Lymphomatoid granulomatosis associated with bilateral exudative retinal detachments.
摘要：
Analysis of tissues of lettuce seedlings failed to reveal the presence of anthocyanin, pheophytin or phenolic compounds as the cause of red cotyledons (physiological necrosis). The cells in the necrotic tissues were completely disintegrated with only the mitochondria identifiable. In greenhouse and field plantings necrotic seedlings that survived produced heads equal in size and total yield to those from normal seedlings. Seedlings with slight spotting were a few days behind normal seedlings in establishment, whereas those which were badly necrotic were later by about 2 weeks. After 8 weeks in the greenhouse or field there was no difference in plant size between normal and damaged seedlings. Seedlings with only slight necrosis appeared to be satisfactory for field planting, but badly necrotic ones would probably not give a satisfactory stand.-Colo, agric. Exp. Stat., Fort Collins.
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DOI：
10.1001/archopht.125.5.712
被引量：
年份：
2007
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