Bagging a significant impact on Pingguoli fruit color index, it reached the highest point at the time of 40 days after bloom, so it is the most suitable period for bagging.
套袋显著影响苹果梨果实着色指数与果面颜色，以盛花后40天套袋果实着色指数最大，故此时为套袋的最佳时期。
Fruit hardness increased with the bagging time deferred.
果实硬度随套袋时期的推迟有增大的趋势。
Fruit hardness increased with the bagging time deferred.
果实硬度随套袋时期的推迟有增大的趋势。
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