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Basic shoot characteristics predict the cropping potential of young sweet cherry (Prunus avium L.) trees
New Zealand Journal of Crop and Horticultural Science ( IF 1.2 ) Pub Date : 2021-02-10 , DOI: 10.1080/01140671.2021.1876109
Tadeusz Jacyna 1 , Tomasz Lipa 1 , Łukasz Seliga 1
Affiliation  

ABSTRACT

The basic shoot characteristics of ‘Karina’ and ‘Sylvia’ sweet cherry (Prunus avium L.) trees grafted on Gisela 3, Gisela 5, Piku 4, Weiroot 72 and F12/1 rootstocks were examined 3 years after planting. In both cultivars, F12/1 achieved a greater shoot length (SL) and diameter (SD) and a lower number of flower clusters per cm SL (NFC·cm−1 SL) than the other rootstocks. Furthermore, although the two cultivars had different growth vigour, they exhibited similar differences in SL, SD and NFC·cm−1 SL among the rootstocks. The correlation between SL and NFC·cm−1 SL was 34.4% and 39.9% greater than the correlation between SD and NFC·cm−1 SL in ‘Karina’ and ‘Sylvia’, respectively. Regression analysis for both cultivars on particular rootstocks and for the mean values across the rootstocks showed that there was a logarithmic relationship between SL and NFC·cm−1 SL, with r2 values of 0.703 and 0.694 for ‘Karina’ and ‘Sylvia’, respectively, when the responses were fitted by logarithmic function models. The minimum and maximum NFC·cm−1 SL predicted by these models were approximately 0.01 and 0.9 (for SL = 145 and 7 cm, respectively) for ‘Karina’ and 0.0 and 0.9 (for SL = 150 and 5 cm, respectively) for ‘Sylvia’. These findings combined with data obtained in previous studies suggest that NFC·cm−1 SL can be used as an index for predicting the fruiting potential of young sweet cherry trees.



中文翻译:

基本的枝条特征预测了年轻甜樱桃(Prunus avium L.)树的种植潜力

摘要

种植3年后,检查了嫁接在Gisela 3,Gisela 5,Piku 4,Weiroot 72和F12 / 1砧木上的'Karina'和'Sylvia'甜樱桃(Prunus avium L.)树木的基本芽特征。与其他砧木相比,在两个品种中,F12 / 1的芽长(SL)和直径(SD)都更高,每厘米SL(NFC·cm -1 SL)的花簇数也更少。此外,尽管两个品种的生长活力不同,但它们在砧木之间的SL,SD和NFC·cm -1 SL表现出相似的差异。SL与NFC·cm -1之间的相关性比SD与NFC·cm -1之间的相关性分别大34.4%和39.9%SL分别在“ Karina”和“ Sylvia”中。对特定砧木的两个品种以及砧木的平均值进行回归分析表明,SL和NFC·cm -1 SL之间存在对数关系,“ Karina”和“ Sylvia”的r 2值分别为0.703和0.694,分别通过对数函数模型拟合响应时。这些模型预测的 'Karina'的最小和最大NFC·cm -1 SL分别约为0.01和0.9(分别针对SL  = 145和7 cm)和0.0和0.9(分别针对SL  =  150和5 cm)。 '西尔维亚'。这些发现与先前研究中获得的数据相结合,表明NFC·cm -1 SL可以用作预测年轻甜樱桃树结实潜力的指标。

更新日期:2021-03-16
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