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Effect of Combining Soil Solarization withCertain Nematicides on Target and Nontarget Organisms and Plant Growth

机译:土壤日晒与有机结合的效果关于靶标和非靶标生物与植物生长的某些杀线虫剂

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摘要

Field experiments compared pesticidal and plant growth effects of soil solarization, alone and in combination, with overall applications of several nematicides. Nematodes, including Meloidogyne incognita J2, that were targeted for control were significantly reduced (P < 0.05) by solarization, 1,3-dichloropropene (44 and 132 liter/ha), ethoprop (13.5 kg/ha), metham sodium (64 liter/ha), formaldehyde (111 liter/ha), and by solarization-nematicide combinations. Control of Pythium ultimum also was obtained by all of the treatments; however, none of the chemicals or combinations of chemicals and solarization controlled nematodes or P. ultimum significantly better than solarization alone. Numbers of cotton (Gossypium hirsutum cv. Acala SJ-2) seed-applied Trichoderma viride and Bacillus subtilis which colonized the plant rhizosphere were not affected. Yield of carrot and survival of cotton seedlings was sometimes increased by solarization and (or) chemical treatments. No significant phytotoxicity from soil treatments was found on cotton or carrot.
机译:田间试验比较了单独或组合使用土壤日光化对农药和植物生长的影响以及几种杀线虫剂的整体应用。日光照射,1,3-二氯丙烯(44和132升/公顷),乙丙酸(13.5公斤/公顷),甲胺钠(64升)显着减少了被靶向控制的线虫,包括南方根结线虫J2,(P <0.05) /公顷),甲醛(111升/公顷)和日晒-杀线虫剂组合。所有处理均能控制终极腐霉菌。但是,没有任何一种化学物质或化学物质与可控制日晒的线虫或终极疟原虫的组合比单独的日照能好得多。植株根际上定植的棉花(Gossypium hirsutum cv。Acala SJ-2)种子的木霉数量和枯草芽孢杆菌的数量均不受影响。日光化和(或)化学处理有时会提高胡萝卜的产量和棉花幼苗的存活率。没有发现土壤处理对棉花或胡萝卜有明显的植物毒性。

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