Prediction of Bitter Pit in 'Honeycrisp' Apples and Best Management Implications

被引：26

作者：

Baugher, Tara Auxt ^{[1
]}

Marini, Richard ^{[2
]}

Schupp, James R. ^{[3
]}

Watkins, Christopher B. ^{[4
]}

机构：

[1] Penn State Univ, Cooperat Extens Adams Cty, 670 Old Harrisburg Rd, Gettysburg, PA 17325 USA

[2] Penn State Univ, Dept Plant Sci, 119 Tyson Bldg, University Pk, PA 16802 USA

[3] Penn State Univ, Fruit Res & Extens Ctr, 290 Univ Dr, Biglerville, PA 17307 USA

[4] Cornell Univ, Sch Integrat Plant Sci, Plant Sci Bldg, Ithaca, NY 14853 USA

来源：

HORTSCIENCE | 2017年 / 52卷 / 10期

关键词：

Malus Xdomestica; calcium disorders; prediction of postharvest disorders; apple peel analysis; mineral nutrition; FRUIT-QUALITY;

D O I：

10.21273/HORTSCI12266-17

中图分类号：

S6 [园艺];

学科分类号：

0902 ;

摘要：

During a 3-year study of bitter pit in commercial 'Honeycrisp' apple (Malus xdomestica) orchards, incidence was associated with low calcium (Ca) levels in fruit peel; high ratios of nitrogen (N), potassium (K), and/or magnesium (Mg) to Ca in fruit peel; excessive terminal shoot length; and low crop load. Peel N and Mg concentrations were negatively correlated and peel Ca concentration positively correlated with crop density (CD). Shoot length (SL) was not consistently correlated with peel N, Mg, or phosphorus (P) and was negatively correlated with only Ca. A two-variable model that included SL and the ratio of N to Ca explained more than 65% of bitter pit incidence. The model has implications for best management of the cultivar in the field and during storage.

引用

页码：1368 / 1374

页数：7

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