Effective weed management depends on correct control timing, which seedling emergence dynamics. Since soil temperature and moisture are the two main factors that determine germination, hydrothermal time model can be used to predict their emergence. The aim of this study was estimate base (Tb) water potential (?b) for germination Chenopodium album, Amaranthus retroflexus, Setaria pumila, Panicum...

Weed behaviour in crop fields has been extensively studied; nevertheless, limited knowledge is available for particular cropping systems, such as no-till systems. Improving weed management under conditions requires an understanding of the interaction between residues and seedling emergence process. This study aimed to evaluate influence maize wheat residues, applied three different quantities (...

Background: There are many therapeutic methods for allergic conditions. CpG oli-gonucleotides play a critical role in immunity via the augmentation of Th1 and suppres-sion of Th2 responses. Objective: In the present study we aimed to estimate the effec-tiveness of intranasal administration of CpG ODN plus Chenopodium album allergen in allergic asthma compared with the administration of allergen...

The Amaranthaceae family is composed of about 180 genera and 2500 species. These common weeds have become increasingly relevant as triggers of allergy in the last few years, as they are able to rapidly colonize salty and arid soils in extensive desert areas. The genera Chenopodium, Salsola, and Amaranthus are the major sources of pollinosis from the Amaranthaceae family in southern Europe, west...

A potential new post-emergence physical weed control tactic is described. It entails plant abrasion and death upon assault from abrasive grits propelled by compressed air. Grit derived from granulated walnut shells was delivered by a sand blaster at 517 kPa at distances of 300–600 mm from seedlings of Chenopodium album in glasshouse pots. Control was influenced by size of plants at time of trea...

The pollen calendar of Agra was recorded with special reference to allergenic significance. Pollen grains of 35 species belonging to 23 angiosperm families have been identified out of a total catch of 24,220/m3 of air annually. High occurrence of pollen grains in air belonged to Asteraceae (5222/m3) and Parthenium hysterophorus contributed the maximum (17.91%) of the total airspora. Higher coun...