Translocation of Aminotriazole and Dalapon in Ag Ropy Ron Repens (L.) Beauv.

Lund‐Höie, K.; Bylterud, A.

doi:10.1111/j.1365-3180.1969.tb01475.x

Cited by 10 publications

(3 citation statements)

References 7 publications

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“…I f the herbi cide is foliar-applied and phloem-translocated, the compound must be applied at the proper stage of growth to get extensive basipetal translocation into the roots or rhizomes of the plant. For example, dalapon (2,2-dichloropropionic acid) and ami trole (3-amino-s-triazole), applied to a quackgrass shoot 10 to 15 cm in height, moved only within the treated shoots and seldom into the attached rhizome whereas, if these herbicides were applied to shoots 40 to 50 cm tall, more radioactivity was found in the rhizome (5). When considering a herbicide in terms of application and action, it is important to know how rapidly the herbicide affects the plant processes.…”

Section: Introductionmentioning

confidence: 99%

Absorption, Action, and Translocation of Glyphosate

1975

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Radioactive glyphosate [N-(phosphonomethyl)glycine] is rapidly absorbed with a large portion of the 14C translocated to the rhizomes and untreated shoots of quackgrass [Agropyron repens (L.) Beauv.]. The adjuvant used with glyphosate was important in determining its phytotoxicity to quackgrass. In other perennial weeds and annual species, glyphosate also moved to the areas of highest metabolic activity. In Canada thistle [Cirsium arvense (L.) Scop.], bentazon (3-isopropyl-1H-2,1,3-benzothiadiazin-(4) 3H-one 2,2-dioxide) at 2.24 kg/ha applied prior to treatment with 14C-glyphosate reduced 14C translocation. Iron or nitrilotriacetic acid (NTA) did not appear to effect glyphosate activity on wheat (Triticium aestivum L. ‘Avon’). The respiration of quackgrass treated with glyphosate was significantly reduced 9 days after treatment. Glyphosate reduced total photosynthesis more in quackgrass than in wheat.

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Section: Introductionmentioning

confidence: 99%

Absorption, Action, and Translocation of Glyphosate

1975

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“…Similarly, taken alone, the general pattern of distribution of 2,4-D does not depart from those reported for 2,4-D by Crafts (1959) or for aminotriazole by Lund-Hoie & Bylterud (1969). However, taken on a comparative basis, a change in pattern of distribution of 2,4-D and assimilates was found.…”

Section: Results and Diseussionmentioning

confidence: 41%

The influence of plant age on the movement of 2,4‐D and assimilates in wheat

1977

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A quantitative study of the movement of 2,4-D and assimilates was made using radiocarbon-labelled materials. At the two-three leaf stage of wheat (cv Koga II) 2,4-D moved more slowly than assimilates, but the patterns of movement were very similar. At the five-six leaf stage of the cereal there were differences between 2,4-D and assimilates in the patterns of distribution from leaf 1 and from a leaf on a tiller. In both cases relatively less 2,4-D moved into roots than would have been predicted from knowledge of assimilate movement. Total amounts of 2,4-D reaching the roots did not differ significantly between growth stages but due to root growth, the concentration of radio-activity in the roots fell. Influence de I'Sge de la plante sur le mouvement du 2,4-D et des produits assimilis dans le bliUne £tude quantitative du mouvement du 2,4-D et des produits assimilis a £t6 faite en utilisant des produits marqu6s au carbone radioactif. Au stade deux-trois feuilles du bl6 (cv. Koga II), le 2,4-D se d6place plus lentement que les produits assimil6s, mais les sch6mas du mouvement ont 6t6 tr6s similaires. Au stade cinq-six feuilles de la c6r6ale, il a 6t6 constat6 une difference entre le 2,4-D et les produits assimil6s dans les schdmas de distribution depuis la feuille 1, et depuis une feuille sur une table. Dans les deux cas, la quantity de 2,4qui a migr6 jusque dans les racines a 6t6 relativement moindre que ce qui aurait pu €tre diduit de la connaissance du mouvement des produits assimiI6s. Les quantit6s totales de 2,4-D atteignant les racines n'ont pas diff6r6 significativement entre les stades de croissance, mais, en raison de la croissance des racines, la concentration de la radioactivity dans les racines a diminu6.

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“…Combinations of growth regulators and herbicides C. dactylon and S. halepense are sensitive to aminotriazole and dalapon, although the degree of control in practice is variable. On another sensitive plant, Agropyron repens, it has been shown that the effectiveness of aminotriazole and dalapon depends on their mobility within the plant (Lund-Hoie & Bylterud, 1969). The absorption and subsequent transport of rubidium applied on leaves of bean plants was affected by certain growth substances in the growth medium (Halevy & Wittwer, 1965).…”

Section: -mentioning

confidence: 99%

EFFECT OF GROWTH REGULATORS ON CYNODON DACTYLON (L.) PERS., SORGHUM HALEPENSE (L.) PERS, AND CYPERUS ROTUNDUS L.*

Horowitz¹

1972

Weed Research

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Summary. Plants of Cynodon dactylon (L.) Pers., Sorghum helepense (L.) Pers. and Cyperus rotundus L. were treated with the following growth regulators by dipping or foliar spraying: chlormequat, N‐dimethylamino succinamic acid (B–995), MH, 2‐chloroethane phosphonic acid (ethephon), flurecol and chlorflurecol. Effects varied from stimulation to inhibition of aerial growth, increases in shoot number, and kill of plants. The effect of combinations of foliar spraying with ethephon, MH, flurecol or chlorflurecol followed after 2 days by spraying with the herbicides dalapon or aminotriazole activated with ammonium thiocyanate, was investigated. The herbicides applied alone had no marked effect but combinations were generally more toxic. Ethephon stimulated growth of C. dactylon but combination with dalapon was phytotoxic. MH sprayed alone and combinations of flurecol or chlorflurecol with dalapon or aminotriazole were highly inhibitory to S. halepense. None of the treatments completely inhibited regrowth of C. rotundus. Effets de diverses substances de croissance sur Cynodon dactylon (L.) Pers., Sorghum halepense (L.) Pers. et Cyperus rotundus L. Résumé. Des plantes de Cynodon dactylon (L.) Pers., de Sorghum halepense (L.) Pers. et de Cyperus rotundus L. ont été traitées par trempage ou pulvérisation folaire avec les substances de croissance suivantes: chlorméquat, adde N‐diméthylamine succinique (B‐995), hydrazide maléique, acide 2‐chloroéthane phosphonique (éthéphon), flurécol et chlorflurécol. Les effets furent variables, depuis la stimulation jusqu'à l'inhibition de la partie aérienne, l'accroissement du nombre de tiges et la mort de la plante. L'auteur a étudié l'effet de combinaisons de pulvérisations foliaires avec l'éthéphon, I'hydrazide malélque. le flurécol ou le chlorflurécol suivies deux jours plus tard de traitements au dalapon ou à l'aminotriazole activé avec le thyocyanate d'ammonium. Les herbicides appliqués seuls n'eurent pas un effet marqué mais les combinaisons furent en général plus toxiques. L'éthéphon stimule la croissance de Cynodon dactylon, mais la combinaison avec le dalapon fut phytotoxique. L'hydrazide maléique appliqué seul et les combinaisons de flurécol ou de chlorflurécol avec le dalapon ou I'aminotriazole furent hautement inhibiteurs pour Sorghum halepense. Aucun des traitements n'inhiba completement la repousse de Cyperus rotundus. Wirkung von Wackstunsregulatoren auf Cynodon dactylon (L.) Pers., Sorghum halepense (L.) Pers. und Cyperus rotundus L. Zusammenfassung. Pflanzen von Cyrwdon dactylon (L.) Pers., Sorghum halepense (L.) Pers. und Cyperus rotundus L. wurden durch Eintauchen oder Blattspritzung mit folgenden Wachslun Lsregulatoren behandelt: Chlormequat, B‐995, MH, 2‐Chlorächanphosphonsaure (Ethephon), Flurenol und Chlorflurenol. Die erzielten Effekte variierten zwischen Stimulierung und Hemmung des Sprosswachstums, Erhöhung der Zahl der Triebe und Abtötung der Pflanzen. Die Herbizide Dalapon und Aminotriazol, letzteres mit Ammoniumthiocyanat aktiviert, wurden zwei Tage nac...

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Translocation of Aminotriazole and Dalapon in Ag Ropy Ron Repens (L.) Beauv.

Cited by 10 publications

References 7 publications

Absorption, Action, and Translocation of Glyphosate

Absorption, Action, and Translocation of Glyphosate

The influence of plant age on the movement of 2,4‐D and assimilates in wheat

EFFECT OF GROWTH REGULATORS ON CYNODON DACTYLON (L.) PERS., SORGHUM HALEPENSE (L.) PERS, AND CYPERUS ROTUNDUS L.*

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