نتایج جستجو برای: heterodera schachtii
تعداد نتایج: 1099 فیلتر نتایج به سال:
Polyclonal antibodies were raised against Heterodera glycines eggshells to determine the feasibility of developing an immunoassay for H. glycines eggs. An indirect enzyme-linked immunosorbent assay (ELISA) was developed from anfisera collected 10 weeks after the initial injection. From serial dilutions of sonicated eggshells or whole eggs, a sensitivity of detection to 5 ng/ml sonicated eggshel...
Sedentary plant-parasitic cyst nematodes are biotrophs that cause significant losses in agriculture. Parasitism is based on modifications of host root cells that lead to the formation of a hypermetabolic feeding site (a syncytium) from which nematodes withdraw nutrients. The host cell cycle is activated in an initial cell selected by the nematode for feeding, followed by activation of neighbori...
Hirsutella rhossiliensis is a parasite of juvenile nematodes, effective against a diversity of plant-parasitic nematodes. Its global distribution on various nematode hosts and its genetic variation for several geographic regions have been reported, while the global population genetic structure and factors underlying patterns of genetic variation of H. rhossiliensis are unclear. In this study, 8...
The first internally transcribed spacer region (ITS1) from cyst nematode species (Heteroderidae) was compared by nucleotide sequencing and PCR-RFLP. European, Asian, and North American isolates of five heterodefid species were examined to assess intraspecific variation. PCR-RFLP patterns of amplified ITS1 DNA from pea cyst nematode, Heterodera goettingiana, from Northern Ireland were identical ...
Altlicarb residues in foliage of Beta vulgaris L. 21 days after transplanting to soil treated with 1-5 mug aldicarb/g soil were proportional to residues in storage roots, but 20 times as great. Initial concentrations of residues in roots 21 days after treatment were proportional to applied rates but declined by 56% when roots were stored 25 days at 24 C. Mean respective concentrations of aldica...
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