评估植物生长调节剂 SPGP4 在农作物中的应用:墨西哥瓦哈卡案例研究

Crops Pub Date : 2024-05-07 DOI:10.3390/crops4020013
G. N. Lopez-Castillo, Arnoldo Wong-Villareal, Judith Castellanos-Moguel, Gilberto Vela Correa, S. Cabrera-Hilerio, Mariana Miranda-Arámbula, A. Carrasco-Carballo, Jesús Sandoval-Ramírez
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引用次数: 0

摘要

寻找新的植物生长调节剂是农业研究的基石,但实验室研究很少在田间进行评估。这是因为需要更大的产量和更长的研究时间。尤其是黄铜类固醇,尽管在农作物上对其进行了评估并取得了良好的效果,但其高昂的生产成本使人们不得不寻找新的替代品。以前在硅学和体外研究中使用过的 22-卵甾烷(如 SPGP4)已显示出巨大的潜力,因此在研究地区用本地种子种植的农作物中对其进行评估就变得很有意义。基于这些数据,我们在墨西哥瓦哈卡州特万特佩克地峡地区的三块农田中对 SPGP4 进行了作物条件下的评估。在播种前一天晚上,用 0.5 mg/L 的 22-氧代胆甾烷化合物 SPGP4 水溶液浸泡种子。播种 45 天后,每公顷施用 200 升 0.5 mg/L 的溶液。在生产层面,豆类的收成增加了 21.0%-38.1%,玉米的收成增加了 22%-32%。此外,由于玉米植株的直径和高度增加,后者的生物量产量也有所增加。这表明,SPGP4 在作物生长水平上具有调节植物生长的功能,可提高种子和生物量产量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of the Plant Growth Regulator SPGP4 in Agricultural Crops: A Case Study in Oaxaca, México
The search for new plant growth regulators is a cornerstone of agricultural research; however, laboratory studies rarely go on to be evaluated in the field. This is because greater production is required, as well as longer studies. Particularly, brassinosteroids present these difficulties, and although they have been evaluated in crops with good results, their high production cost gives rise to the search for new alternatives. 22-Oxocholestanes such as SPGP4, previously used in silico and in vitro studies, have shown great potential, so their evaluation in crops grown from native seeds from the study region becomes of interest. Based on these data, SPGP4 was evaluated under crop conditions in three agricultural plots located on the Isthmus of Tehuantepec region, Oaxaca, México. The seeds were treated with a 0.5 mg/L aqueous solution of the 22-Oxocholestane compound SPGP4 by imbibition one night before sown. Later, 45 days after sowing, a solution of 0.5 mg/L at a rate of 200 L per hectare was applied. At the production level, the bean harvest showed an increase in the range of 21.0–38.1%, and the corn harvest increased between 22 and 32%. In addition, the latter also demonstrated an increase in biomass production, given the increase in diameter and height observed in the corn plant. This indicates that SPGP4 functions as a regulator of plant growth at the crop level to increase both seed and biomass production.
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