干热区澳芒树体不同方向果实外观品质研究  

Study on Appearance Quality of‘R2E2’Mango Fruits Grown in Different Directions of the Plant in Dry and Hot Areas

作　　者：段元杰 孟富宣[1] 刘海刚[1] 方海东[1] 杨玉皎 孙漫莹 郭淑萍[1] DUAN Yuan-jie;MENG Fu-xuan;LIU Hai-gang;FANG Hai-dong;YANG Yu-jiao;SUN Man-ying;GUO Shu-ping(Tropical Eco-agricultural Research Institute,Yunnan Academy of Agricultural Sciences/Yuanmou Dry-Hot Valley Botanical Garden,Yuanmou 651300,PRC)

机构地区：[1]云南省农业科学院热区生态农业研究所元谋干热河谷植物园,云南元谋651300

出　　处：《湖南农业科学》2021年第3期21-24,共4页Hunan Agricultural Sciences

基　　金：云南省科技计划项目(2019BC001)。

摘　　要：在元谋县苴林村芒果园内以澳芒为研究对象,比较了干热条件下澳芒采收期树体不同方向果实的果径、单果重以及果皮色差值和色素含量的差异。结果表明:树体顶部的果实外观品质最好,西面受到午后强光和高温胁迫的影响,果实着色均匀度差,果径和单果重最小,北面光照强度不足,光合产物和花色苷合成较少,着色较差,果径和单果重较小。建议在生产中通过修剪或者调整行向等措施调节果面接受的光照强度,从而改善果实外观品质,不建议北坡建园。‘R2E2’mango fruits were picked from the mango orchard of Julin Base in Chuxiong,Yunnan and taken as the experimental material to compare the difference of fruit diameter,single fruit weight,the value of peel color difference and pigment content of fruits grown in different directions of the plant at harvest time in the dry-hot condition.The results showed that the top fruits had the best appearance quality;affected by strong light and high temperature in the afternoon,the fruits in the west were poor in the uniformity of coloring with the smallest fruit diameter and single fruit weight;the light intensity in the north was insufficient,the synthesis of photosynthetic products and anthocyanins was less,so the fruit surface coloring was poor,the fruit diameter and single weight were small.In production,we suggest adjusting the light intensity of fruit surface by pruning or adjusting the row direction to improve the appearance quality.Do not choose the north slope to build orchards.

关 键 词：澳芒 果径 单果重 色差值 色素含量 

分 类 号：S667.7[农业科学—果树学]