Hybridization between wild and cultivated potato species in the Peruvian Andes and biosafety implications for deployment of GM potatoes

The nature and extent of past and current hybridization between cultivated potato and wild relatives in nature is of interest to crop evolutionists, taxonomists, breeders and recently to molecular biologists because of the possibilities of inverse gene flow in the deployment of genetically-modified (GM) crops. This research proves that natural hybridization occurs in areas of potato diversity in the Andes, the possibilities for survival of these new hybrids, and shows a possible way forward in case of GM potatoes should prove advantageous in such areas

Influence of temperature during transport on shelf-life quality of highbush blueberries (Vaccinium corymbosum L. cvs. Bluetta, Duke)

Quality changes of highbush blueberry cultivars (Vaccinium corymbosum L. cvs. Bluetta, Duke) were evaluated as influenced by transport temperature. Neither cultivar remained marketable after 6 days or 16 days at room temperature or 10A degrees C. The 'Duke' cultivar had slightly lower weight loss than 'Bluetta,' but difference between the cultivars was not significant after 12 days of storage. Decrease of fruit firmness was delayed by storage at 10A degrees C for both cultivars, with 'Duke' blueberries being firmer than 'Bluetta'. Soluble solids content was 9.9 +/- 0.3 A degrees Brix for both cultivars, which was lower than previous reports, probably as a result of weather conditions before harvest. Organic acid content declined in both cultivars during storage. Hue value of the 'Bluetta' cultivar was higher #more purple-blue# than the 'Duke' cultivar, but Hunter L and hue angle did not change during storage. Fruit characteristics at harvest and postharvest maintenance of low temperature are clearly important factors affecting the post-harvest fruit quality during transportation and storage.OAIID:oai:osos.snu.ac.kr:snu2013-01/102/0000027607/4SEQ:4PERF_CD:SNU2013-01EVAL_ITEM_CD:102USER_ID:0000027607ADJUST_YN:YEMP_ID:A075898DEPT_CD:517CITE_RATE:0FILENAME:2013-4-heb-블루베리수송중품질-엄향란_홍세진.pdfDEPT_NM:식물생산과학부EMAIL:[email protected]_YN:NCONFIRM: