基于叶片产量、品质和产量属性的F1桑(Morus indica)基因型最优和次优投入条件选择

IF 2.1 3区 农林科学 Q2 FORESTRY Trees Pub Date : 2023-11-30 DOI:10.1007/s00468-023-02465-7
Tanmoy Sarkar, R. M. Bharath Gowda, S. Gandhi Doss, M. K. Raghunath,  Manjappa, Thallapally Mogili, V. Girish Naik, E. Bhuvaneswari, G. S. Arunakumar
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引用次数: 0

摘要

在最优和次优投入条件下,鉴定出高产、优质、中高稳定性的优F1桑基因型。摘要桑树(Morus spp.)是一种高度杂合的多年生乔木,因其叶子可喂养单食家蚕(Bombyx mori L.)和果实供人类食用而在全球广泛种植。本研究对21个F1桑树基因型在最优和次优投入(灌溉和肥料)条件下的叶片产量、产量属性、叶片品质和两年稳定性进行了评价,以选择优良基因型。通过对4个作物季节的汇总数据分析,发现D16、D21、D22、D23、D28和D67 6个桑树基因型在最优条件下的叶片产量(663 ~ 840 g/株)与Vishala检验(663 g/株)相近或更好。同样,在次优条件下,7个基因型D16、D21、D22、D23、D24、D28和D34的叶片产量(418 ~ 596 g/株)显著高于Vishala (415 g/株)。D16、D21、D24、D28和D34 5个桑树基因型的δ13C(水分利用效率的替代性状)在- 28.21 ~ - 28.98之间变化,与AGB8检测值相近(- 28.87)。D16、D21、D22、D23、D24、D28和D34 7个基因型的总可溶性糖、蛋白质、叶绿素含量、脱毛率和单株幼虫重在最优和次优条件下均与Vishala相似或优于Vishala。加性主效应和基于乘法互作的同时选择指数表明,在最优和次优条件下,7个基因型均具有中高稳定性和高产能力。这些选定的基因型的DNA指纹图谱已被开发用于分子鉴定。在此背景下,这7个基因型可以在高级评价试验中进行进一步测试,以确定最优和次优条件下叶片产量和品质的最佳基因型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Selection of F1 mulberry (Morus indica) genotypes for optimal and sub-optimal input conditions based on leaf yield, quality, and yield attributes

Key message

Superior F1 mulberry genotypes with high leaf yield, quality, and moderate to high stability were identified for optimal and sub-optimal input conditions.

Abstract

Mulberry (Morus spp.) is a highly heterozygous, perennial tree widely grown for its foliage to feed monophagous silkworms (Bombyx mori L.) and fruits for human consumption across the globe. The present study evaluated twenty-one F1 mulberry genotypes for the selection of superior ones based on leaf yield, yield attributes, leaf quality, and stability over two years under optimal and sub-optimal input (irrigation and fertilizer) conditions. Based on pooled data analysis over four crop seasons, it was found that six mulberry genotypes, D16, D21, D22, D23, D28, and D67, had leaf yields (663–840 g/plant) statistically similar to or better than the Vishala check (663 g/plant) under optimal conditions. Similarly, under sub-optimal conditions, seven genotypes, D16, D21, D22, D23, D24, D28 and D34, showed significantly higher leaf yields (418–596 g/plant) than Vishala (415 g/plant). The δ13C (a surrogate trait of water-use efficiency) of five mulberry genotypes, D16, D21, D24, D28, and D34, varied from – 28.21 to – 28.98 and was similar to the AGB8 check (– 28.87). Total soluble sugar, protein, chlorophyll content, and the silkworm moulting percentage and single larval weight for the seven genotypes D16, D21, D22, D23, D24, D28, and D34 were statistically similar to or better than Vishala under both optimal and sub-optimal conditions. The additive main effects and the multiplicative interaction-based simultaneous selection index showed that these seven genotypes had moderate to high stability and high leaf-yielding ability over the seasons under both optimal and sub-optimal conditions. DNA fingerprint profiles of these selected genotypes have been developed for their molecular identification. Under this context, these seven genotypes might be further tested under advanced evaluation trials to identify the best one regarding leaf yield and quality under optimal and sub-optimal conditions.

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来源期刊
Trees
Trees 农林科学-林学
CiteScore
4.50
自引率
4.30%
发文量
113
审稿时长
3.8 months
期刊介绍: Trees - Structure and Function publishes original articles on the physiology, biochemistry, functional anatomy, structure and ecology of trees and other woody plants. Also presented are articles concerned with pathology and technological problems, when they contribute to the basic understanding of structure and function of trees. In addition to original articles and short communications, the journal publishes reviews on selected topics concerning the structure and function of trees.
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