Effect of Competition in a Hill to Seedling Number per Hill on Yield Components and Yield in Paddy Rice.

Nakano, Hisao; Mizushima, T.

doi:10.1626/jcs.63.452

Cited by 7 publications

(7 citation statements)

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“…It is revealed that planting excess seedlings (more than one or two) in a single hill does not affect the tiller production of rice. Nakano and Mizushima (1994) also observed similar findings. Effective tillers hill -1 , length of panicle, grains panicle -1 and 1000-grain weight were not significantly affected by the number of seedlings hill -1 .…”

Section: Effect Of Number Of Seedlings Hill -1 On the Yield And Yieldsupporting

confidence: 75%

Effect of number of seedlings hill-1 on the yield and yield contributing characters of short duration Aman rice cultivars

Islam

Salam

2018

Progress. Agric.

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The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University (BAU), Mymensingh during the period from July to October 2016 to study the effect of age of seedling on the yield and yield contributing characters of short duration Aman rice cultivars. The study consisted two factor A: Variety- three- i) BINA dhan7 (V1), (ii) BRRI dhan56 (V2) and (iii) BRRI dhan62 (V3); and factor B: Number of seedlings hill-1- (i) Single seedling hill-1 (S1), (ii) Two seedlings hill-1 (S2) and (iii) Three seedlings hill-1 (S3). The experiment was laid out in a randomized complete block design with three replications. The highest grain yield was obtained from the cultivar BINA dhan7 which was statistically identical with BRRI dhan56 and this was the consequences of higher number of total and effective tillers hiil-1 and highest number of grains panicle-1. Grain yield was not significantly affected by the number of seedlings hill-1 but numerically the highest grain yield was recorded from single seedling hill-1. From the interaction it is observed that grain yield was not significantly affected by the interaction of cultivar and number of seedlings hill-1. But numerically the highest grain yield was recorded from the interaction of BRRI dhan56 × single seedling hill-1. From the economic analysis it is observed that the highest BCR (1.64) was recorded from single seedling hill-1 in BRRI dhan56 which was close to single seedling hill-1 in BINA dhan7 and the lowest BCR (103) was obtained from two seedlings hill-1 in BRRI dhan62. From the results of the study it may be concluded that BRRI dhan56 with single seedling hill-1 might be cultivated in AEZ-9 for obtaining higher yield and higher economic return in Aman season.Progressive Agriculture 28 (4): 279-286, 2017

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Section: Effect Of Number Of Seedlings Hill -1 On the Yield And Yieldsupporting

confidence: 75%

Effect of number of seedlings hill-1 on the yield and yield contributing characters of short duration Aman rice cultivars

Islam

Salam

2018

Progress. Agric.

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“…(5.19 t ha -1 ) and the lowest grain yield (4.61 t ha -1 ) was obtained from four seedlings hill -1 . This result was also agreed with Nakano and Mizushima (1994). Grain yield increased with the increase of number of seedlings and seedling age.…”

Section: Weight Of 1000 Grainssupporting

confidence: 89%

“…The lowest (25.33) was obtained from five seedlings hill -1 . Almost similar result was found by Nakano and Mizushima (1994); but Ramasamy (1987) recorded dissimilar results with the present study.…”

Section: Total Tillerssupporting

confidence: 85%

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Effect of Seedling Age and Seedling Number Per Hill on Yield and Yield Attributes of Transplanted Aman Rice (Br23)

et al. 2022

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The effect of seedling age and seedling number per hill on yield and yield contributing characters of Transplant Aman rice in Khulna region was investigated from July to December 2002.The treatments included in the experiment consisted of 4 seedling age (viz.15, 25, 35 and 45 day old seedling) and 5 seedling number hill-1 (viz. 1, 2, 3, 4 and 5). It was found that 25 day old seedling produced the tallest plant (118.87 cm), highest number of total tiller hill-1 (33.02), number of effective tiller hill-1 (30.37), longest panicle length (25.85 cm), highest number of grain panicle-1 (154.33), grain yield (5.14 t ha-1) and harvest index (43.28). Number of seedlings hill-1 had significant effect on plant height, total tillers hill-1, effective tillers hill-1, number of grains panicle-1, 1000 grain weight, grain yield and harvest index. The highest number of total tillers hill-1 (34.25), effective tillers hill-1 (32.11), number of grains panicle-1 (161.72), grain yield (5.19 t ha-1) and harvest index (45.72%) were found when two seedlings were planted hill-1. The highest value for 1000 grain weight (23.67g) was recorded when one seedling was planted hill-1. It was evident that two seedlings hill-1 with 25 day old seedling showed better performance in respect of growth and yield of rice.

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“…There are some reports on the effects of planting pattern on the number of tillers. At the tillering stage, the number of tillers per square meter increased as the number of plants per hill increased (Tsunoda et al, 1971;Nakano et al, 1994) and in plants grown at a higher hill density (Ehara et al, 1998). However, the number of tillers was larger in the plots with a row arrangement than a square arrangement of hills at a density of 40 to 50 hills per m 2 at the panicle formation stage, although the number was almost the same at heading (Akita and Tanaka, 1992).…”

Section: Discussionmentioning

confidence: 93%

Effects of Planting Pattern on the Interception of Solar Radiation by the Canopy and the Light Extinction Coefficient of the Canopy in Rice Plants Direct-sown in a Submerged Paddy Field

San-oh

Oclarit

Ookawa

et al. 2006

Plant Production Science

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Effect of Competition in a Hill to Seedling Number per Hill on Yield Components and Yield in Paddy Rice.

Cited by 7 publications

References 0 publications

Effect of number of seedlings hill-1 on the yield and yield contributing characters of short duration Aman rice cultivars

Effect of number of seedlings hill-1 on the yield and yield contributing characters of short duration Aman rice cultivars

Effect of Seedling Age and Seedling Number Per Hill on Yield and Yield Attributes of Transplanted Aman Rice (Br23)

Effects of Planting Pattern on the Interception of Solar Radiation by the Canopy and the Light Extinction Coefficient of the Canopy in Rice Plants Direct-sown in a Submerged Paddy Field

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