Our results suggest that the interactions between CCaVd and non-CCaVd variants might play an important role in suppressing cachexia Lumacaftor price symptom expression. “
“During the last 15 years, European stone fruit yellows (ESFY) has become a major concern in Austrian fruit production. Therefore,
presence and temporal dynamics of its vector Cacopsylla pruni were investigated using a beating tray method and yellow sticky traps on Prunus armeniaca, Prunus domestica, Prunus spinosa and P. cerasifera nigra. Infection rates of C. pruni and Prunus spp. trees were assessed by direct, nested and real-time PCR. Movement of remigrants in a model apricot orchard was tracked by aid of a mark, release and recapture study. Insects were marked by fluorescent dyes. Movement of the marked insects and presence of naturally occurring insects were monitored by mTOR inhibitor yellow sticky traps. In 2011, remigration of C. pruni to Prunus spp. started in calendar week 10 (8th of March) and in 2012, in calendar week 12 (18th of March). Remigrants were observed until calendar week 20 (middle of May), significant numbers of the springtime generation adults were present until week 26 (end of June). The phytoplasma was ascertained in 0–11.5% of the remigrants and in 0–3.44% of the springtime generation insects. About 9.8–63.3%
of the apricot samples, 20–40% of the plum samples and single blackthorn samples were infected. The mark, release and recapture study proved a fast and frequent tree-to-tree movement
of remigrated C. pruni adults. Insects easily covered distances from row to row or even farther (ca. 13 m) within 24 h after release and were present in a large part of the model orchard after 8 days (up to 24 m from release point). “
“Fusarium crown rot (FCR) is a major disease of wheat and barley, and stem-base browning has been routinely used to measure resistance. Compared with barley (Hordeum vulgare L.), bread wheat (Triticum aestivum L.) shows less severe FCR stem-base browning symptoms (indicative of greater resistance or tolerance) but suffers higher yield loss find more (indicative of greater susceptibility), whereas durum wheat (T. durum Desf.) shows similar FCR severity but suffers much worse yield loss. To understand these differences, fungal biomass in bread and durum wheats and barley was estimated by real-time quantitative PCR at different stages of FCR disease development. Similar to a previous report on bread wheat infection by Fusarium graminearum, FCR infection caused by Fusarium pseudograminearum also showed ‘three distinct phases’ in each of the three crop species analysed. During all stages of FCR disease development, barley varieties invariably displayed earlier and faster fungal accumulation compared with either bread or durum wheat. Although suffering much greater yield loss than barley, durum wheat appears to accumulate significantly lower levels of F. pseodugraminearum during infection.