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Herbicidal Effects On Soybean Glycine Max Merr And On Germination Of Seed Produced By Treated Plants And Subsequent Plant Growth
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Book Synopsis Herbicidal Effects on Soybean (Glycine Max, Merr.) and on Germination of Seed Produced by Treated Plants and Subsequent Plant Growth by : Nguyen Van
Download or read book Herbicidal Effects on Soybean (Glycine Max, Merr.) and on Germination of Seed Produced by Treated Plants and Subsequent Plant Growth written by Nguyen Van and published by . This book was released on 1962 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dicamba Effects on Soybean (Glycine Max) Growth, Yield, and Offspring by : Mark Spencer McCown
Download or read book Dicamba Effects on Soybean (Glycine Max) Growth, Yield, and Offspring written by Mark Spencer McCown and published by . This book was released on 2018 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction of a new dicamba-resistant (Xtend) trait in soybean and cotton will increase dicamba herbicide use. Consequently, concern for injury to sensitive crops from off-target movement and tank contamination will likely increase. For soybean, foliar symptoms associated with dicamba damage do not necessarily reflect yield losses; hence, experiments were conducted to determine the effects of dicamba on soybean growth, yield, and offspring. Low rates of dicamba [1/64X (8.75 g ae ha-1) and 1/256X (2.18 g ae ha-1) of a normal 1X field rate (560 g ae ha-1)] were applied at two vegetative growth stages (V4, V6) and at each reproductive growth stage from R1 to R6. Compared to the nontreated check, dicamba applied during late vegetative and early reproductive growth of soybean caused leaf injury, plant height reduction, and yield loss. Regardless of soybean cultivar, the higher rate of 1/64X resulted in greater yield loss, with R1 being the most sensitive growth stage. Dicamba at 8.75 g ha-1 applied at R1 reduced mature soybean height 35 cm for an indeterminate cultivar and 23 cm for a determinate cultivar. Grain yield was reduced 14% for the indeterminate cultivar and 19% for the determinate cultivar. Injury and height reductions were less apparent when dicamba was applied during later growth stages. Offspring response to dicamba applied to parent plants the previous year was dependent upon application timing and dicamba rate. Negative effects to offspring were observed as reduced seed germination, seedling emergence, plant height, seedling vigor, pod malformation, and grain yield. Offspring had 17 to 23% injury when parent plants were treated from R4 to R6 with dicamba at 2.18 g ha-1. Seeds from the bottom of the plant were affected more by dicamba than seeds from the top of the plant; however, no relationship existed between grain yield and pod malformation. This research shows that soybean cultivar, growth habit, or planting date may influence soybean recovery from dicamba.
Book Synopsis Effect of Soybean [Glycine Max (L.) Merr] Row Width and Plant Population of Weed Competition and Soybean Yield and Influence of Stem-boring Insects on Common Lambsquarters [Chenopodium Album (L.)] Control with Glyphosate by : Dana Brian Harder
Download or read book Effect of Soybean [Glycine Max (L.) Merr] Row Width and Plant Population of Weed Competition and Soybean Yield and Influence of Stem-boring Insects on Common Lambsquarters [Chenopodium Album (L.)] Control with Glyphosate written by Dana Brian Harder and published by . This book was released on 2006 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Seed Treatments on Germinatin and Establishment of Soybean (Glycine Max (L.) Merr., Cv. 'Chaffey') at Low Temperatures, and on Subsequent Crop Growth and Yield by : Virasak Tepjun
Download or read book Effect of Seed Treatments on Germinatin and Establishment of Soybean (Glycine Max (L.) Merr., Cv. 'Chaffey') at Low Temperatures, and on Subsequent Crop Growth and Yield written by Virasak Tepjun and published by . This book was released on 1989 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications and Theses by : University of Florida
Download or read book Publications and Theses written by University of Florida and published by . This book was released on 1964 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Fungicide Seed Treatments on Soybean [Glycine Max (L.) Merr.] Seed Germination Response to Temperature by : Sakultala Panasampol
Download or read book Effects of Fungicide Seed Treatments on Soybean [Glycine Max (L.) Merr.] Seed Germination Response to Temperature written by Sakultala Panasampol and published by . This book was released on 1985 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soybean (Glycine Max (L.) Merr) Growth and Develoment, White Mold (Sclerotinia Sclerotiorum (Lib.) de Bary) Incidence, and Yellow Nutsedge (Cyperus Esculentus L.) Control as Affected by Glyphosate and Other Herbicides by : Kelly Allan Nelson
Download or read book Soybean (Glycine Max (L.) Merr) Growth and Develoment, White Mold (Sclerotinia Sclerotiorum (Lib.) de Bary) Incidence, and Yellow Nutsedge (Cyperus Esculentus L.) Control as Affected by Glyphosate and Other Herbicides written by Kelly Allan Nelson and published by . This book was released on 2000 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Grass Control in Soybeans [Glycine Max (L.) Merr.] with Selective Postemergence Herbicides by : James Justin Kells
Download or read book Grass Control in Soybeans [Glycine Max (L.) Merr.] with Selective Postemergence Herbicides written by James Justin Kells and published by . This book was released on 1982 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Herbicidal Effects on the Soybean Cyst Nematode (Heterodera Glycines) by : Cletus Dannitte Youmans
Download or read book Herbicidal Effects on the Soybean Cyst Nematode (Heterodera Glycines) written by Cletus Dannitte Youmans and published by . This book was released on 1985 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects on Growth and Yield of Soybeans from Interactions of Sequential Herbicide Applications by : I.F. de SOUZA
Download or read book Effects on Growth and Yield of Soybeans from Interactions of Sequential Herbicide Applications written by I.F. de SOUZA and published by . This book was released on 1981 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field and greenhouse studies were conducted in two years to evaluate the effects of several pre-plant incorporated and pstemergent herbicides applied alone and in sequence upon growth parameters of soybeans [Glycine max (L.) Merr. Amsoy 71]. In general, the greenhouse and field data supported each other. All PPI treatments oversprayed with the post-emergent 2,4-DB reduced yield when compared with the PPI's alone. All yield reductions were additive effects, except bifenox at 1.12 kg/ha plus 2,4-DB and vernolate at 3.36 kg/ha plus 2,4-DB. A significant reduction in pods dry weight at thirty-eight days after planting did not correlate with the yields (ninety-eight days later), although all significant yield reductions were precede by significant reductions in pods dry weight. Bifenox at 0.56 kg/ha over sprayed with acifluorfen at 0.56 kg/ha increased leaf area, leaf dry weight, support tissue dry weight, and yield (antagonistic effects). Of the postemergent treatments, bentazon gave the least interaction showing only significant decrease in leaf area and support tissue dry weight with the PPI treatments of vernolate at 3.36 and 5.04 kg/ha; at 5.04 kg/ha it also significantly decreased pods dry weight. After bentazon, came acifluorfen followed by dinoseb + naptalam with no significant yield reduction. Dinoseb + naptalan significantly reduced several parameters including pods dry weight ald leaf area when applied over all PPI treatments at the two highest rates. Aciflourfen on the other hand only significantly reduced the growth parameters, other than leaf area, when applied over vernolate at 3.36 and 5.04 kg/ha. The greenhouse results indicated that 2,4-DB applied at 1-trifoliate stage of soybeans reduced several growth parameters when compared with 2,4-DB applied ten days later (3-trifoliate). Vernolate at 3.36 and 5.04 kg/ha reduced chloroform soluble extraction of the soybean laves, under field and greenhouse conditions.
Book Synopsis Effects of Preplant Incorporated Herbicide-insecticide Combinations on Soybean (Glycine Max (L.) Merrill) Growth and Development by : Stephen Malcolm Irons
Download or read book Effects of Preplant Incorporated Herbicide-insecticide Combinations on Soybean (Glycine Max (L.) Merrill) Growth and Development written by Stephen Malcolm Irons and published by . This book was released on 1978 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Response and Physiology of Grafted Glyphosate-resistant and Conventional Soybean (glycine Max) to Glyphosate, and Efficacy of Bicyclopyrone in Vegetables by : Yin Chen
Download or read book Response and Physiology of Grafted Glyphosate-resistant and Conventional Soybean (glycine Max) to Glyphosate, and Efficacy of Bicyclopyrone in Vegetables written by Yin Chen and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Techniques to improve specialty crop herbicide tolerance, and identifying new methods of weed control are needed to help secure the future of vegetable production. My dissertation research addressed both concerns. First, I used soybean as model plant to investigate response and physiology of grafted glyphosate-resistant (RR) and conventional (CN) soybean plants to glyphosate. Glyphosate (0.28, 0.84 and 1.68 kg ae ha-1) was applied to CN/CN (scion/rootstock), CN/RR, RR/CN (only in growth stage experiment) and RR/RR grafted plants that had been generated using CN and RR genotypes. Variables tested included three growth stages (3, 6 and 10-leaf stages), nine CN/RR genotype combinations, and two growing environments (day/night thermoperiods of 28/22 C and 24/18 C). Small CN/RR plants (65%) and medium-sized plants (50%) were injured more than large plants (40%) 34 days with 0.84 kg ae ha-1 of glyphosate. Genotype of the scion had a greater effect on glyphosate tolerance compared to rootstock. Fewer leaves produced on CN/RR construct 5388/9392 under the warmer day/night temperatures following treatment with glyphosate. Seventy-two hours after treatment (HAT), 35% less shikimate was found in CN/RR compared to CN/CN plants. No cp4-epsps mRNA was detected in leaves of CN/RR plants, but a very small amount of CP4-EPSPS protein (=0.004% of that in RR leaf) was detected in the CN/RR leaves. More foliar-applied 14C-glyphosate and derivative was translocated to the root system of CN/RR compared to CN/CN. These data indicate that translocation of glyphosate from the CN scion to the RR rootstock is a major contributor to the partial tolerance to glyphosate observed in CN/RR transgrafted soybeans. Second, to aid in development of new weed control methods for vegetables, I assessed the response of several vegetable crops as well as three important weed species to the new herbicide bicyclopyrone. Onion, carrot, radish and dill were relatively tolerant of pre-emergence (PRE) and post-directed (POSTDIR) bicyclopyrone at 37.5 and 50 g ai ha-1. In contrast, bicyclopyrone post-emergence (POST) induced severe injury. Greenhouse experiments further examined the effect of soil type and variety on the response of onion, carrot and leek to 0, 12.5, 25, 50 and 100 g ha-1 of bicyclopyrone applied PRE. All test crops were uninjured by bicyclopyrone PRE when grown in muck soil, whereas all crops grown in sand + Pro-Mix BXTM blend were injured. Control of hairy galinsoga (Galinsoga quadriradiata Cav.), common purslane (Portulaca oleracea L.) and prostrate pigweed (Amaranthus blitoides S. Wats.) treated with bicyclopyrone POST or PRE was assessed in different soils and with each weed at three stages of growth. POST bicyclopyrone at 37.5 and 50 g ha-1 controlled hairy galinsoga and small common purslane plants (¿ 80% injury).. Hairy galinsoga was well controlled (80% injury) when growing in a Wooster silt loam and in a Pro-Mix BXTM 2:3 v/v blend. Common purslane was injured by PRE application to the muck soil and was well controlled in the Wooster silt loam and Pro-Mix BXTM blend. Bicyclopyrone POST and PRE did not control prostrate pigweed in either soil type or at any growth stage.
Book Synopsis Effects of Preemergence Herbicide-systemic Insecticide Combinations on Soybean (Glycine Max (L.) Merrill) Growth and Development by : Laurence Eugene Schilling
Download or read book Effects of Preemergence Herbicide-systemic Insecticide Combinations on Soybean (Glycine Max (L.) Merrill) Growth and Development written by Laurence Eugene Schilling and published by . This book was released on 1982 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Herbicides Applied Postemergent on Soybean (Glycine Max (L.) Merr.) Growth, Nodulation, and Nitrogen Fixation, Activity of Chloramben (3-amino-2, 5-dichloro-benzoic Acid) Applied Postemergent on Velvetleaf (Abutilon Theophrasti Medic.) ; and Fate of Chloramben in Soybean and Velvetleaf by : Ozair Ahmad Chaudhry
Download or read book Effect of Herbicides Applied Postemergent on Soybean (Glycine Max (L.) Merr.) Growth, Nodulation, and Nitrogen Fixation, Activity of Chloramben (3-amino-2, 5-dichloro-benzoic Acid) Applied Postemergent on Velvetleaf (Abutilon Theophrasti Medic.) ; and Fate of Chloramben in Soybean and Velvetleaf written by Ozair Ahmad Chaudhry and published by . This book was released on 1985 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Assessment of the Rotational Influence and Nitrogen Contribution of Soybean [Glycine Max (L.) Merr.] to Subsequent Crops by : Timothy S. Maloney
Download or read book Assessment of the Rotational Influence and Nitrogen Contribution of Soybean [Glycine Max (L.) Merr.] to Subsequent Crops written by Timothy S. Maloney and published by . This book was released on 1995 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Seed Treatments on the Physiological Changes in Soybean (Glycine Max (L.) Merr.) Induced by the Presence of Neighbouring Weeds by : Hae Won Kim
Download or read book Effects of Seed Treatments on the Physiological Changes in Soybean (Glycine Max (L.) Merr.) Induced by the Presence of Neighbouring Weeds written by Hae Won Kim and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Safening Effects to Herbicides Conferred Via Insecticide Seed Treatments in Soybean (Glycine Max) and Grain Sorghum (Sorghum Bicolor) by : Nicholas Robert Steppig
Download or read book Evaluation of Safening Effects to Herbicides Conferred Via Insecticide Seed Treatments in Soybean (Glycine Max) and Grain Sorghum (Sorghum Bicolor) written by Nicholas Robert Steppig and published by . This book was released on 2017 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactions between herbicides and insecticides in crop production have been documented for a number of years. Research has shown that applications of some organophosphate insecticides at planting can reduce cotton injury following applications of the soil-applied herbicide clomazone. Additionally, recent research has shown that, when applied as seed treatments prior to planting, some neonicotinoid insecticides can safen rice to drift from both glyphosate and imazethapyr. Since insecticide seed treatments are commonly used in many crop production systems throughout the Midsouth, exploring their ability to reduce injury from herbicides in other crops besides rice is of great interest. Presently no research exists examining the potential for insecticide seed treatments to reduce herbicide injury in soybean or grain sorghum, important rotational crops in Arkansas. Research contained herein investigates the possibility for commonly-used neonicotinoid insecticide seed treatments to reduce injury from herbicides via drift and soil application in both crops, in addition to applications of postemergence herbicides in soybean that typically cause injury. Results from these studies indicate that injury from herbicide drift may be reduced through the use of insecticide seed treatments in both crops. Injury from seven of the eight herbicides evaluated in soybean, and three of three herbicides in grain sorghum, was reduced in at least one of four site years. Additionally, safening to soil-applied herbicides was seen in five of nine herbicides evaluated in soybean in one or more site years. Injury from soil-applied herbicides in grain sorghum was not reduced in any of the four herbicides evaluated, nor was a safening effect seen in applications of postemergence herbicides in soybean. The amount of injury reduction varied substantially among site years, indicating a strong environmental effect on level of safening. However, based on the fact that insecticide seed treatments are incorporated across a wide array of environmental conditions each spring, it seems likely that some growers will see the benefits of reduced injury following herbicide exposure.
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