EFFECT OF NUTRIENT SUPPLY ON FRUIT QUALITY OF APPLE (Malus domestica BORKH.)

被引：0

作者：

Racsko, Jozsef ^{[1
]}

Szabo, Zoltan ^{[1
]}

Nyeki, Jozsef ^{[1
]}

机构：

[1] Univ Debrecen, Ctr Agr Sci, Inst Extens & Dev, Boszormenyi St 138, H-4032 Debrecen, Hungary

来源：

JOURNAL OF CENTRAL EUROPEAN AGRICULTURE | 2005年 / 6卷 / 01期

关键词：

apple; fruit quality; nitrogen; nutrient supply;

D O I：

暂无

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Observations were carried out in the eastern part of Hungary. In this experiment we studied the nutrient supply-reaction of four apple cultivars (Golden Delicious, Granny Smith, Idared and Jonathan Csany) under different Nand NPK-doses. The following fruit quality parameters were detected: fruit diameter, fruit height, fruit weight, flesh firmness, colour-cover and we studied the thicket of foliage of trees. The research results showed, that N-fertilization has a great effect on fruit quality. This appears in the cases of increase of fruit largeness. The increase is proportional to N-levels. Moderate N-doses plus PK-addition had also positive effects. The nutrient supply increased vegetative area in addition to the generative parts, in particular pure N fertilizer. But the thicked foliage hindered the growth of fruit weight and colour-cover, also decreased the fruit quality. And decreased the flesh firmness of cultivars, that has a negative effect on storageability.

引用

页码：35 / 41

页数：7

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