摘要
苹果套袋初期,高温易发生果实日灼现象,果实膨大期适温为20 27℃,成熟采收期为13 20℃;花芽分化期土壤保持最大含水量的60%为宜,果实膨大期需水量350 mm左右,成熟期连阴雨天气影响果实着色和采收;日照时数多,光照强,光质好,利于花芽分化、果实糖分积累和着色。摘袋时间因品质不同而异,应在阴天或多云天摘袋;若晴天摘袋,宜在10 14时进行。
There is sun burn phenomenon found on apple when temperature is very high at the beginning of bagging period, the suitable temperature is between 20 - 27 ℃ at fruit expanding stage and be- tween 13 -20 ℃ at ripe stage; 60% is the appropriate maximum soil moisture content in flower bud differentiation period, 350 mm is favorite water requirement at expanding stage and sustained overcast - with -rainy weather can affect the coloring and harvest at ripe stage; excessive, strong and fine sunshine is favorable for flower bud differentiation, sugar accumulation and coloring. Bag removing time changes by different quality, and it is good in cloudy weather; 10 am to 14 pm is favorite in sunny weather.
出处
《气象与环境科学》
2008年第B09期178-180,共3页
Meteorological and Environmental Sciences
关键词
苹果套袋
气象条件
管理措施
摘袋时间
apple bagging
weather conditions
management measures
bag removing time
