黄百香果炭疽菌的综合治理

R. Campo-Arana, Naudith Urango-Esquivel, Dairo J. Pérez-Polo
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引用次数: 1

摘要

炭疽病(Colletotrichum gloeosporioides)是西番莲最主要的限制性病害之一,使西番莲产量减少80%以上。本研究旨在评价炭疽病管理策略对西番莲作物卫生和产量的影响。我们对位于北纬8°44′52.7”、西经75°52′53.2”、西经75ma .s.l的San Isidro地区(Montería)的一种经济作物每15天交替施用杀菌剂(//)对炭疽病严重程度和作物产量的影响进行了评估。我们通过两个实验进行了这项研究;首先,我们评价了施用以下处理后病害指数(DI)的反应:T1=Manazeb (Mancozeb) //亚磷酸钾(Foscrop), T2=Mancozeb //钾(Terramin钾),T3=Mancozeb //钙(Terramin Calcium), T4=Trichoderma spp. (Fitotripen) //氯化铜,T5=Azoxystrobin (Amistar) // Mancozeb, T6=水喷对照。在第二个试验中,我们选择了最佳处理:T1 = Amistar // Mancozeb;T2 = Terramin钾// Mancozeb, T3 = Control。我们评估了DI、受影响果实的百分比、果实数/公顷和产量(Kg/公顷)。第一个实验结果表明,T1和T5控制炭疽病,与对照(T6)相比,严重程度降低了39.69%。在第二个试验中,与对照相比,T1使叶片严重程度降低了29.04%,每公顷果数和产量提高了200%。综上所述,在百香果栽培中,偶氮唑虫胺与麦纳泽布交替施用杀菌剂是防治炭疽病的有效选择。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Integrated management of Colletotrichum gloesporioides in yellow passion fruit (Passiflora edulis f. flavicarpa Degener)
Anthracnose (Colletotrichum gloeosporioides) is one of the most limiting diseases of yellow passion fruit, reducing crop production by more than 80%. This research aimed to assess anthracnose management strategies on yellow passion fruit crop sanitation and yield. We assessed the effect of alternating fungicide applications (//) every 15 days with foliar nutrients on the severity of anthracnose and crop yield in a commercial crop in San Isidro district (Montería), located at coordinates 8°44'52.7'' N, 75°52'53.2''W and 75m.a.s.l. We conducted this research in two experiments; in the first, we assessed the response of the disease index (DI) after the application of the following treatments: T1=Manazeb (Mancozeb) // Potassium phosphite (Foscrop), T2=Mancozeb // Potassium (Terramin potassium), T3=Mancozeb // Calcium (Terramin calcium), T4=Trichoderma spp. (Fitotripen) // Copper oxychloride, T5=Azoxystrobin (Amistar) // Mancozeb, and T6=Control sprayed with water. In the second experiment, we selected the best treatments, as follows: T1 = Amistar // Mancozeb; T2 = Terramin potassium // Mancozeb, and T3 = Control. We evaluated DI, percent of affected fruits, number of fruits/ha, and yield (Kg/ha). The results from the first experiment showed that T1 and T5 controlled anthracnose, reducing the levels of severity by 39.69% compared to the control (T6). In the second experiment, T1 decreased the levels of foliage severity by 29.04% and increased the number of fruits/ha and yield by 200% compared to the control. Overall, the fungicide application of Azoxistrobin alternating with Manazeb constitutes an effective alternative to control anthracnose in yellow passion fruit cultivation.
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