广东省东莞林科园菠萝蜜种质资源调查与评价

对广东省东莞林科园菠萝蜜种质资源进行系统调查，通过生物学特征、生长状况、开花结果习性、丰产性、抗逆性以及果实性状、品质调查分析，综合评价其农艺性状和果实品质。结果表明，干苞型约占30％，湿苞型占70％，其中干苞型包括1个橙苞、2个金黄苞和57个淡黄苞单株；均能适应当地的气候条件，生长良好；金黄苞型综合品质最好，橙苞次之，淡黄苞相对最差。

Investigation and evaluation of jackfruit germplasm resources in Dongguan Forestry Park

Through the investigation and analysis of the biological characteristics, growth condition, flowering habit, yielding ability, resistance, fruit character and quality, the agronomic traits and fruit quality of the jackfruit germplasm resources was evaluated comprehensively. The results show that 30% of the jackfruits are the type of dry bract, and 70% are wet bract type. In addition, the dry bract type includes 1 orange bract, 2 golden yellow bracts and 57 light yellow bracts. All of them can adapt to the local climate con- ditions with good growth. The comprehensive quality of golden bract type is the best, next is the orange bract, least is the light yellow bract.