신개발 포도 비가림 시설의 특성과 캠벨얼리의 생육

Fruit cracking and vine leaf spot of grapes tend to occur when the plants were directly exposed to rain under outdoor culture. Rain shelter facility can be an alternative method to prevent the cracking and disease of grape, but it also has some limitations in practical usages. We designed rain shelter facility which can completely shut out the rain and ventilate naturally, and it was upgraded to meet the standards of disaster prevention against snow and wind load. The newly developed rain shelter has two-story roof structure, and the 2nd floor roof was equipped over 1st floor roof at a distance of 40㎝. For natural ventilation and water proof, the upper roof protruded about 50㎝ from the ridge of a 1st floor roof. The various tests were carried to examine such as grape quality, brown spot and fruit cracking of Campbell Early under the conventional and the newly developed rain shelter facility which was built about 100s?. In comparison of temperature between the conventional and the newly developed rain shelter facility when outside temperature was more than 34℃, the inside temperature was recorded as 40.7℃ and 37.4℃, respectively. There was no significant difference between the two facilities when outside was below 32℃ The quality such as soluble solids and marketable fruit was increased, and fruit cracking of grapes and vine leaf spot also drastically diminished in the newly developed rain shelter.