Relationship between N suplies and virus susceptibility in maize
1992
Gaborjanyi, R. | Doung, H.N. | Vasdinyei, R. (Magyar Tud. Akad. (Hungary). Novenyved. Kut. Int.)
The experiments were carried out on maize plants sown in sterile sand in 2 replications each on the genotypes Dea SC and Mirna SC, susceptible to strain MDMV-A, and Carmina SC and Florencia SC, tolerant to this strain. After planting, the plants were irrigated once a week with 50 ml Hoagland nutrient solution containing varying quantities of NO3-N (70, 280, 420, 630 mg/l). Inoculation was carried out by the rubbing method, using the sap of infected sweetcorn leaves as inoculum. In both cases N replenishment increased the number of infected plants and the intensity of the symptoms. The appearance of the symptoms was closely correlated with the virus concentration, i.e. at higher levels of N supply there was a rise in the virus content of diseased plants
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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