论文部分内容阅读
1. 套袋。红富士苹果选用双层腊纸袋,套袋时间从6月上旬到6月下旬,套袋前喷一遍广谱内吸性杀菌剂和高效低毒低残留的杀虫杀螨剂。套袋按先上后下、先内后外的顺序进行。摘袋在寒露前后进行,一般在一天中袋内外温差较小时去袋,先去掉外层袋,间隔3～5个晴日后,再去掉内层袋。红富士苹果去袋后,果面洁净、光滑,着色鲜红、均匀,大大提高了全红果率。 2.摘叶转果。摘袋后将果实周围的遮光叶片去掉、摘叶时保留叶柄,摘叶量不超过总叶量的20%～30%。摘叶后一周,进行转果,果实向阳面达到着色标准后,将背阴面转到向阳面,并用塑料胶带牵引固定,促使果实全面
Bagging Red Fuji apple selection of double wax paper bags, bagging time from early June to late June, before spraying a broad spectrum of systemic bactericide and high efficiency and low toxicity of residual pesticides and miticides. Bagging by the first and last, after the first sequence. Picking bags before and after the cold, usually in a day when the temperature difference between inside and outside the bag to the bag, first remove the outer bag, an interval of 3 to 5 sunny days, and then remove the inner bag. Red Fuji apple bags, the surface clean, smooth, bright red, uniform, greatly improving the rate of whole red fruit. 2. pick leaves turn fruit. After removing the bag, the light-shielding leaves around the fruit are removed, and the petiole is retained when the leaves are picked, and the amount of the removed leaves is not more than 20% to 30% of the total amount of the leaves. Pick leaves a week after the turn fruit fruit to the sun to reach the color standards, the sun to the sunny side, and traction with plastic tape to promote full fruit