Studies on the Quality and Health Status of T. Aman Rice Seeds Collected From Different Sources

Research in Agriculture Livestock and Fisheries Pub Date : 2022-09-05 DOI:10.3329/ralf.v9i2.61616

Anup Pain, A. Basunia, M. H. Chowdhury, M. Islam, M. E. Haque, A. Hasan

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Abstract

A laboratory experiment was carried out at the Professor GAF Seed Pathology Centre and Laboratory of Department of Seed Science and Technology, Bangladesh Agricultural University (BAU), Mymensingh during the period of July 2018 to January 2019 to determine the effect of seed sources on quality and health status in some Transplanted Aman rice varieties in Bangladesh. Among the seed sources, the moisture content was recorded from 10.40% to 13.37%. In case of purity analysis of seed pure seed ranged from 39.23g to 39.94g. Germination test of rice seeds was recorded and the percentage of total number of germination ranged from 55.75% to 93.0%, normal seedling (51.50 % to 86.50%), abnormal seedling (4.75 % to 10.75%), fresh ingeminated seed (1.75% to15.0%), hard seed (0.0 % to 11.75%), dead seed (2.75% to 21.25%), respectively. Vigour index in the seed sources ranged from (1255.80 to 2089.86). In dry inspection test apparently healthy seeds (17.74gto 28.92g), spotted seeds (9.8g to 17.34g), deformed seeds (0.36g to 5.58g), discolored seeds (0.34g to 3.40g), inert mater (0.00g to 0.38g), insect damaged seeds (0.00g to 0.24g) and chaffy seeds (0.08 g to 1.14g) were recorded(2.75% to 21.25%), respectively. In the seed health study, seven species of fungi were recorded. In the seed health test Alternaria padwickii (1.25 % to 5.50%), Aspergilus niger (0.0% to 1.75%), Bipolaris oryzae (0.0% to 1.50%), Curvularia lunata (0.00% to 1.0%), Aspergillus flavus (0.00% to 1.25%), Penicillium sp. (0.00% to 1.50%) were recorded, respectively. Most of the farmers were failed to obtain the quality and good health status. In this study, BRRI dhan34 in farmer's seed recorded the highest performance in the seed sources and the lowest performance was recorded in BRRI dhan49 in farmer's seed. Among the seed sources BR22 of BADC seed (T8) performed the best in respect of seed quality and seed health. Vol. 9, No. 2, August 2022: 103-116

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不同来源稻种子品质与健康状况的研究

2018年7月至2019年1月期间，在孟加拉国农业大学(BAU)迈门辛格GAF教授种子病理学中心和种子科学与技术系实验室进行了一项实验室实验，以确定种子来源对孟加拉国一些移植阿曼水稻品种的质量和健康状况的影响。种子源的含水率在10.40% ~ 13.37%之间。在种子纯度分析中，纯种子在39.23g到39.94g之间。水稻种子萌发率为55.75% ~ 93.0%，正常苗(51.50% ~ 86.50%)、异常苗(4.75% ~ 10.75%)、新鲜萌发种子(1.75% ~ 15.0%)、硬种子(0.0% ~ 11.75%)、死种子(2.75% ~ 21.25%)。种子源的活力指数为(1255.80 ~ 2089.86)。干检试验中，健康种子(17.74g ~ 28.92g)、斑点种子(9.8g ~ 17.34g)、畸形种子(0.36g ~ 5.58g)、变色种子(0.34g ~ 3.40g)、惰化种子(0.00g ~ 0.38g)、虫损种子(0.00g ~ 0.24g)、黄褐色种子(0.08 g ~ 1.14g)的比例分别为2.75% ~ 21.25%。在种子健康研究中，记录了7种真菌。在种子健康试验中，分别记录了稻黄霉(1.25% ~ 5.50%)、黑曲霉(0.0% ~ 1.75%)、米双极霉(0.0% ~ 1.50%)、弯曲霉(0.00% ~ 1.0%)、黄曲霉(0.00% ~ 1.25%)、青霉(0.00% ~ 1.50%)。大多数农民未能获得质量和良好的健康状况。在本研究中，农民种子中的BRRI dhan34在种子源中表现最高，农民种子中的BRRI dhan49表现最低。在所有种子源中，b22在种子质量和种子健康方面表现最好。第9卷第2期，2022年8月:103-116

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Research in Agriculture Livestock and Fisheries

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6 weeks