Effects of faba bean (Vicia faba) varieties on the development of Bruchus rufimanus

Abstract

Seidenglanz M., Huňady I. (2016): Effects of faba bean (Vicia faba) varieties on the development of Bruchus rufimanus. Czech J. Genet. Plant Breed., 52: 22-29.The development of Bruchus rufimanus was assessed in randomised field trials from 2005 to 2007 with eight faba bean genotypes (SU 5/13, SU-BT, Mistral, Merkur, Stabil Merlin, Melodie, Divine). Significant differences, reproducible between the years, were found between the faba bean lines. The varieties most attractive to B. rufimanus ovipositing females were SU-BT and Divine. Merkur showed a certain level of non-preference. The highest mortality rates of eggs and first instar larvae in pod valve tissues were recorded in Merkur (34-45%) and Divine (51-55%). The highest mortality rates of larvae and pupae during their development in seeds (effect of seed coat and cotyledon tissues) were recorded in Merkur (87-90%) and Melodie (87-99%). Parasitation by Triaspis thoracicus contributed to this mortality. The highest levels of B. rufimanus parasitation were found in SU-BT (32-35%), the lowest in Melodie (3-9%). The total reduction in Bruchus rufimanus individuals during their development was relatively high in all varieties, ranging from 72% to 99%.

Identification of Novel Sources of Resistance to Seed Weevils (Bruchus spp.) in a Faba Bean Germplasm Collection

“…The days from sowing date to first and last flowering and first pod-setting (50% of the plants of the accession) (DFF, DLF, and DFP, respectively) in each environment were noted and the duration of flowering (DF) was calculated. All these traits were related to the semi-early flowering (Seidenglanz and Huňady, 2016) and moderately susceptible control “MÉLODIE” to evaluate the effect that precocity may have on the incidence of infestation. In addition, the color of the flowers (FC) (Supplementary Figure 2A) and seeds (SC) (Supplementary Figure 2B) were noted because they are related to the content of tannins in the seed (Cabrera and Martin, 1986).…”

“…(pigeon pea) (Jadhav et al, 2012). In faba bean, no completely resistant accession has been identified so far (Seidenglanz and Huňady, 2016; Seidenglanz et al, 2017). The screening of germplasm collections with genetic diversity is thus necessary to successfully identify sources of resistance.…”

Faba Bean Cultivation – Revealing Novel Managing Practices for More Sustainable and Competitive European Cropping Systems

“…Other insects that infect faba bean crops are the pea leaf weevil ( Sitona lineatus L.) and broad bean weevil ( Bruchus rufimanus Boh. ; Evenden et al, 2016 ; Seidenglanz and Huņady, 2016 ). S. lineatus adults feed on the foliage, while the larvae feed on faba bean and pea root nodules, affecting their ability to fix nitrogen ( Cárcamo et al, 2015 ); treating seeds with thiamethoxam could be useful in controlling this insect ( Cárcamo et al, 2012 ).…”

Biology of broadbean seed beetle ( Bruchus rufimanus ; Coleoptera: Chrysomelidae) in Latvia

“…In faba bean sowings, yield losses caused by the seed beetle can vary over a relatively wide range. Depending on the variety, 10-50% of the seeds are infested, if plant protection activities are not performed (Kaniuczak 2004;Seidenglanz and Huňady 2016).…”