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首页> 外文期刊>Journal of Nematology, with Annual of Applied Nematology >Evaluation of Amino Acids as Turfgrass Nematicides
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Evaluation of Amino Acids as Turfgrass Nematicides

机译：评估作为草皮杀线虫剂的氨基酸

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摘要

Laboratory experiments revealed that DL-methionirie, sodium methionate, potassium methionate, and methionine hydroxyl analog at rates of 224 and 448 kg amino acid/ha reduced the number of Belonolaimus longicaudatus mixed life-stages and Meloidogyne incognita J2 in soil, whereas L-threonine and lysine were not effective in reducing the number of either nematode. Futhermore, greenhouse experiments demonstrated that DL-methionine, sodium methionate, potassium methionate, and methionine hydroxyl analog were equally effective against B. longicaudatus at rates of 112, 224, and 448 kg amino acid/ha, and the highest rate (448 kg amino acid/ha) of all amino acids was more effective in reducing the number of B. longicaudatus than the lower rate. However, phytotoxicity was observed on creeping bentgrass (Agrostis palustris) treated with 448 kg amino acid/ha of methionine hydroxyl analog and DL methionine. In addition, in one of two field experiments on bermudagrass (Cynodon dactylon X C. transvaalensis) turfpercentage green cover was increased and the number of B. longicaudatus was reduced by 224 kg amino acid/ha of DL-methionine and potassium methionate compared to untreated controls in one of two trials.
机译：实验室实验表明，DL-蛋氨酸，蛋氨酸钠，蛋氨酸钾和蛋氨酸羟基类似物的比率分别为224和448 kg氨基酸/公顷，减少了土壤中贝隆臭虫的混合生命周期和南方根结线虫J2的数量，而L-苏氨酸赖氨酸和赖氨酸不能有效减少线虫的数量。此外，温室实验表明，DL-蛋氨酸，蛋氨酸钠，蛋氨酸钾和蛋氨酸羟基类似物以112、224和448 kg氨基酸/公顷的比例对长双歧杆菌同样有效，最高比例（448 kg氨基酸）氨基酸/公顷）比降低率更有效地减少了长双歧杆菌的数量。然而，在用448 kg氨基酸/公顷的蛋氨酸羟基类似物和DL蛋氨酸处理的bent草（Agrostis palustris）上观察到了植物毒性。此外，在百慕大草（Cynodon dactylon X C. transvaalensis）的两个田间试验之一中，与未处理的草皮相比，DL-蛋氨酸和蛋氨酸钾的草皮百分率绿色覆盖率提高了，而长双歧杆菌的数量减少了224 kg氨基酸/ ha两个试验之一中的对照。

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