USM Sp 40-01: Promising sweetpotato cultivar
2003
Malacad, E.D. | Malinao, M.C. (University of Southern Mindanao, Kabacan, Cotabato (Philippines))
The development of high-yielding fresh market type sweetpotato helps alleviate food problem, especially during times of food scarcity due to poor soils and El Nino phenomenon. A sweetpotato cultivar, which showed promising performance in the multilocation trials, regarded as highly acceptable and preferred by the consumers due to its high dry matter content was developed. Results showed that USM [University of Southern Mindanao, Kabacan, Cotabato, Philippines] Sp 40-01 yielded 9.92 t/ha after two seasons of testing across locations. The cultivar grew well in sandy loam soil with pH 5.6-6.6 and average rainfall of 750-1,000 mm/year with 500 mm during the growing season. Other distinctive characteristics of this cultivar are the following: a) tuber skin color:white with shades of pink; b.) tuber flesh color: white; c.) dry matter content:35%; d.) sugar content: 2.83%; e.) starch content: 14.45%; and f.) acceptability ratings when boiled: 6.89. Pest/disease ratings: moderately susceptible to stem and foliage scab showed good performance for upland plain and hilly land. The production cost of 1-ha USM Sp 40-01 was P10,965. At an estimated price of P4/kg, a gross income of P28,800 and net income of P17,835 were realized
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