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首页> 外文期刊>Journal of Economic Entomology >Assessing stink bug resistance in soybean breeding lines containing genes from germplasm IAC-100
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Assessing stink bug resistance in soybean breeding lines containing genes from germplasm IAC-100

机译：评估含有IAC-100种质基因的大豆育种系的抗臭虫能力

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Sixty-five soybean, Glycine max (L.) Merr., breeding lines containing the stink bug resistant 'IAC-100' in their pedigrees were evaluated for their resistance to stink bug, primarily southern green stink bug, Nezara viridula L., feeding in replicated field trials from 2001 to 2005. Plots were sampled throughout the season for stink bug abundance, and, at harvest, seed samples were rated for stink bug-induced kernel damage. Individual seeds were categorized as having none, light, moderate, or heavy damage plus 100-seed wt and plot yields were determined. Both ground cloth and sweep net sampling procedures were used to compare stink bug densities between the soybean entries. Stink bug densities varied between years; however, in the years when populations exceeded four per row-meter or six per 25 sweeps, there were more damaged soybean seeds (>25%) in the entries with higher stink bug numbers. During the first 2 yr of evaluations, the mean stink bug-damaged soybean seeds ranged from 10.0 to 38.2%. From these differential responses, 28 entries were selected for continued study in 2003-2004. In 2003, stink bug-damaged soybean seeds were low, with damage ranging from 2.9 to 18.2%. In 2004, stink bug damage ranged from 8.8 to 53.2%. From these 28 lines, 12 entries were selected for an advanced field screening trial in 2005, including the IAC-100 and 'Hutcheson'. Damaged soybean seeds ranged from 18.5 to 54.1% among these 12 entries in 2005, under heavy stink bug pressure. From these evaluations, four breeding lines with either Hutcheson x IAC-100 or IAC-100 x V71-370' in their genealogy were identified as possible breeding material for future soybean stink bug resistance cultivar development.
机译：评估了在其系谱中包含抗臭虫“ IAC-100”的65个大豆Glycine max（L.）Merr。繁殖系对臭虫的抵抗力，主要是南方绿色臭虫Nezara viridula L.在2001年至2005年的重复田间试验中进行了研究。在整个季节对地块进行采样，以获取臭虫的丰度，并在收获时对种子样品进行评估，以评估臭虫引起的果仁损害。将单个种子分类为无，轻，中或重度伤害加上100粒重，并确定地块产量。地面布和扫网取样程序均用于比较大豆条目之间的臭虫密度。臭虫的密度随着年份的变化而变化。但是，在每行米超过四行或每25次扫描超过六行的年份中，条目中的大豆种子受损较多（> 25％），且臭虫数量更高。在评估的前两年中，受臭臭虫破坏的大豆种子的平均比例为10.0％至38.2％。从这些不同的反应中，选择了28个条目用于2003-2004年的继续研究。 2003年，臭虫损坏的大豆种子很低，伤害范围为2.9％至18.2％。 2004年，臭虫伤害范围为8.8％至53.2％。从这28条品系中，包括IAC-100和“ Hutcheson”在内的2005年高级现场筛选试验共选择了12条。在臭虫的沉重压力下，2005年这12个条目中受损的大豆种子占18.5％至54.1％。通过这些评估，确定了四个具有其家谱的Hutcheson x IAC-100或IAC-100 x V71-370'的育种系，作为未来大豆抗臭虫抗性品种发展的可能育种材料。

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