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爱文芒原产于美国 ,含糖量高 ,含酸量低 ,品质优良 ,1984年引入我国 ,经在中国热带农业科学院南亚热带作物研究所 (广东省湛江市 )试栽表明 ,该品种花期较早 ,在当地 2月份开花 ,此时正赶上北方冷空气侵袭 ,加上阴雨连绵 ,造成受粉授精不良 ,果实小、产量低。为解决这一问题 ,?
Ai Wenmang native to the United States, with high sugar content, low acid content, high quality, introduced to China in 1984, by the Chinese Academy of Tropical Agricultural Sciences Institute of South Subtropical Crops (Zhanjiang City, Guangdong Province) pilot showed that the flowering Earlier, the local flowering in February, this time catch up with the northern cold air invasion, coupled with overcast and rainy days, resulting in poor powder fertilization, fruit is small, low yield. To solve this problem?