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Evaluation of nightshade (Solanum spp.) and groundcherry species (Physalis spp.) response to herbicides.

机译：评估茄科植物（茄属植物）和地上物种（酸浆）对除草剂的反应。

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摘要

Solanaceous weeds such as eastern black nightshade (Solanum ptycanthum ), hairy nightshade (Solanum sarrachoides), and horsenettle (Solanum carolinense) are serious weeds in tomato production in Michigan. Groundcherries, such as clammy groundcherry ( Physalis heterophylla) and smooth groundcherry (Physalis subglabrata) are usually less troublesome weeds in tomatoes. Studies were conducted in the field and greenhouse to determine nightshade and groundcherry response to herbicides. Germination studies were conducted in growth chambers to determine the influence of temperature on germination of nightshade and groundcherry populations collected in Michigan. Post-transplant application of S-metalochlor (1.8 kg/ha), and dimethenamid-P (1.09 kg/ha) and pre-transplant application of flumioxazin (0.05 kg/ha), and oxyfluorfen (0.28 kg/ha) in the field gave 95% control of eastern black nightshade with no tomato injury. Postemergence application of pyridate (1.01 kg/ha) gave 60% control of eastern black nightshade in field with no crop injury. There was variation in dose response of eastern black nightshade populations to sulfosulfuron, halosulfuron, and metribuzin in the greenhouse. There was variation in dose response of hairy nightshade populations to halosulfuron. Eastern black nightshade had a higher germination rate than horsenettle, hairy nightshade, smooth and clammy groundcherries at 28/20°C. An eastern black nightshade population from Oceana County germinated at a wider range of temperatures from 28/20°C to 15/10°C.
机译：在密歇根州的番茄生产中，东部黑色茄科植物（Solanum ptycanthum），多毛茄属植物（Solanum sarrachoides）和马刺草（Solanum carolinense）等茄科杂草是严重的杂草。地上樱桃，例如蛤ground地樱桃（Physalis heterophylla）和光滑地樱桃（Physalis subglabrata），通常在番茄中的杂草较少。在田间和温室中进行了研究，以确定茄草和地面樱桃对除草剂的反应。在生长室中进行了发芽研究，以确定温度对密歇根州收集的茄属植物和地下樱桃种群发芽的影响。田间移栽后施用S-金属甲草胺（1.8 kg / ha）和二甲亚胺-P（1.09 kg / ha）以及移栽前施用氟米嗪（0.05 kg / ha）和氧氟芬（0.28 kg / ha）可以控制95％的东部黑色茄草，无番茄伤害。出苗后施用吡啶盐（1.01千克/公顷）可控制田间东部黑色茄草的60％不受农作物伤害。东部黑色茄属植物种群对温室中的磺胺磺隆，卤代磺隆和甲霉灵的剂量反应存在差异。毛状阴影植物对卤磺隆的剂量反应存在差异。在28/20°C时，东部黑色茄属植物的发芽率高于马鞭草，多毛茄属植物，光滑而粘稠的地面樱桃。来自大洋洲县的东部黑色夜莺种群在28/20°C至15/10°C的较宽温度范围内发芽。

著录项

  • 作者

    Pandian, Vijaikumar.;

  • 作者单位

    Michigan State University.;

  • 授予单位 Michigan State University.;
  • 学科 Agriculture Agronomy.
  • 学位 M.S.
  • 年度 2005
  • 页码 130 p.
  • 总页数 130
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 农学（农艺学）;
  • 关键词

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