scholarly journals Impact of Zinc Fertilization on Yield, Yield Attributes and Quality Parameters of Finger Millet Varieties under Rainfed alfisols of Southern Zone, Andhra Pradesh

Author(s):  
G. Mrudula ◽  
P. Sandhya Rani ◽  
B. Sreekanth ◽  
K. V. Nagamadhuri ◽  
M. Martin Luther

Aims: To study the effect of zinc fertilization through soil and foliar at different stages of finger millet on yield, yield attributes and quality in two major finger millet varieties under rainfed alfisols of southern zone, Andhra Pradesh Study Design:  Split-plot design Place and Duration of Study: Wetland farm, S.V Agricultural College, Tirupati and during kharif season of 2019 and 2020 (Two seasons) Methodology: Zinc fertilization to two major finger millet varieties viz., Vakula and Tirumala through soil and foliar application at different crop stages with following treatments viz.,  Control (No fertilizers and manures); RDF (60 -30-20 kg N-P-K + FYM @ 4 t ha-1);  RDF + soil application of ZnSO4 @ 25 kg ha-1 as basal; RDF+Soil application of chelated-ZnSO4 @ 5 kg ha-1; RDF+foliar application of 0.2% ZnSO4 at ear head emergence stage; RDF+foliar application of 0.2% ZnSO4 at grain filling stage; and RDF+foliar application of 0.2% ZnSO4 at ear head emergence and grain filling stage. The yield, yield attributes and quality parameters viz., protein, zinc and iron content in grains were determined by adopting standard protocols. Results: The application of zinc significantly (p<0.05) improved the yield and quality parameters over control. The foliar application of 0.2% ZnSO4 at ear head emergence and grain filling stage was significantly (p≤0.05) improved the yield and yield attributes of finger millet over RDF. The grain yield, straw yield, no. of productive tillers per plant, no. of fingers per plant were increased to 57.0%, 83.2%, 44.6% and 51.7%, respectively over RDF i.e., 60-30-20 kg N-P-K + FYM @ 4 t ha-1. The quality parameters namely protein, grain zinc and iron also increased up to 40.7%, 69.5% and 43.2%, respectively over RDF. Conclusion: Application of zinc sulphate at ear head emergence and grain filling stages enhanced the yield, yield parameters and quality parameters compared to other treatments of tirumala variety under rainfed alfisols of southern zone of Andhra Pradesh.

Author(s):  
G. Mrudula ◽  
P. Sandhya Rani ◽  
B. Sreekanth ◽  
K.V. Naga Madhuri ◽  
M. Martin Luther

Background: Zn deficiency was predominant in soils of Chittoor district of Andhra Pradesh, which causes yield reduction in most of the crops especially in finger millet. Zinc has important role in enzyme activation viz., oxidoreductase, transferases, hydrolases, lyases, isomerases and ligases. The deficient soil gives us the zinc deficient food which is said to be the major root cause for malnutrition among the children. Hence present study was intended to find out most appropriate method and time of zinc fertilization for higher productivity, grain quality and zinc fortification with two major finger millet varieties viz., vakula and tirumala. Methods: The field experiment was laid out in split plot design with three replications and two varieties viz., vakula (V1) and tirumala (V2) with seven zinc application treatments which includes: control (T1); NPK (30-30-20) + FYM @ 10t ha-1 (T2); T2 + soil application (SA) of ZnSO4 @ 25 kg ha-1 as basal (T3); T2 + SA of chelated zinc sulphate @ 5 kg ha-1 as basal (T4); T2 + FA of 0.2% ZnSO4 at ear head emergence stage (T5); T2 + foliar application (FA) of 0.2% ZnSO4 at grain filling stage (T6); T2 + FA of 0.2% ZnSO4 at ear head emergence and grain filling stages (T7). Result: Foliar application of 0.2% ZnSO4 at ear head emergence and grain filling stages registered significantly highest grain and straw yield of 3150 kg ha-1 and 7364 kg ha-1, respectively compared to control and other zinc fertilization treatments. Between the two tested varieties tirumala variety recorded higher grain yield (2298 kg ha-1) compared to vakula variety (2230 kg ha-1).


2021 ◽  
Author(s):  
Shenglan Xia ◽  
Jie Wang ◽  
Zanming Chen ◽  
Hai Lan ◽  
Zhenguo Shen ◽  
...  

Abstract Cadmium (Cd) in agricultural soils can be taken up by wheat and transferred into the grains, risking human health. In this study, we tested the effects of nineteen foliar treatments alone, and also combined treatments on the Cd concentration of grains in pot/field experiments, and the field experiment, respectively. In addition, we tested the better growth period for foliar application to inhibit Cd accumulation in wheat grains. Foliar application of Ethylenediaminetetraacetic acid (EDTA), Sodium selenite (Se) and Sodium nitroprusside (SNP) can significantly reduce Cd concentration of wheat grains, with 49.2%, 29.6%, and 28.8% decreased respectively in the field. Foliar application of EDTA, Se, Zinc sulphate (Zn), Ascorbic acid (ASA), Sodium silicate (Si) and Ammonium molybdate (Mo) can significantly reduce Cd concentration of wheat grains in different treatments, with 32.3%, 32.0%, 27.7%, 27.7%, 26.3% and 25.9% decreased respectively in the pot. Thus, foliar application of 2 mM EDTA and 2 mM Se exerted excellent effects in controlling the Cd accumulation of wheat grains for both in pot and field experiment. We were concerned about the transfer of different aboveground tissues to the grain, foliar application with 0.1 mM Se or 2 mM EDTA significantly reduced Cd concentrations in grains both in grain filling stage and heading + grain-filling stage. Spraying at the filling stage of wheat has a better effect than at the heading stage for reducing the cadmium content in grains. In addition, the relationship between Cd concentration of grains and husks were significantly positive, while the relationship between Cd concentration of grains and flag leaves was significantly negative. Cd content in wheat grains decreased may be due to the Cd accumulation of flag leaves and the decrease of Cd transport from flag leaves and husks to the grains, which in turn reduces the transport of Cd to the grains.


Author(s):  
Pappu Khatik ◽  
J. X. Massey ◽  
Shrimohan Meena

A field experiment was conducted during kharif season of 2013 at Udaipur (Rajasthan) to find out the effect of nitrogen scheduling and cultivars on yield attributes, yield and soil fertility status after harvest of sorghum. Treatment consisted two cultivars (V1: CSH 16 and V2: CSV 20) and five nitrogen schedules (N1: 50% at sowing as basal + 50% at 30 DAS, N2: 50% at sowing as basal + 25% at 30 DAS + 25% at boot leaf stage, N3: 25% at sowing as basal + 50% at 30 DAS + 25% at boot leaf stage, N4: 25% at sowing as basal + 50% at 30 DAS + 15% at boot leaf stage + 10% at grain filling stage, N5: 25% at sowing as basal + 45% at 30 DAS + 5% foliar spray at 45 DAS + 15 % at boot leaf stage + 10% at grain filling stage) were assigned in a factorial randomized block design. The results revealed that the cultivar CSH 16 recorded significantly higher number of grains per panicle, 1000 grain weight, grain yield (1521 kg/ha), harvest index (13.17) and nitrogen content in plant, whereas significantly higher number of primaries per panicle, stover yield (11141 kg/ha) and available nitrogen in soil were recorded in CSV 20. Application of nitrogen in N2 schedule (50% at sowing as basal + 25% at 30 DAS + 25% at boot-leaf stage) had marked influence on yield attributes, yield and nitrogen content in plant when compared to rest of the nitrogen schedules. Therefore, it was concluded that significantly higher grain yield was recorded in cultivar CSH 16 and N2 schedule of nitrogen application from sorghum.


2018 ◽  
Vol 43 (3) ◽  
pp. 395-406 ◽  
Author(s):  
S Sultana ◽  
HM Naser ◽  
MA Quddus ◽  
NC Shill ◽  
MA Hossain

A field experiment was carried out to study the zinc-iron relationship in wheat (BARI Gom-26) plant grown under water stress condition in the field near net house of Soil Science Division, BARI, Joydebpur, Gazipur, during November 2015 to March 2016. The experiment was designed in a split plot on sixteen treatments comprising four irrigation treatments (regular irrigation, stopping irrigation at crown root initiation, stopping irrigation at booting stage and stopping irrigation at grain filling stage) and four foliar application of zinc and iron (control, 0.05% of zinc, 0.05% of iron and 0.05% of zinc +0.05% of iron). Zinc sulphate monohydrate (ZnSO4. H2O) and ferrous sulphate (FeSO4. H2O) were used as a source of Zn and Fe. The highest yield (4.01 t ha-1) was recorded in stopping irrigation at grain filling stage which was identical with regular irrigation. Water stress at crown root initiation stage had the most negative effect on growth and yield. Foliar application of zinc and iron played a major role on yield and yield components of wheat at later stages of growth. The results obtained from the present research showed that iron and zinc spray increased grain yield and quality of wheat and improved the effects caused by drought stress.Bangladesh J. Agril. Res. 43(3): 395-406, September 2018


2012 ◽  
Vol 460 ◽  
pp. 286-289 ◽  
Author(s):  
Zhen Jiang Xu ◽  
Li Zhong Xiao ◽  
Hong Liu ◽  
Yong Hao Ren ◽  
Zhi Lin Li

Based on the experiment of two inbred aromatic rice varieties and one hybrid aromatic rice line treated under four different temperatures( daymean temperature 21°C, 23°C, 26°C and 30°C respectively) during grain filling stage in phytotrons, the shape and arrangement of endosperm starch granules in rice grain transection were observed by scanning electron microscope and the related characteristics of rice grain qualities of chalky percent and chalkiness were analyzed at the same time. The results showed that under the lower temperature( daymean temperature21°C and 23°C), many large compound starch granules with clear angulars packed together regularly without significant natural gaps bewteen starch granules in the tansectional endosperm. However, with the increase of temperature, starch granules in the transectional endosperm were changed from regularly shaped and closely and orderly arranged to various shaped and chaoticly arranged with obvious natural gaps between starch granules, which was closely consistent with the poorer appearance quality under the higher temperature, which indicated that the endosperm structure is closely related with appearance quality of aromatic rice.


1977 ◽  
Vol 34 (0) ◽  
pp. 551-563
Author(s):  
A.M.L. Neptune ◽  
T. Muraoka

An experiment was carried out with common bean (Phaseolus vulgaris, L.) in a Red Yellow Latossol, sandy phase, in order to study the influence of foliar spraying of the Hanway nutrient solution (NPKS) at grain filling stage on: 1) grain yield; 2) the uptake of fertilizer and soil nitrogen by this crop through the root system and 3) the efficiency of utilization of the nitrogen in the foliar spray solution by the grain. The results of this experiment showed that the foliar application of the Hanway solution with ammonium nitrate at the pod filling period caused severe leaf burn and grain yield was inferior to that of the plants which received a soil application of this fertilizer at the same stage. These facts can be attributed to the presence of ammonium nitrate in the concentration used. The composition of final spray was: 114,28 Kg NH4NO3 + 43,11 Kg potassium poliphosphate + 12,44 Kg potassium sulphate per 500 litres. The uptake of nitrogen fertilizer through the root system and the efficiency of its utilization was greater than that through the leaves.


PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e7738
Author(s):  
Zhaoan Sun ◽  
Shuxia Wu ◽  
Biao Zhu ◽  
Yiwen Zhang ◽  
Roland Bol ◽  
...  

Information on the homogeneity and distribution of 13carbon (13C) and nitrogen (15N) labeling in winter wheat (Triticum aestivum L.) is limited. We conducted a dual labeling experiment to evaluate the variability of 13C and 15N enrichment in aboveground parts of labeled winter wheat plants. Labeling with 13C and 15N was performed on non-nitrogen fertilized (−N) and nitrogen fertilized (+N, 250 kg N ha−1) plants at the elongation and grain filling stages. Aboveground parts of wheat were destructively sampled at 28 days after labeling. As winter wheat growth progressed, δ13C values of wheat ears increased significantly, whereas those of leaves and stems decreased significantly. At the elongation stage, N addition tended to reduce the aboveground δ13C values through dilution of C uptake. At the two stages, upper (newly developed) leaves were more highly enriched with 13C compared with that of lower (aged) leaves. Variability between individual wheat plants and among pots at the grain filling stage was smaller than that at the elongation stage, especially for the −N treatment. Compared with those of 13C labeling, differences in 15N excess between aboveground components (leaves and stems) under 15N labeling conditions were much smaller. We conclude that non-N fertilization and labeling at the grain filling stage may produce more uniformly 13C-labeled wheat materials, whereas the materials were more highly 13C-enriched at the elongation stage, although the δ13C values were more variable. The 15N-enriched straw tissues via urea fertilization were more uniformly labeled at the grain filling stage compared with that at the elongation stage.


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