Development of Testing Method Using a Growth Regulator for the Resistance to Seed Coat Cracking in Soybean (Glycine max (L.) Merr.).

Okabe, Akinori; Sakai, Shinji; Kikuchi, Akio

doi:10.1270/jsbbs1951.45.449

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…The importance of seed moisture content at harvest for preventing mechanical seed coat damage has been well documented in previous research (Barriga, 1961; Dexter, 1966; Forney et al., 1990). Not only for dry beans, in soybeans, adverse environments, such as hot and dry conditions, resulted in more seed coat cracking (Okabe, 1996). Higher seed moisture content can reduce mechanical seed coat damage at harvest (Uebersax et al., 2022).…”

Section: Resultsmentioning

confidence: 99%

Genetic variability for susceptibility to seed coat mechanical damage and relationship to end‐use quality in kidney beans

Wang,

Cichy

2023

Crop Science

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Kidney beans (Phaseolus vulgaris L.) have strict market specifications for seed and end‐use quality. One major quality concern is the appearance of cracks, also termed checks in the seed coat caused by mechanical damage occurring during harvest and post‐harvest handling. Genetic variability for seed coat checks (SCC) has not been well characterized in kidney beans. The objectives of this study were 1) to test an existing screening method for easy assessment of seed coat mechanical damage 2) to explore the genetic variability for mechanically induced seed coat damage in kidney bean and its relationship to seed coat thickness 3) to characterize the relationship of seed coat check to end‐use quality and 4) to identify potential germplasm resources for genetic improvement. A collection of dark red (DRK), light red (LRK) and white (WK) kidney beans were grown over two years and harvested with two threshing methods to mimic mild and severe treatments of mechanical damage. Belt threshing produced mild damage and combine threshing produced severe damage. Seed coat thickness was not correlated with SCC of the combine threshed beans but was negatively correlated with the belt threshed beans at r = ‐0.33. Seed moisture content played an important role in SCC. Higher SCC severity scores resulted in lower canning quality appearance scores (r = ‐0.51). The SCC severity score of combine threshed seeds can be used as a selection factor in variety improvement for resilience to mechanical damage. Genotypes with low SCC severity score were identified for breeding initiatives.This article is protected by copyright. All rights reserved

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Section: Resultsmentioning

confidence: 99%

Genetic variability for susceptibility to seed coat mechanical damage and relationship to end‐use quality in kidney beans

Wang,

Cichy

2023

Crop Science

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Effect of water stress during reproductive growth stage on the seed size and seed coat cracking ratio of soybean in pot experiment

Hosono

Nakayama

2017

Climate in Biosphere

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To clarify the effect of water stress after reproductive growth stage on the seed size (weight of 100 seeds) and the seed coat cracking ratio (percentage of the seeds that have cracked seed coat) of soybean, we conducted pot experiments. Soybeans were direct-seeded (cv. 'Shurei' in late June in 2013 and 2014, and cv. 'Sato-no-hohoemi' in late May and late June in 2015) to 1 / 5000 a plastic pots fi lled with heavy clayey soil in a plastic fi lm house. Water was automatically supplied to the soil surface of each pot by drip irrigation and, in the control plot, soil water was kept to the level which was lower than the fi eld capacity but applied no water stress to the plants. Irrigation amount at a time was set to 0.1 L / pot in all plots before fl owering. After fl owering, water stress treatments were incorporated by reducing single irrigation amount to 0.07 L / pot. The treatments were incorporated from fl owering to early seed fi lling stage in a 'former stress (FS) plot' and from early seed fi lling stage to harvesting in a 'latter stress (LS) plot'. As little drainage from pot was occurred, the amount irrigated should be nearly equal to evapotranspiration amount. Seed size was largest in the FS plot and smallest in the LS plot. The seed coat cracking ratio did not signifi cantly differ among plots, but differ among cultivations for each cultivar. The seed coat cracking ratio was not signifi cantly correlated with the average seed size of each plot. The seed coat cracking ratio was smaller in 2014 for 'Shurei' and in later seeding in 2015 for 'Sato-no-hohoemi', possibly because temperature, vapor pressure defi cit, solar radiation and transpiration requirement after pod setting were smaller in those cultivation periods compared with the other cultivation periods for each cultivar.

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Development of Testing Method Using a Growth Regulator for the Resistance to Seed Coat Cracking in Soybean (Glycine max (L.) Merr.).

Cited by 2 publications

References 8 publications

Genetic variability for susceptibility to seed coat mechanical damage and relationship to end‐use quality in kidney beans

Genetic variability for susceptibility to seed coat mechanical damage and relationship to end‐use quality in kidney beans

Effect of water stress during reproductive growth stage on the seed size and seed coat cracking ratio of soybean in pot experiment

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