Effect of age of seedlings at staggered transplanting and weed management on the growth and yield of aromatic Boro rice (cv. BRRI dhan50)

2018 ◽  
Vol 16 (1) ◽  
pp. 5-11
Author(s):  
Tama Sinha ◽  
Swapan Kumar Paul ◽  
Abdur Rahman Sarkar
Keyword(s):  
Grain Yield ◽  
Weed Management ◽  
Block Design ◽  
Grain Weight ◽  
Growth And Yield ◽  
Straw Yield ◽  
Hand Weeding ◽  
Effect Of Age ◽  
1000 Grain Weight ◽  
Boro Rice

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during December 2015 to May 2016 to study the effect of age of seedlings at staggered transplanting and weed management on the growth and yield of aromatic Boro rice (cv. BRRI dhan50). The experiment comprised four seedling ages at staggered transplanting viz. 30, 45, 60 and 75-day old seedlings with five different weed management treatments viz. unweeded controls, two hand weeding at 20 and 35 DAT (days after transplanting), pre-emergence herbicide  (Pendimethaiin, Panida 33EC) applied at 3 DAT  + one hand weeding at 35 DAT, post-emergence herbicide (Penoxsulam, Granite 240 SC) applied at 12 DAT  + one hand weeding at 35 DAT, pre-emergence herbicide (Panida 33 EC) applied at 3 DAT + post-emergence herbicide (Granite 240 SC) applied at 12 DAT. It was observed that the experiment was laid out in a randomized complete block design with three replications. The highest plant height and total dry matter hill–1 were recorded in 30-day old seedlings with pre-emergence herbicide (Panida 33EC) applied at 3 DAT + post-emergence herbicide (Granite 240 SC) applied at 12 DAT. Younger seedlings (30-days old) produced the highest number of total tillers hill–1 (11.08), effective tillers hill–1 (8.47), grains panicle–1 (80.76) and grain yield (3.94 t ha–1) compared to aged seedlings at staggered transplanting. In case of weed management, pre-emergence herbicide (Panida 33EC) applied at 3 DAT + post-emergence herbicide (Granite 240 SC) applied at 12 DAT produced the highest number of effective tillers hill-1 (8.89), grains panicle–1 (81.66), 1000-grain weight (18.44 g), grain yield (4.47 t ha–1) and straw yield (5.13 t ha–1). Grain yield was reduced by 59.82% in unweeded control compared to pre-emergence herbicide (Panida 33EC) applied at 3 DAT + post-emergence herbicide (Granite 240 SC) applied at 12 DAT. In interaction, 30-day old seedlings combined with pre-emergence herbicide (Panida 33 EC) applied at 3 DAT + post-emergence herbicide (Granite 240 SC) applied at 12 DAT produced the highest effective tillers hill–1 (9.58), grains panicle-1 (89.47), 1000-grain weight (18.93g), grain yield (5.31 t ha–1) and straw yield (5.75 t ha–1). Therefore, 60-day old seedlings at staggered transplanting with pre-emergence herbicide (Panida 33EC) applied at 3DAT + post-emergence herbicide (Granite 240 SC) applied at 12 DAT appears as the promising technique for aromatic Boro rice cultivation.J. Bangladesh Agril. Univ. 16(1): 5-11, April 2018

scholarly journals Influence of date of transplanting on the growth and yield performance of high yielding varieties of Boro rice

2019 ◽  
Vol 17 (3) ◽  
pp. 301-308
Author(s):  
Tapas Kumar Roy ◽  
Swapan Kumar Paul ◽  
Md Abdur Rahman Sarkar
Keyword(s):  
Grain Yield ◽  
Growth Parameters ◽  
Block Design ◽  
Grain Weight ◽  
Growth And Yield ◽  
Yield Performance ◽  
Area Index ◽  
Straw Yield ◽  
1000 Grain Weight ◽  
Boro Rice

An experiment was conducted to find out the effect of variety, date of transplanting and its interaction on the growth and yield performance of high yielding Boro rice. The experiment comprised five varieties viz., BRRI dhan28, BRRI dhan58, BRRI dhan67, BRRI dhan69, BRRI dhan74 and five dates of transplanting viz., 15 December, 30 December, 15 January, 30 January and 15 February. The experiment was laid out in a randomized complete block design with three replications. Results revealed that growth parameters, crop characters, yield components and yield were significantly influenced by variety, date of transplanting and their interactions. The leaf area index (LAI) and dry matter production hill-1 were highest in BRRI dhan69 when transplanted on 15 January whereas the lowest value was found in BRRI dhan28 when transplanted on 15 February. The number of effective tillers hill-1 (11.80), number of grains panicle-1 (130.90), 1000-grain weight (22.07 g), grain yield (4.96 t ha-1) and straw yield (6.64 t ha-1) were highest in BRRI dhan69 whereas corresponding lowest values were recorded in BRRI dhan28. The crop transplanted on 15 January produced the highest number of effective tillers hill-1 (12.81), highest number of grains panicle-1 (131.20), heaviest 1000-grain weight (21.93 g), highest grain yield (5.36 t ha-1) and highest straw yield (7.71 t ha-1). In case of interaction, the highest grain (5.90 t ha-1) and straw yields (7.87 t ha-1) were recorded in BRRI dhan69 transplanted on 15 January whereas the lowest grain and straw yields were recorded in BRRI dhan28 transplanted on 15 February. Therefore, it can be concluded that BRRI dhan69 along with 15 January transplanting appears as the promising combination in terms of grain and straw yields. J Bangladesh Agril Univ 17(3): 301–308, 2019

scholarly journals Effect of age of seedlings at staggered planting and nitrogen rate on the growth and yield of transplant Aman rice

2017 ◽  
Vol 15 (1) ◽  
pp. 21-25
Author(s):  
MA Luna ◽  
MAR Sarkar ◽  
MR Uddin ◽  
UK Sarker
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Grain Weight ◽  
Growth And Yield ◽  
Nitrogen Rate ◽  
Area Index ◽  
Straw Yield ◽  
Nitrogen Rates ◽  
Effect Of Age ◽  
1000 Grain Weight

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during July to December 2015 to find out the effect of age of seedlings at staggered planting and nitrogen rate on the growth and yield of transplant Aman rice (cv. BRRI dhan46). The experiment comprised three ages of seedlings viz. 30, 45 and 60-day old and six nitrogen rate viz. 0, 40, 60, 80, 100 and 120k kg N ha–1. The experiment was laid out in a Randomized Complete Block Design with three replications. The effect of age of seedlings and nitrogen rates and their interaction were significant on yield and yield contributing characters of transplant Aman rice. The highest plant height, total dry matter production hill–1 and leaf area index were recorded in 30-day old seedlings with 80 kg N ha–1. Grain yield gradually increased with the use of relatively younger seedlings and 30-day old seedlings produced the highest number of effective tillers hill–1 (5.34), grains panicle–1 (110.9), 1000-grain weight (24.60 g), grain yield (4.06 t ha–1) and straw yield (5.17 t ha–1). In case of nitrogen rate, 80 kg N ha–1 produce the highest grains panicle–1 (113.1), 1000-grain weight (25.39 g), grain yield (4.37 t ha–1) and straw yield (5.59 t ha–1). In interaction, 30-day old seedlings with 80 kg N ha–1 produced the highest effective tillers hill–1 (6.22), grains panicle–1 (124.1), 1000-grain weight (26.91g), grain yield (4.71 t ha–1) and straw yield (6.16 t ha–1). Therefore, 30-day old seedlings with 80 kg N ha–1 appeared as the promising technique to obtain the highest grain yield. It was also observed that under adverse situation delaying in transplanting may be continued up to 15 September with aged seedlings (60-day old) from the same source and application of nitrogen ranging from 100–120 kg ha–1 to obtain grain yield ranging from 3.8–4.0 t ha–1.J. Bangladesh Agril. Univ. 15(1): 21-25, January 2017

scholarly journals Effect of weed management practices on the performance of transplanted aman rice varieties

2016 ◽  
Vol 14 (1) ◽  
pp. 17-22
Author(s):  
J Ferdous ◽  
N Islam ◽  
MA Salam ◽  
MS Hossain
Keyword(s):  
Grain Yield ◽  
Weed Management ◽  
Management Practices ◽  
Block Design ◽  
Grain Weight ◽  
Rice Varieties ◽  
Free Condition ◽  
Hand Weeding ◽  
Crop Parameters ◽  
1000 Grain Weight

A field experiment was carried out to study the effect of weed management practices on the performance of transplanted aman rice varieties. The experimental treatments comprised three varieties viz. BR11, BRRI dhan39 and Binadhan7 and seven weeding treatments viz., weedy check, hand weeding at 15 and 35 DATs, application of early post-emergence herbicide Manage (Pyrazosulfuron ethyl), application of pre-emergence herbicide Rifit (Pretilachlor), Manage + one hand weeding at 35 DAT, application of Rifit + one hand weeding at 35 DAT and weed free. The experiment was laid out in a randomized complete block design with three replications. The results reveal that varieties should significant variation on plant height, number of total tillers hill-1, number of effective tillers hill-1, number of non-effective tillers hill-1, panicle length, number of grains panicle-1, number of sterile spikelets penicle-1, 1000-grain weight, grain yield, straw yield and harvest index. Grain yield was the highest in BRRI dhan39. Weeding regime had also significant effect on all the studied crop parameters except 1000-grain weight. The highest grain yield was obtained from weed free condition followed by hand weeding at 15 and 35 DATs. Interaction between variety and weeding regime had significant influence on all the studied crop parameters except 1000-grain weight. The highest grain yield was obtained from the interaction of BRRI dhan39 × weed free condition which was statistically identical (5.50 t ha-1) with interaction of variety BR11 × two hand weedings at 15 and 35 DATs. Therefore it may be concluded that BR11 rice could be cultivated using two hand weedings at 15 and 35 DATs for obtaining higher yield.J. Bangladesh Agril. Univ. 14(1): 17-22, June 2016

scholarly journals Zinc, a micronutrient and its effect to performance of BARI gom30

2020 ◽  
Vol 8 (2) ◽  
pp. 137
Author(s):  
Salamun Gismy ◽  
Md. Romij Uddin ◽  
Md. Sohanur Rahman ◽  
Fakhar Uddin Talukder ◽  
Md. Shafiul Islam Rion
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Block Design ◽  
Maximum Yield ◽  
Grain Weight ◽  
Spike Length ◽  
Control Treatment ◽  
Straw Yield ◽  
Four Levels ◽  
1000 Grain Weight

To evaluate the effect of Zinc fertilizer on performance of wheat cv. BARI gom30, an experiment was carried out at Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, from November 2015 to March 2016. The experiment comprised four levels of Zinc (Zn) viz., 0, 1.5, 2 and 2.5 kg/ha. The experiment was laid out in a randomized complete block design with three replications. Application of Zinc (Zn) plant height, number of total tillers/plant, number of effective tillers/plant, spike length, number of fertile spikelets/spike numbers of sterile spikelets/spike number of grains/ spike, grain yield and straw yield were found significant. But there was no significant effect of the treatment on 1000-grain weight. The highest number of total tiller/plant (4.42), number of effective tillers/plant (3.92), number of grains/spike (47.70), 1000-grain weight (47.73 g), grain yield (5.06 t/ha), straw yield (6.21 t/ha) was obtained from 2 kg Zn/ha. The highest plant height (94.08 cm), spike length (9.92 cm), number of fertile spikelets/spike (19.59) and sterile spikelets/spike (3.22) and harvest index (46.16%) were recorded at 0 kg Zn/ha respectively. The control treatment indicated the lowest value for the yield attributing characters except the number of sterile spikelets/spike. Grain yield was found to be significantly and positively correlated with number of grains/spike and straw yield. It is recommended that application of 2 kg Zn/ha is the best for maximum yield of BARI gom30.   

scholarly journals Productivity Enhancement of Foxtail Millet (Setaria italica L.) through Critical Agronomic Interventions under Southern Agro-Climatic Zone of Andhra Pradesh

2021 ◽  
pp. 45-51
Author(s):  
Karanam Navya Jyothi ◽  
V. Sumathi ◽  
D. Subramanyam ◽  
P. Sudhakar ◽  
T. Giridhar Krishna ◽  
...  
Keyword(s):  
Weed Management ◽  
Management Practices ◽  
Nutrient Management ◽  
Foliar Application ◽  
Foxtail Millet ◽  
Grain Filling ◽  
Grain Weight ◽  
Growth And Yield ◽  
Straw Yield ◽  
Hand Weeding

A field experiment was conducted during kharif, 2016 and 2017 at S.V. Agricultural College farm, Tirupati to study the influence of spacing, nutrient and weed nutrient management practices on growth and yield of foxtail millet. Significant effects were noticed on growth and yield components viz., plant height, number of panicles m-2, weight of the panicle, grain weight panicle-1, grain and straw yield of foxtail millet. Among different plant geometries tried, closer spacing of 20 cm x10 cm registered taller plants, higher number of panicles m-2, higher grain and straw yield, where as the weight of the panicle, grain weight panicle-1 were found to be highest with 30 cm x10 cm. Among the micronutrient management practices, foliar application of ZnSO4@ 0.5% twice at the time of flowering and at grain filling stage along with 100% RDF registered taller plants as well as higher grain yields.Hand weeding at 20 DAS and 30 DAS outperformed other weed management practices. This was followed by pre-emergence application of butachlor @ 1 kg a.i ha-1 with one hand weeding at 30DAS.The study concluded that the closer spacing of 20cmx 10cm, foliar application of ZnSO4 at the time of flowering and 20 days after flowering along with RDF and hand weeding twice at 20 DAS and 30 DAS resulted in higher productivity of foxtail millet.

Yield performance of Boro rice through integrated application of vermicompost, biochar and urea

2020 ◽  
Vol 26 (1) ◽  
pp. 2151-2158
Author(s):  
A. A. Alvi ◽  
F. A. Tumpa ◽  
K. Hossen ◽  
B. Hossain
Keyword(s):  
Grain Yield ◽  
Agricultural Research ◽  
Rice Yield ◽  
Block Design ◽  
Research Field ◽  
Growth And Yield ◽  
Yield Performance ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Boro Rice

The present investigation was executed at Agricultural Research Field, Noakahali Science and Technology University, Noakhali, Bangladesh to access the effects of variety and integrated application of vermicompost, biochar and urea on efficiency of boro rice yield. The experiment was accomplished during the period from November 2018 to May 2019. It was completed in a randomized complete block design (RCBD) with three replications. The treatments assigned in a factorial arrangement of 2 × 4, with 2 varieties of rice (V1-BINA dhan 8, V2- BINA dhan 10) and 4 integration of vermicompost, biochar, and urea (T1: Vermicompost-2.5 t ha-1, T2: Vermicompost-2 t ha-1+ Biochar 0.5 t ha-1, T3: Vermicompost-1.5 t ha-1+ Biochar 1 t ha-1 and T4: Vermicompost-1.5 t ha-1 + Urea-150kg ha-1/0.15 t ha-1). Data were collected to analyze growth and yield contributing characters of boro rice. All the parameters were not statistically significant to differ. According to variety highest grain (3.73 t ha-1) and straw (2.8 t ha-1) yield was found from BINA dhan 10 in comparison with BINA dhan 8. In case of integrated application of vermicompost, biochar and urea, superior grain and straw yield were obtained from T4: Vermicompost-1.5 t ha-1 + Urea-0.15 t ha-1 whereas lowest grain yield (3.01 t ha-1 recorded from integrated application vermicompost and biochar. In combine maximum grain (4.92 t ha-1) and straw (4.40 t ha-1) yield was noted from BINA dhan 10 alone with integrated application of vermicompost and urea whereas the lowest data (grain: 2.50 t ha-1; straw: 1.64 t ha-1) was found from BINA dhan 8 along with vermicompost and biochar.

Development of Efficient Weed Management Practices for Drilled Paddy Production under Gujarat condition

2019 ◽  
Vol 6 (02) ◽  
Author(s):  
R, V Hajari ◽  
R G MACHHAR ◽  
A. K. Mahida ◽  
G D HADIYA ◽  
A K MAHIDA
Keyword(s):  
Weed Control ◽  
Weed Management ◽  
Management Practices ◽  
Block Design ◽  
Growth And Yield ◽  
Research Station ◽  
Yield Attributes ◽  
Straw Yield ◽  
Randomized Block Design ◽  
Hand Weeding

To study the weed management in drilled paddy an experiment was conducted at Agriculture Research Station, Anand Agricultural University, Derol Dist: panchmahal, Gujarat during kharif seasons of the years 2012-13, 2013-14 ,2014-15 and 2015 -16 . Ten treatments for weed management were studied in randomized block design with four replications. Results that all the growth and yield attributes except plant height and test weight were significantly influenced due to different weed control treatments. The grain and straw yield of drilled paddy were also altered significant due to weed control treatments. In general, T2 (two hand weeding at 20 and 40 DAS) recorded the highest yield among all. It was, however, at par with three other treatments which included pre and post emergence application of herbicides. Since, the application of Oxadiargyl @ 90 g/ha f/b Bisbyribac sodium @ 25 g/ha at 20 DAS is one among the dual application of herbicide, it can be recommended for drilled paddy in options of two hand weeding.

scholarly journals Effect of variety and weeding regime on the yield components and yield of Aus rice

2014 ◽  
Vol 11 (1) ◽  
pp. 17-21
Author(s):  
B Mondal ◽  
MAR Sarkar ◽  
SK Paul ◽  
F Zaman
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Harvest Index ◽  
Block Design ◽  
Grain Weight ◽  
Method Of Planting ◽  
Hand Weeding ◽  
Experimental Treatments ◽  
Crop Parameters ◽  
1000 Grain Weight

A field experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, during the period from April to July 2012 to study the effect of variety and weeding regime on the yield components and yield of Aus rice. The experiment was laid out in a randomized complete block design with three replications. The experimental treatments comprised four varieties viz. BR 26, BRRI dhan27, BRRI dhan48 and Pariza; and five weeding treatments viz. no weeding, one hand weeding at 20 DAS(Days after sowing), two hand weeding at 20 DAS and 30 DAS, three hand weeding at 20, 30 and 40 DAS and weed free. Here broadcasting method of planting was used. Results revealed that varieties had significant effect on plant height, number of total tillers hill-1, number of effective tillers hill-1, number of non-effective tillers hill-1, number of grains panicle-1, number of unfilled spikelets panicle-1, 1000-grain weight, grain yield, straw yield, biological yield and harvest index. Grain yield was the highest in BRRI dhan48. Weeding regime had also significant effect on all the studied crop parameters except 1000-grain weight. The highest grain yield was obtained from weed free condition followed by three, two and one weeding conditions. Interaction between variety and weeding regime significantly influenced all the studied crop parameters except 1000-grain weight and harvest index. In interaction it was observed that the highest grain yield was obtained from BRRI dhan48 under two weeding condition. DOI: http://dx.doi.org/10.3329/jbau.v11i1.18198 J. Bangladesh Agril. Univ. 11(1): 17-21, 2013

scholarly journals Effect of Triple Super Phosphate on the Growth and Yield of Boro Rice in Haor Areas of Sunamganj District in Bangladesh

2019 ◽  
pp. 1-8
Author(s):  
B. K. Goswami ◽  
M. A. Kashem ◽  
M. A. Aziz ◽  
T. K. Saha
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Growth And Yield ◽  
Panicle Length ◽  
Straw Yield ◽  
Fertilizer Recommendation ◽  
Triple Super Phosphate ◽  
Two Factors ◽  
1000 Grain Weight ◽  
Boro Rice

A field experiment was conducted at Bilpar village of Sunamganj district in Bangladesh during November 2016 to May 2017 to find out the effects of Triple Super Phosphate (TSP) fertilizer on the growth and yield of boro rice in haor areas. Two factors viz. varieties (BRRI dhan29 and BRRI dhan58) and six TSP fertilizer levels [F1- 85 kg TSP ha-1 (Farmers’ practice), F2- 142 kg TSP ha-1, F3- 127 kg TSP ha-1, F4- 112 kg TSP ha-1 (BARC recommended dose), F5- 97 kg TSP ha-1, F6- 82 kg TSP ha-1] were included in the experiment. The experiment was conducted in the farmers’ field and laid out in a RCBD with three replications. Data were taken on plant height and tillers hill-1 at 15 days intervals. The yield and yield contributing parameters were also taken at harvest. Plant height, number of total tillers, effective tillers hill-1, panicle length, sterile spikelets, 1000 grain weight, grain and straw yield varied significantly due to variety. BRRI dhan58 produced higher number of effective tillers (10.60) and grains panicle-1 (136.9) over BRRI dhan29. BRRI dhan58 produced higher grain yield (8.92 t ha-1) compared to BRRI dhan29 (7.27 t ha-1). All the studied parameters differed significantly with the application of TSP fertilizer except non-effective tillers hill-1. Application of 112 kg TSP ha-1 produced the highest number of effective tillers hill-1 (12.00) and the lowest in farmers practice (7.20). Fertilizer Recommendation Guide based TSP fertilizer (112 kg ha-1) produced the highest grain yield (8.80 t ha-1) of boro rice and the lowest grain yield (7.40 t ha-1) in farmers’ practice. Results of the study elucidated that TSP application at 112 kg ha-1 was effective to improve the rice productivity.

scholarly journals Effect of variety and nitrogen rate on the yield performance of boro rice

2015 ◽  
Vol 26 (1) ◽  
pp. 6-14 ◽  
Author(s):  
SG Chamely ◽  
N Islam ◽  
S Hoshain ◽  
MG Rabbani ◽  
MA Kader ◽  
...  
Keyword(s):  
Grain Yield ◽  
Harvest Index ◽  
Dry Matter ◽  
Block Design ◽  
Panicle Length ◽  
Straw Yield ◽  
Randomized Complete Block Design ◽  
Harvest Data ◽  
1000 Grain Weight ◽  
Boro Rice

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from November 2010 to May 2011 to study the effect of variety and rate of nitrogen on the performance of Boro rice. The experiment comprised three varieties viz., BRRI dhan28 (V1), BRRI dhan29 (V2) and BRRI dhan45 (V3); and five rates of nitrogen viz., control (N0), 50 kg  (N1), 100 kg (N2), 150 kg  (N3)and 200 kg  (N4) N ha-1. The experiment was laid out in a randomized complete block design with four replications. The growth analysis results indicate that the tallest plant (80.88 cm) and the highest number of total tillers hill-1 (13.80) were observed in BRRI dhan29 at 70 DATs and the highest total dry matter (66.41 g m-2) was observed in BRRI dhan45. The shortest plant (78.15 cm) and the lowest number of tillers hill-1 (12.41) were recorded from BRRI dhan45 and the lowest dry matter (61.24 g) was observed in BRRI dhan29. The tallest plants (84.01 cm), highest number of tillers hill-1 (14.06) and the highest dry matter (69.58 g m-2) were obtained from 200 kg N ha-1. The tallest plants (86.48 cm) and maximum dry matter (72.30 g m-2) were recorded from BRRI dhan28 with 200 kg N ha-1 and BRRI dhan45 with 200 kg N ha-1, respectively. The highest number of tillers hill-1 (15.14) was obtained from BRRI dhan29 with 50 kg N ha-1. The harvest data reveal that variety had significant effect on total tillers hill-1, effective tillers hill-1, non-effective tillers hill-1, panicle length, grain yield, straw yield and harvest index. The highest grain yield (4.84 t ha-1) was recorded from BRRI dhan29. The results of the experiment also indicate that total tillers hill-1, effective tillers hill-1, grains panicle-1, sterile spikelets panicle-1, grain yield, straw yield and harvest index were significantly affected by levels of nitrogen, while plant height, panicle length, 1000-grain weight were not significantly affected by levels of nitrogen. The highest grain yield (5.58 t ha-1) was obtained from 200 kg N ha-1. Interaction effect of variety × 200 kg N ha-1 produced the highest grain yield (5.82 t ha-1). From the results of the study it may be concluded that BRRI dhan29 rice may be cultivated with 200 kg N ha-1 for obtaining higher yield in AEZ 9 of Bangladesh.Progressive Agriculture 26:6-14, 2015

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