Ulas Abdullah, Doganci Esat, Ulas Firdes, Yetisir Halit
Soil Science and Plant Nutrition Department, Agricultural Faculty, Erciyes University, Kayseri 38039, Turkey.
Horticulture Department, Agricultural Faculty, Erciyes University, Kayseri 38039, Turkey.
Plants (Basel). 2019 Mar 25;8(3):77. doi: 10.3390/plants8030077.
In this study, two hydroponic experiments were conducted in nutrient solution growth system. Experiments were conducted in growth chamber of Erciyes University, Agricultural Faculty in Kayseri, Turkey. In the first experiment, 10 local Turkish bottle gourd genotypes and two commercial watermelon cultivars were screened under 2 N doses (0.3 mM and 3.0 mM N) in RBD design with three replications for six weeks. In the second experiment, four genotypes (N-efficient: 70-07 and 07-45, N-inefficient: 35-10 and 45-07) were selected and used as rootstock for grafting with N-inefficient watermelon cultivar (Crimson Sweet) under 2 N doses. The grafted N-efficient gourd genotypes (07-45 and 70-07) significantly contributed to growth and biomass production of the N-inefficient watermelon plants as compared to non-grafted control plants and thus showed a higher rootstock potential for watermelon. The N-efficiency of some gourd genotypes was associated with vigor root growth and active root system particularly at low N conditions. These traits could be useful characters to select 'N-efficient' bottle gourd rootstocks for sustainable agriculture in the future.
在本研究中，在营养液生长系统中进行了两项水培实验。实验在土耳其开塞利埃尔西耶斯大学农业学院的生长室中进行。在第一个实验中，采用随机区组设计，在2种氮素剂量（0.3 mM和3.0 mM氮）下，对10个土耳其本地葫芦基因型和2个商业西瓜品种进行了筛选，重复3次，为期6周。在第二个实验中，选择了4个基因型（氮高效型：70 - 07和07 - 45，氮低效型：35 - 10和45 - 07），并在2种氮素剂量下用作砧木，与氮低效型西瓜品种（绯红甜蜜）进行嫁接。与未嫁接的对照植株相比，嫁接的氮高效葫芦基因型（07 - 45和70 - 07）对氮低效西瓜植株的生长和生物量生产有显著贡献，因此显示出对西瓜较高的砧木潜力。一些葫芦基因型的氮效率与根系活力生长和活跃的根系系统有关，特别是在低氮条件下。这些性状可能是未来为可持续农业选择“氮高效”葫芦砧木的有用特征。
