叶面积对葡萄转色病影响的试验葡萄转色病又叫水罐子病，是一种生理病害，主要发生在早熟品种。葡萄近成熟时发病，１９８０年我市引进早熟品种３０余个，到１９８６年全市已发展一万余亩，当大面积投产时，却深受转色病的危害大面积绝产，为此，我们从肥水方面作过许多试... Test on the effect of leaf area on color turning disease of grape Grape color change disease, also called water jar disease, is a physiological disease mainly occurring in precocious varieties. When the grapes were almost mature, the city introduced more than 30 precocious varieties in 1980. By 1986, the city had developed more than 10,000 mu. When the large-scale production was started, it was greatly affected by the serious disease of color-changing diseases. To this end, We have done many trials from fertilizer