نتایج جستجو برای: globodera rostochiensis
تعداد نتایج: 420 فیلتر نتایج به سال:
AMONG IMPORTANT NEMATODE SPECIES OCCURRING IN JAPAN, CURRENT RESEARCH ACHIEVEMENTS WITH THE FOLLOWING FOUR NEMATODES ARE REVIEWED: 1) Soybean cyst nematode (SCN), Heterodera glycines - breeding for resistance, race determination, association with Cephalosporium gregatum in azuki bean disease, and isolation of hatching stimulant. 2) Potato-cyst nematode (PCN), Globodera rostochiensis - pathotype...
The outline area of new cysts of Globodera rostochiensis was measured by image analysis. A linear regression of this value against egg content provided a basis for adjusting the egg number for cyst size. This adjusted egg content provides an estimate of the relative fullness of a cyst with eggs. This value showed an exponential decline in eggs over 3.5 years since the last potato crop. It corre...
The effects of extraction technique, sample size, soil moisture level, and overflow rate on recovery of Globodera rostochiensis and (or) Heterodera schachtii cysts from organic soils were investigated. A modified Fenwick can (MFC) and an underflow elutriator (UE) described in this paper were evaluated and compared for cyst recovery efficiency and amount of organic flotsam collected. The MFC and...
Plant parasitic nematodes need to overcome the barrier presented by plant cell wall in order invade their host. A variety of degrading enzymes are present endoparasitic including that degrade cellulose (beta 1,4 endoglucanases) and various pectin components. We describe cloning functional analysis genes encoding GH53 arabinogalactan endo-1,4-beta-galactosidases from three related Globodera rost...
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