A field experiment was conducted to study the effect of sowing date on quality seed production of sweet pepper at the research farm of Seed Technology Division, Bangladesh Agricultural Research Institute, Gazipur, during 2011-2012. The aim of this study was to find out the optimum sowing date for quality seed production of sweet pepper. The treatments were 4 four sowing dates viz. 15 October, 30 October, 15 November and 30 November. Seeds were sown in seed bed for 1st sowing on 30 September, for 2nd sowing on 15 October, for 3rd sowing on 30 October and for 4th sowing on 15 November. The experiment was laid out in randomized complete block design (RCB) with three replications. The highest individual fruit weight, 1000 seed weight was obtained from the October 15 sowing date in the year of 2011-2012 and it was significantly different from all other dates of sowing. Maximum seed yield (86.2 kg ha-1) was recorded in 2nd sowing date (15 October) followed by 3rd sowing date (30 October) treatment while the lowest was found from 4th sowing date (15 November) (30.72, kg ha-1). Maximum seed quality as measured by moisture content, dry weight, vigour index and germination percentage were obtained at different sowing date. Maximum seed weight (mass maturity) was achieved at 1st sowing when average seed moisture contents were 5% and 4%, respectively. For high seed quality, sweet pepper is better sowing time at 2nd sowing time (15 October) which could be regarded as the point of physiological maturity.Progressive Agriculture 28 (3): 216-221, 2017
Five advanced potato genotypes, along with three check varieties were evaluated at six locations in order to find out the stable varieties for commercial cultivation in Bangladesh. Combined analysis exhibited a highly significant variability among the genotypes, locations and GEI. The average tuber yield at 90 days after planting (DAP) of the genotypes ranged from 31.18 t ha-1 in the check BARI Alu-28 to 43.8 t ha-1 in the clone 9.35. The result of AMMI analysis of tuber yield at 90 DAP also showed that the first IPCA1 captured 55.30% of the interaction SS. IPCA2, IPCA3 and IPCA4 explained 29.01, 8.55 and 7.08% of GE interaction SS, respectively. In general, the AMMI2 model contained 99.94% of the treatment SS, while the residual contained 0.06%. In ASV method, the clone 9.125, followed by the check BARI Alu-28 and clone 9.91 were more stable than 9.35. Biplot of IPCA1 and IPCA2 covers 84.3% of GE interaction. Biplot analysis also showed that clone 9.44 and 9.35 and the environment of Gazipur and Jashore had a better result in the GE interaction. Clone 9.44 had specific adaptation with the environment of Gazipur and Jashore, while 9.35 had specific adaptation with Gazipur and Jamalpur. Clone 9.125, 9.91, BARI Alu-28, BARI Alu-8 and clone 9.112 were located toward the center of the biplot and can be considered as stable. Based on the GSI the most desirable genotype for both stability and high tuber yield is the clone 9.125 followed by clones 9.112, 9.91 and 9.35. SAARC J. Agri., 18(1): 73-86 (2020)
Seven exotic varieties of advanced generation (Cimega, Farida, Jelly, Memphis, Panamera, Taisiya and 7four7) along with four checks (BARI Alu-7, BARI Alu-13, BARI Alu-25 and BARI Alu-28) of potato were evaluated at five agro-ecological locations of Bangladesh during 2016-17 to identify stable varieties for table and processing purposes. Results indicated significant variation among the varieties and locations. To identify the early bulking varieties, tuber yield at 65 DAP was recorded, which showed that the variety 7four7 gave maximum yield (28.1 t ha-1). So, it can be selected as an early market variety. The maturity period of the varieties varied from 85 to 95 days. At the final harvest (95 DAP), the highest average yield over location was also produced by 7four7 (38.7 t ha-1). The varieties Cimega and Memphis also gave comparable yields to that of 7four7 (37.3 and 36.7 t ha-1, respectively). Farida was found suitable for table purposes because of its high yield, medium-sized tubers, oval and smooth shape and good eating qualities. These four varieties were significantly better than the checks in yield. The variety Taisiya produced tubers with good size and shape but low in dry matter content. Memphis produced maximum large-sized tubers, and so it may be suitable for processing. All the varieties produced good dry matter (18-20%). From the AMMI stability analysis, Cimega and 7four7 were the most stable varieties. Taisiya and Memphis were found as medium stable. Based on the stability, tuber yield and other characters, these four varieties may be selected for further studies in the RYT before release as specific purpose varieties. SAARC J. Agric., 19(2): 27-36 (2021)
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.