منابع مشابه
1 Pea Root Rot and Results of Variety Evaluations
Root rot is an important and widespread disease that often causes significant reduction in the yield and quality of harvested peas throughout the production areas in New York. Pea root rot can be caused by one of several soilborne pathogens or various combinations of root pathogens and also non-pathogens. In recent years, Fusarium solani f. sp. pisi (causal pathogen of Fusarium root rot) has be...
متن کاملRole of nitrogen content of pea (Pisum sativum L.) on pea aphid (Acyrthosiphon pisum Harris) establishment
The leaf nitrogen content is generally accepted as an indicator of food quality and as a factor affecting host selection by phytophagous insects. The alate pea aphids (Acyrthosiphon pisum Harris, Aphididae) were given a choice among non-nodulated pea plants (Pisum sativum L.) supplied with one of four nitrate-N levels (0, 3, 15 and 30 mM). When whole plants were exposed to aphids for 7 days, th...
متن کاملIn vitro callus induction for determination of lectin activity in pea (Pisum sativum L.) variety (AP-1)
From 8-10 days old seedlings of Pisum sativum L. (variety AP-1), various parts root, cotyledon as well as leaf were separated to use as explants. Root and cotyledonary explants did not show any response on MS (Murashige & Skoog) media supplemented with 2, 4-D at a concentration of 5 ppm. However, leaf explants showed callus formation on this media. The callus so formed was subcultured on MS med...
متن کاملBayesian peA
The technique of principal component analysis (PCA) has recently been expressed as the maximum likelihood solution for a generative latent variable model. In this paper we use this probabilistic reformulation as the basis for a Bayesian treatment of PCA. Our key result is that effective dimensionality of the latent space (equivalent to the number of retained principal components) can be determi...
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ژورنال
عنوان ژورنال: Czech Journal of Genetics and Plant Breeding
سال: 2009
ISSN: 1212-1975,1805-9325
DOI: 10.17221/76/2008-cjgpb