Differential morphological and physiological responses of two oilseed Brassica species to a new herbicide ZJ0273 used in rapeseed fields

Jin, Ziqi; Zhang, F.; Ahmed, Zammurad Iqbal; Rasheed, Muhammad; Naeem, Muhammad; Ye, Q.F.; Zhou, Weijun

doi:10.1016/j.pestbp.2010.04.002

Cited by 26 publications

(17 citation statements)

References 26 publications

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“…Free proline content was measured by acidic ninhydrin colorimetric assay [32]. Soluble protein content was measured by Coomassie brilliant blue colorimetric assay [33]. Soluble sugar content was measured by anthrone colorimetric assay [34].…”

Section: Measurement Of Physiological Parameters and Biomassmentioning

confidence: 99%

Effect of Molybdenum on Plant Physiology and Cadmium Uptake and Translocation in Rape (Brassica napus L.) under Different Levels of Cadmium Stress

Han

Wang

Wan

et al. 2020

IJERPH

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This study investigated the beneficial effect of molybdenum (Mo) application on rape plants (Brassica napus L.) grown in a soil polluted by cadmium (Cd). A pot experiment was conducted to determine how different concentrations of exogenous Mo (0, 50, 100, and 200 mg/kg) affect plant physiology, biomass, photosynthesis, cation uptake, and Cd translocation and enrichment in rape plants under Cd stress (0.5 and 6.0 mg/kg). Under single Cd treatment, plant physiological and biochemical parameters, biomass parameters, leaf chlorophyll fluorescence parameters, and macroelement uptake of rape plants decreased, while their malonaldehyde content, proline content, non-photochemical quenching coefficient, and Cd uptake significantly increased, compared to those of the control group (p-values < 0.05). High-Cd treatment resulted in much larger changes in these parameters than low-Cd treatment. Following Mo application, the accumulation of malondialdehyde and proline decreased in the leaves of Cd-stressed plants; reversely, the contents of soluble protein, soluble sugar, and chlorophyll, and the activities of superoxide dismutase and glutathione peroxidase, all increased compared to those of single Cd treatment (p-values < 0.05). Exogenous Mo application promoted shoot and root growth of Cd-stressed plants in terms of their length, fresh weight, and dry weight. The negative effect of Cd stress on leaf chlorophyll fluorescence was substantially mitigated by applying Mo. Exogenous Mo also improved the uptake of inorganic cations, especially potassium (K+), in Cd-stressed plants. After Mo application, Cd uptake and accumulation were inhibited and Cd tolerance was enhanced, but Cd translocation was less affected in Cd-stressed plants. The mitigation effect of Mo on Cd stress in rape was achieved through the immobilization of soil Cd to reduce plant uptake, and improvement of plant physiological properties to enhance Cd tolerance. In conclusion, exogenous Mo can effectively reduce Cd toxicity to rape and the optimal Mo concentration was 100 mg/kg under the experimental conditions.

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Section: Measurement Of Physiological Parameters and Biomassmentioning

confidence: 99%

Effect of Molybdenum on Plant Physiology and Cadmium Uptake and Translocation in Rape (Brassica napus L.) under Different Levels of Cadmium Stress

Han

Wang

Wan

et al. 2020

IJERPH

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“…Analogously, studies carried out by Grossmann et al (2001) showed that auxin herbicides from different chemical classes caused reduction of internode elongation and stimulated H 2 O 2 generation in Galium aparine L. shoot tissue. Moreover, results of Jin et al (2010) indicated that herbicide ZJ0273 (a derivative of 2-pyrimidinyloxy-N-aryl benzoate) could deteriorate the enzymatic antioxidant system of rape plants, thereby exposing them to oxidative stress, by accumulating ROS, and ultimately affecting the plant growth. On the other hand, foliar application of 5-aminolevulinic acid (ALA; one of those plant growth regulators being used for stress amelioration) improved relative growth rate (root and shoot) of B. napus and also triggered the further accumulation of antioxidants activity, whereas decreased ROS (H 2 O 2 and O 2 ) production (Naeem et al 2011;Zhang et al 2008).…”

Section: Discussionmentioning

confidence: 99%

Inhibition of germination and early growth of rape seed (Brassica napus L.) by MCPA in anionic and ester form

et al. 2013

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MCPA (4-chloro-2-methylphenoxy) acetic acid is a common synthetic auxin used as a herbicide. The purpose of this study was to determine the effects of four new forms of MCPA being the herbicidal ionic liquids (HILs) with MCPA as an anion and two previously known formulations (potassium-sodium salt and 2-ethylhexyl ester) on seed germination and seedling development of winter oilseed rape (Brassica napus). Rape plants are susceptible to MCPA and volunteers can be a big problem in crop rotation. Seedling fresh weight and root length were quantified, mitotic activity, as well as lipid, starch, hydrogen peroxide and polyphenol contents were assessed by light and fluorescence microscopy and the computer-aided cytophotometer. In primary roots mitotic activity was almost completely inhibited under the influence of herbicides, cell elongation zones and root hair zones were significantly reduced, and a characteristic bolded root segment formed just above a meristem. In contrast to the traditional salt formulation the new HILs were weak inducers of hydrogen peroxide synthesis, but were potent stimulators of the synthesis of phenolic compounds and storage as well as emergency substances such as lipids and starch. All tested forms of MCPA caused strong phytotoxic effect on winter rape seedlings, but the tested HILs were more effective.

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“…Differences have been also reported between different crop cultivars in response to the same or different herbicides (Duwayri & Saghir, 1983;Felix et al, 2007;Abit at al., 2009;Kong et al, 2009& Jin et al, 2010 hence differ in morphology, physiology, growth habit and phenology. In addition, cultivars are different in germination, emergence, growth development and duration, physiological and biochemical responses (Grime, 1986).…”

Section: Crop Species /Varietiesmentioning

confidence: 99%

“…All these factors could affect herbicide sensitivity or tolerance of crop plants. However, differences were detected on families, species and cultivars levels in response to herbicides and therefore any selective herbicide on a specific crop cultivar may confer injury to other cultivars (Felix et al, 2007;Abit at al., 2009;Kong et al, 2009;Jin et al, 2010). However, production of cuticular wax tends to be reduced under warm humid conditions which may resulted in a higher retention of spray solution on crop leaves and more injury under such conditions.…”

Section: Crop Morphologymentioning

confidence: 99%

Herbicides Applications: Problems and Considerations

Qasem¹

2011

Herbicides and Environment

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Differential morphological and physiological responses of two oilseed Brassica species to a new herbicide ZJ0273 used in rapeseed fields

Cited by 26 publications

References 26 publications

Effect of Molybdenum on Plant Physiology and Cadmium Uptake and Translocation in Rape (Brassica napus L.) under Different Levels of Cadmium Stress

Effect of Molybdenum on Plant Physiology and Cadmium Uptake and Translocation in Rape (Brassica napus L.) under Different Levels of Cadmium Stress

Inhibition of germination and early growth of rape seed (Brassica napus L.) by MCPA in anionic and ester form

Herbicides Applications: Problems and Considerations

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