Abiotic Stress Effects on Plant Growth and Yield Components of 1-MCP Treated Cotton Plants

2011 ◽  
Vol 103 (6) ◽  
pp. 1591-1596 ◽  
Author(s):  
Vladimir A. da Costa ◽  
J. Tom Cothren ◽  
Josh B. Bynum
Keyword(s):  
Abiotic Stress ◽  
Plant Growth ◽  
Yield Components ◽  
Growth And Yield ◽  
Stress Effects ◽  
Cotton Plants

scholarly journals Plant Growth and Yield of Red Raspberry following Primocane Defoliation

HortScience ◽  
1996 ◽  
Vol 31 (6) ◽  
pp. 920-922 ◽  
Author(s):  
D.A. Raworth ◽  
S.J. Clements
Keyword(s):  
Plant Growth ◽  
Tetranychus Urticae ◽  
Yield Components ◽  
Spider Mite ◽  
Rubus Idaeus ◽  
Growth And Yield ◽  
Twospotted Spider Mite ◽  
Red Raspberry ◽  
Lateral Length ◽  
Twospotted Spider

Red raspberry (Rubus idaeus L. cv. Willamette) primocanes were artificially defoliated to various degrees and at two dates in each of 2 years to simulate defoliation caused by the twospotted spider mite (Tetranychus urticae Koch). The effect on primocane diameter, lateral length, yield and four yield components was determined. When defoliation occurred evenly along the length of the primocanes, and all floricanes and excess primocanes were removed in early Aug. 1989, yield was reduced 26% at 25%, 50%, and 75% defoliation and 55% at 100% defoliation compared with nondefoliated controls. The number of canes per stool, number of fruit per lateral, and weight per fruit were reduced when defoliation occurred earlier, in August rather than September, but the number of laterals per cane increased with early defoliation. The effect of increasing defoliation on plant growth and yield was generally nonlinear. When defoliation occurred in sections along the lower 2 m of all primocanes, and all floricanes and excess primocanes were removed in Nov. 1992, no significant differences in yield or three yield components were detected. The effects of primocane defoliation are not necessarily predictable, so T. urticae should be controlled before mite-induced defoliation occurs.

scholarly journals Effects of fresh and digested cowdung and poultry litter on the growth and yield of cabbage (Brassica oleracea)

2013 ◽  
Vol 48 (1) ◽  
pp. 1-6 ◽  
Author(s):  
MS Shahariar ◽  
M Moniruzzaman ◽  
B Saha ◽  
G Chakraborty ◽  
M Islam ◽  
...  
Keyword(s):  
Plant Growth ◽  
Brassica Oleracea ◽  
Yield Components ◽  
Block Design ◽  
Poultry Litter ◽  
Growth And Yield ◽  
Rabi Season ◽  
Plant Weight ◽  
Whole Plant ◽  
Randomized Complete Block Design

A field experiment was conducted during Rabi season in the experimental field of BCSIR to see the effects of fresh and digested cowdung (CD) and poultry litter (PL) bio-slurry on the growth and yield of cabbage (Brassica oleracea). The experiment was laid in a Randomized Complete Block Design (CRBD) with six different treatments including control. Cabbage variety Atlas-70 was transplanted at the age of 35 days and was harvested at 120 days. Plant height, circumference, marketable weights and whole plant weight were examined to perceive the effects on the growth and yield of cabbages. The experiment revealed that both digested PL and CD bio-slurry had a significant effect (P < 0.01) on the growth and yield components of cabbage. Increased plant growth and yield were in the order of digested PL bio-slurry > digested CD bio-slurry > fresh PL > fresh CD in combination with recommended dose of fertilizers (RDF). Among the treatments, the highest head yield of cabbage (97.6 t ha-1) was obtained from RDF + 5 t ha-1 digested PL bio-slurry which was 366 % higher than the control. DOI: http://dx.doi.org/10.3329/bjsir.v48i1.15382 Bangladesh J. Sci. Ind. Res. 48(1), 1-6, 2013

scholarly journals Exogenous Sodium Nitroprusside Mitigates Salt Stress in Lentil (Lens culinaris Medik.) by Affecting the Growth, Yield, and Biochemical Properties

Molecules ◽  
2021 ◽  
Vol 26 (9) ◽  
pp. 2576
Author(s):  
Tauqeer Ahmad Yasir ◽  
Ayesha Khan ◽  
Milan Skalicky ◽  
Allah Wasaya ◽  
Muhammad Ishaq Asif Rehmani ◽  
...  
Keyword(s):  
Plant Growth ◽  
Sodium Nitroprusside ◽  
Salinity Stress ◽  
Growth Yield ◽  
Biochemical Properties ◽  
Growth And Yield ◽  
Stress Effects ◽  
Relative Water ◽  
Moderate Salinity ◽  
Salinity Levels

Soil salinity disrupts the physiological and biochemical processes of crop plants and ultimately leads to compromising future food security. Sodium nitroprusside (SNP), a contributor to nitric oxide (NO), holds the potential to alleviate abiotic stress effects and boost tolerance in plants, whereas less information is available on its role in salt-stressed lentils. We examined the effect of exogenously applied SNP on salt-stressed lentil plants by monitoring plant growth and yield-related attributes, biochemistry of enzymes (superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD)) amassing of leaf malondialdehyde (MDA) and hydrogen peroxide (H2O2). Salinity stress was induced by NaCl application at concentrations of 50 mM (moderate salinity) and 100 mM (severe salinity), while it was alleviated by SNP application at concentrations of 50 µM and 100 µM. Salinity stress severely inhibited the length of roots and shoots, the relative water content, and the chlorophyll content of the leaves, the number of branches, pods, seeds, seed yield, and biomass per plant. In addition, MDA, H2O2 as well as SOD, CAT, and POD activities were increased with increasing salinity levels. Plants supplemented with SNP (100 µM) showed a significant improvement in the growth- and yield-contributing parameters, especially in plants grown under moderate salinity (50 mM NaCl). Essentially, the application of 100 µM SNP remained effective to rescue lentil plants under moderate salinity by regulating plant growth and biochemical pathways. Thus, the exogenous application of SNP could be developed as a useful strategy for improving the performance of lentil plants in salinity-prone environments.

scholarly journals Metabolic activities and molecular investigations of the ameliorative impact of some growth biostimulators on chilling-stressed coriander (Coriandrum sativum L.) plant

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Raifa A. Hassanein ◽  
Omaima S. Hussein ◽  
Amal F. Abdelkader ◽  
Iman A. Farag ◽  
Yousra E. Hassan ◽  
...  
Keyword(s):  
Humic Acid ◽  
Plant Growth ◽  
Yield Components ◽  
Molecular Mechanisms ◽  
Growth Parameters ◽  
Chilling Stress ◽  
Growth Yield ◽  
Growth And Yield ◽  
Whole Plant ◽  
Metabolic Activities

Abstract Background Priming of seed prior chilling is regarded as one of the methods to promote seeds germination, whole plant growth, and yield components. The application of biostimulants was reported as beneficial for protecting many plants from biotic or abiotic stresses. Their value was as important to be involved in improving the growth parameters of plants. Also, they were practiced in the regulation of various metabolic pathways to enhance acclimation and tolerance in coriander against chilling stress. To our knowledge, little is deciphered about the molecular mechanisms underpinning the ameliorative impact of biostimulants in the context of understanding the link and overlap between improved morphological characters, induced metabolic processes, and upregulated gene expression. In this study, the ameliorative effect(s) of potassium silicate, HA, and gamma radiation on acclimation of coriander to tolerate chilling stress was evaluated by integrating the data of growth, yield, physiological and molecular aspects. Results Plant growth, yield components, and metabolic activities were generally diminished in chilling-stressed coriander plants. On the other hand, levels of ABA and soluble sugars were increased. Alleviation treatment by humic acid, followed by silicate and gamma irradiation, has notably promoted plant growth parameters and yield components in chilling-stressed coriander plants. This improvement was concomitant with a significant increase in phytohormones, photosynthetic pigments, carbohydrate contents, antioxidants defense system, and induction of large subunit of RuBisCO enzyme production. The assembly of Toc complex subunits was maintained, and even their expression was stimulated (especially Toc75 and Toc 34) upon alleviation of the chilling stress by applied biostimulators. Collectively, humic acid was the best the element to alleviate the adverse effects of chilling stress on growth and productivity of coriander. Conclusions It could be suggested that the inducing effect of the pretreatments on hormonal balance triggered an increase in IAA + GA3/ABA hormonal ratio. This ratio could be linked and engaged with the protection of cellular metabolic activities from chilling injury against the whole plant life cycle. Therefore, it was speculated that seed priming in humic acid is a powerful technique that can benefit the chilled along with non-chilled plants and sustain the economic importance of coriander plant productivity.

Influence of plant growth regulators on yield and yield components in pigeonpea

2017 ◽  
Vol 40 (04) ◽  
Author(s):  
A. Sumathi ◽  
V. Babu Rajendra Prasad ◽  
Mallika Vanangamudi
Keyword(s):  
Plant Growth ◽  
Plant Growth Regulators ◽  
Growth Regulators ◽  
Yield Components ◽  
Foliar Application ◽  
Foliar Spray ◽  
Growth And Yield ◽  
Yield Potential ◽  
Dry Matter Accumulation ◽  
Giberellic Acid

Pigeonpea is an important pulse crop and one of the major sources of protein in India. In the present study, investigations were undertaken to study the role of foliar spray of different plant growth regulators (PGRs) in altering morphology and enhancing the yield potential of pigeonpea varieties VBN 1, APK 1 and VRG 62. Among different plant growth regulators (PGRs) studied, foliar application of Giberellic acid (GA3) significantly increased plant height, number of leaves and branches in pigeonpea. This was followed by Brassinosteroid (BR). Foliar application of PGRs significantly increased both the growth attributes and yield. Various yield components viz., days to 50 per cent flowering, days to maturity, number of flowers per plant, number of pods per plant, number of clusters per plant, number of seeds per pod, hundred seed weight and harvest index were enhanced by PGR application. Maximum dry matter accumulation and fertility co-efficient was recorded in the treatment (T9), i.e., BR application @ 0.1 ppm than the other treatments. It is concluded that foliar application of BR @ 0.1ppm is advantageous in enhancing both growth and yield of Pigeonpea and thus BR foliar spray can be recommended for adoption by the farmers, to maximize the yield in Pigeonpea.

Long-Term Tillage, Cover Crop, and Nitrogen Rate Effects on Cotton: Plant Growth and Yield Components

2004 ◽  
Vol 96 (5) ◽  
pp. 1443-1452 ◽  
Author(s):  
Donald J. Boquet ◽  
Robert L. Hutchinson ◽  
Gary A. Breitenbeck
Keyword(s):  
Plant Growth ◽  
Cotton Plant ◽  
Cover Crop ◽  
Yield Components ◽  
Growth And Yield ◽  
Nitrogen Rate ◽  
Rate Effects

MORPHOLOGICAL AND BIOCHEMICAL RESPOSES OF COW PEA (CV. PUSA BARSATI) GROWN ON FLY ASH AMENDED SOIL IN PRESENCE AND ABSENCE OF MELOIDOGYNE JAVANICA AND RHIZOBIUM LEGUMINOSARUM

1970 ◽  
Vol 17 ◽  
pp. 17-22 ◽  
Author(s):  
Kamal Singh ◽  
A. A. Khan ◽  
Iram Khan ◽  
Rose Rizvi ◽  
M. Saquib
Keyword(s):  
Fly Ash ◽  
Plant Growth ◽  
Rhizobium Leguminosarum ◽  
Growth Yield ◽  
Maximum Growth ◽  
Meloidogyne Javanica ◽  
Growth And Yield ◽  
Negative Effects ◽  
Positive Effects ◽  
Insignificant Difference

Plant growth, yield, pigment and protein content of cow-pea were increased significantly at lower levels (20 and 40%) of fly ash but reverse was true at higher levels (80 and 100%). Soil amended by 60% fly ash could cause suppression in growth and yield in respect to 40% fly ash treated cow-pea plants but former was found at par with control (fly ash untreated plants). Maximum growth occurred in plants grown in soil amended with 40% fly ash. Nitrogen content of cow-pea was suppressed progressively in increasing levels of fly ash. Moreover,  Rhizobium leguminosarum  influenced the growth and yield positively but Meloidogyne javanica caused opposite effects particularly at 20 and 40% fly ash levels. The positive effects of R. leguminosarum were marked by M. javanica at initial levels. However, at 80 and 100% fly ash levels, the positive and negative effects of R. leguminosarum and/or M. javanica did not appear as insignificant difference persist among such treatments.Key words:  Meloidogyne javanica; Rhizobium leguminosarum; Fly ash; Growth; YieldDOI: 10.3126/eco.v17i0.4098Ecoprint An International Journal of Ecology Vol. 17, 2010 Page: 17-22 Uploaded date: 28 December, 2010  

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