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Abstract
There were significant differences in marketable yield, culls, and days to flowering between monocropped and relayed tomatoes (Lycopersicon esculentum Mill.). Some breeding lines and accessions appeared more adapted to relay cropping and showed lower yield loss and less delay in flowering than others. Differences in yield and flowering time between relay cropped and monocropped tomatoes were attributed to partial shading.
Abstract
Less than 1% (38 of 4050 accessions) of the world collection of the garden tomato (Lycopersicon esculentum Mill.) and related Lycopersicon species displayed a high level of heat tolerance based on fruit setting ability at high temperature. Thirty of these heat-tolerant accessions belong to L. esculentum, 7 to L. pimpinellifolium and 1 is a cross between L. esculentum and L. pimpinellifolium.
Abstract
Evaluation of 381 sweet potato cultivais and 464 breeding lines for root yield under drought stress and minimum input conditions following a rice crop revealed certain genotypes that surpassed the tropical Asian yield average by at least 100%. Such genotypes appeared to possess both drought tolerance and good yielding ability.
Abstract
Steamed roots of promising breeding lines of sweet potato (Ipomoea batastas (L.) Lam) and cultivars were evaluated for flavor, dryness, stickiness, color, and general acceptability to determine selection criteria that influence general acceptability. The acceptability ranking of roots varied according to the nationality of the panel member. Based on the results of stepwise multiple regression analysis, it appeared that flavor and color would be good eating quality characteristics for predicting general acceptability of steamed sweet potato roots. Alcohol insoluble solids and total soluble solids after steaming contributed 85% to the variation of dryness in sweet potato roots.