Development of Two Tossa Jute Mutants for Higher Fiber Yield Through Mutation Breeding

Research in Agriculture Livestock and Fisheries Pub Date : 2024-01-21 DOI:10.3329/ralf.v10i3.70992

Sakina Khanam, Md Shamiul Haque, Md Mahmud Al Noor, Nusrat Binta Atiq, Md Abul Kalam Azad

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Abstract

The demand for jute fiber is increasing instead of synthetic fiber nowadays. Developing an early and high fiber-yielding tossa jute line is the main breeding objective of jute growing areas including Bangladesh. To fulfill that objective, the existing cultivar JRO-524 was irradiated with five (700, 800, 900, and 1000 gy) doses of gamma-ray. A total of 25 M3 plants were first selected from bulked M2 plants. Two years of replicated yield trial experiments were conducted in different locations in Bangladesh. Among them, two mutants BJM-10-1-3 and BJM-10-1-5 were selected for higher fiber and stick yield. The selected mutants BJM-10-1-3 and BJM-10-1-5 showed 4% to 6% higher yield than their parent JRO-524. The mutant line BJM-10-1-5 showed higher fiber percentage (34.04%), fiber fitness (2.65%), and fiber brightness (44.15%). These two mutants have been under participatory varietal trial (PVT) for evaluation to release a tossa jute variety. These lines will play a vital role in reducing the seed import of variety JRO-524 from India. Vol. 10, No. 3, December 2023: 259-268

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通过突变育种培育两种提高纤维产量的托萨黄麻突变体

如今，人们对黄麻纤维的需求越来越大，而不是合成纤维。开发早熟、高产的托塔黄麻品系是包括孟加拉国在内的黄麻种植区的主要育种目标。为了实现这一目标，对现有的 JRO-524 栽培品种进行了五次（700、800、900 和 1000 Gy）伽马射线辐照。首先从大量的 M2 植株中挑选出 25 株 M3 植株。在孟加拉国不同地点进行了两年的重复产量试验。其中，BJM-10-1-3和BJM-10-1-5这两个突变体的纤维和茎秆产量较高。所选突变体 BJM-10-1-3 和 BJM-10-1-5 的产量比其亲本 JRO-524 高出 4% 至 6%。突变株 BJM-10-1-5 表现出更高的纤维率（34.04%）、纤维健壮性（2.65%）和纤维亮度（44.15%）。这两个突变体正在进行参与性品种试验（PVT）评估，以推出一个黄麻品种。这些品系将在减少从印度进口 JRO-524 品种种子方面发挥重要作用。

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来源期刊

Research in Agriculture Livestock and Fisheries

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审稿时长

6 weeks