treatments and Telone C35 at 327 liters/ha, regardless of film type. In double-cropped cucumber, none of the treatments had gall-ratings different than nontreated plots. In autumn grown squash, all methyl bromide treatments and Telone C35 treatments had higher marketable yields and lower gall ratings than nontreated plots. Plots treated with Telone C35 using VIF had the lowest nutsedge densities. All methyl bromide treatments under VIF had lower nutsedge densities than nontreated plots. Plots that were treated with chloropicrin or chloropicrin plus metam potassium as an in-bed treatment had higher nutsedge densities than nontreated plots.
机译：哈米尔（E. Ou，L. H. Allen，Jr.，N。Kokalis-Burelle和D. W. Dickson。 2008。降低Telone C35和甲基溴的比率以及杂草和根结线虫上几乎不渗透的薄膜的影响。 Nematropica 38：37-46。 2004年在佛罗里达州进行了两次野外试验，以测试熏蒸剂甲基溴（67％甲基溴加33％氯比克林）和Telone C35（1,3-二氯丙烯（1,3-D），65％加上35％的氯仿）与几乎不渗透的薄膜（VIF）和标准的低密度聚乙烯（LDPE）薄膜结合使用。在春季种植的番茄中，在VIF下将甲基溴的比例降低了25％，这与全营养（紫色和黄色的混合物）的完全比例可控。在VIF下，所有熏蒸剂在低营养控制方面的表现均优于LDPE。根结病，由Meloidogyne spp引起。不论膜类型如何，土壤中的幼虫（J2）以及降低的甲基溴比率的可销售产量也与全比率相似。与未经处理的地块相比，用Telone C35以327升/公顷的处理面积和VIF降低了坚果的密度，降低了胆汁等级，并提高了可销售的产量，但与甲基溴不具有可比性。与所有甲基溴处理方法和327升/公顷的Telone C35相比，将Telone C35的降低率分别降低25％和50％对产量有负面影响，而与薄膜类型无关。在双季黄瓜中，没有一种处理的没食子率与未处理的样地有所不同。在秋季种植的南瓜中，与未处理的地块相比，所有甲基溴处理和Telone C35处理均具有较高的可销售产量和较低的胆等级。使用VIF的Telone C35处理过的地块的最低边际密度。在VIF下进行的所有甲基溴处理均具有比未处理地块低的边际密度。床前处理中用氯仿或氯仿加麦角钾处理的地块的无缘密度高于未处理的地块。

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