Suppression of sprouting in Irish potato tubers by crude oils from plants
1991
Quintana, E.G. | Bautista, O.K. (Philippines Univ., Los Banos, College, Laguna (Philippines). Dept. of Horticulture)
The main problem of potato (Solanum tuberosum L.) tubers during storage is sprouting. Sprout inhibitors available to farmers are not affordable and generally are effective only under low temperature. In an attempt to help solve this problem, a series of experiments was done from 1989-1991 to screen for a sprout inhibitor that works under ambient conditions using crude oils from plants. Various oil concentrations from balanoy (Ocimum basilicum L.), oregano (Coleus amboinicus Lour), patchouli (Pogostemon cablin (L.) Benth.), solasi (Ocimum sanctum L.) and yerba buena (Mentha cordifolia Opiz.) were tried on 'Granola' and 'Cosima' tubers. They were evaluated in terms of percent sprouting, days to sprouting, percent disease incidence, percent weight loss, degree of shrivelling and change in color and firmness. Lowest percent sprouting (23.3 percent) was observed in tubers treated with patchouli oils compared to the control. Most of the tubers in the same treatment remained in good quality 120 days after harvest
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