Crop Protection最新文献

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Optimization of foliar fungicide application timing for the management of Stemphylium leaf blight in pungent storage onions 辣味储藏洋葱茎枯病防治中叶面杀菌剂施用时机的优化

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-02-11 DOI: 10.1016/j.cropro.2026.107571

Douglas S. Higgins, Santosh Koirala, Mary K. Hausbeck

引用次数: 0

Field bioefficacy of an indigenous Bacillus thuringiensis biopesticide for sustainable management of chickpea pod borer (Helicoverpa armigera) and enhancement of grain yield 一种国产苏云金芽孢杆菌生物农药对鹰嘴豆螟可持续管理和提高粮食产量的田间生物功效

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-02-11 DOI: 10.1016/j.cropro.2026.107570

Ramasamy Kanagaraj Murali-Baskaran, Lata Jain, Jandrajupalli Sridhar, Kailash Chander Sharma

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Pigeonpea (Cajanus cajan) responses to Helicoverpa armigera herbivory and simulated herbivory at different crop stages 不同生育期鸽子对棉铃虫取食和模拟取食的反应

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-02-10 DOI: 10.1016/j.cropro.2026.107567

Trevor M. Volp, Myron P. Zalucki, Michael J. Furlong

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CYP303A1 contributes to thiamethoxam resistance in the small brown planthopper, Laodelphax striatellus (Fallén) CYP303A1与小褐飞虱对噻虫嗪的抗性有关

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-02-04 DOI: 10.1016/j.cropro.2026.107566

Futao Gao, Yubiao Cai, Zihao Wang, Junhua Zhu, Wenyan Li, Youwu Hao, Li Wang, Jiakai Wu, Yingdang Ren, Shiheng An, Xinming Yin, Xiangyang Liu

引用次数: 0

Aboveground thrips herbivory alters root morphology more in non-Bt cotton than in Bt cotton (Mpp51Aa2) 地上蓟马草食对非Bt棉花根系形态的影响大于Bt棉花（Mpp51Aa2）

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-02-03 DOI: 10.1016/j.cropro.2026.107557

Laissa Cavallini, Dominic D. Reisig, Renee Ackerman, Anders S. Huseth

引用次数: 0

Characterisation of pyridaben resistance in Tetranychus urticae in the Mediterranean basin 地中海盆地荨麻疹叶螨抗药性特征分析

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-01-30 DOI: 10.1016/j.cropro.2026.107552

Animesha Rath, Preetom Regon, Svetlana Konzedalov, Adi Kliot

引用次数: 0

Smallholder pepper farmers in Uganda: Production and key insect pest management practices 乌干达胡椒小农：生产和主要虫害管理做法

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-01-30 DOI: 10.1016/j.cropro.2026.107547

Esther Lugwana Nampeera, Sarah Mubiru, Daniel Mwesigwa Zziwa, Rebecca Akullo, Gerald Ddumba, Hassan Wasswa Kayondo, Gabriel Ddamulira

引用次数: 0

First report of Neopestalotiopsis iberica causing needle blight on Pinus massoniana 引起马尾松针叶枯病的伊比拉新拟多毛孢初报

IF 2.8 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-01-30 DOI: 10.1016/j.cropro.2026.107555

Kai-Yue Lü, Si-Yi Zhang, Yu Wan, Si Li, Jun-Ya Xie, De-Wei Li, Li-Hua Zhu

引用次数: 0

First report of Alternaria alternata causing soft rot in pitaya (Hylocereus polyrhizus) fruits in Rio Grande do Sul, Brazil 在巴西南巴西大德州发现引起火龙果（Hylocereus polyrhizus）果实软腐病的交替孢霉首次报道

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-01-28 DOI: 10.1016/j.cropro.2026.107554

Igor Henrique de Lima Costa , Gloria Emperatriz Suqui Carchi , Isabela Schneid Kroning , Maria Fernanda Fernandes Siqueira , Frederico Schmitt Kremer , Wladimir Padilha da Silva , Cândida Renata Jacobsen de Farias , Alvaro Renato Guerra Dias

This study reports the first case of Alternaria alternata causing soft rot in pitaya (Hylocereus polyrhizus) fruits in Rio Grande do Sul, Brazil. Symptomatic fruits were collected from a commercial orchard, and the pathogen was isolated, characterized both morphologically and molecularly (using ITS, GAPDH, and TEF-1α loci), and tested for pathogenicity. The colonies exhibited mycelial growth of 5.24 ± 0.35 cm after 7 days and 8.08 ± 0.37 cm after 14 days, with olive gray centers and light brown edges. The obclavate or obpyriform conidia had transverse (1–6) and longitudinal (0–3) septa, with a short apical tip (5–22.5 μm). Molecular analysis revealed 100 % similarity with A. alternata sequences in GenBank, confirming the pathogen via phylogenetic analysis. Pathogenicity tests produced dark brown, depressed lesions with a clear halo, characteristic of the disease, confirming Koch's postulates. The 100 % incidence in commercial fruit crops resulted in significant economic losses, exacerbated by favorable weather conditions. Thus, this study presents the first evidence of A. alternata associated with post-harvest soft rot in pitaya fruits in Brazil, underscoring the need for management strategies to reduce waste and economic losses along the production chain.

本研究报道了巴西南大德州（里约热内卢Grande do Sul）火龙果（Hylocereus polyrhizus）果实中第一例引起软腐病的交替孢霉。从某商业果园采集有症状的果实，对病原菌进行分离、形态和分子鉴定（利用ITS、GAPDH和TEF-1α位点），并进行致病性检测。菌落生长7 d后为5.24±0.35 cm， 14 d后为8.08±0.37 cm，菌丝中心呈橄榄灰色，边缘呈浅棕色。倒卵形或倒梨形分生孢子有横向（1-6）和纵向（0-3）隔，尖尖短（5-22.5 μm）。分子分析结果显示，与GenBank中的A. alternata序列具有100%的相似性，通过系统发育分析证实了该病原体。致病性测试产生了带有清晰光晕的深棕色凹陷病灶，这是该疾病的特征，证实了科赫的假设。商品水果作物100%的发病率造成了重大的经济损失，有利的天气条件加剧了经济损失。因此，本研究首次提出了与巴西火龙果采后软腐病相关的交替孢霉的证据，强调了采取管理策略以减少生产链上的浪费和经济损失的必要性。

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引用次数: 0

Toxicity of Ocimum basilicum L. (Lamiaceae) essential oil to Spodoptera frugiperda (J.E. Smith, 1797) (Lepidoptera: Noctuidae) and its selectivity for Telenomus remus Nixon, 1937 (Hymenoptera: Scelionidae) 罗勒香精油对夜蛾（J.E. Smith, 1797）（鳞翅目：夜蛾科）的毒性及对夜蛾的选择性

IF 2.5 2区农林科学 Q1 AGRONOMY

Crop Protection

Pub Date : 2026-01-28 DOI: 10.1016/j.cropro.2026.107551

Alejandro Sandria Díaz , Thalita Zanquetta Luz , Gabriel Ribeiro Mendes , Eliana Donizate Andrade , Suzan Kelly Vilela Bertolucci , Dejane Santos Alves , Geraldo Andrade Carvalho

Spodoptera frugiperda is an agricultural pest that has spread to several regions, with frequent reports of populations resistant to synthetic insecticides. Consequently, there is an increasing number of studies seeking novel control strategies compatible with beneficial organisms. This study aimed to: (i) evaluate the toxicity of Ocimum basilicum essential oil (EO) to S. frugiperda; (ii) chemically characterize O. basilicum EO; (iii) determine the toxicity of the EO's major compound to S. frugiperda; and (iv) assess selectivity of EO toward Telenomus remus. The EO was toxic to second-instar caterpillars (LD₅₀ = 13.36 μg of EO/caterpillar). Methyl chavicol was identified as the major compound (86.14 %) in EO and exhibited toxicity to S. frugiperda. The EO reduced the emergence of T. remus in the F₂ and F₃ generations when exposed during the egg and pupal stages within the natural host and was classified as harmless to slightly harmful according to the IOBC scale, without affecting parasitism rates. The sex ratio was reduced. The O. basilicum EO caused 100 % mortality in adult female T. remus. In conclusion, O. basilicum EO is toxic to S. frugiperda and induces transgenerational effects on T. remus emergence during the egg and pupal stages, while exhibiting high toxicity to adult females. These findings indicate that O. basilicum EO is compatible with T. remus during its immature stages and underscore the need for application strategies that prevent exposure of adult parasitoids in IPM programs.

狐尾夜蛾是一种农业害虫，已蔓延到一些地区，经常有报道称其种群对合成杀虫剂产生抗药性。因此，越来越多的研究寻求与有益生物兼容的新控制策略。本研究的目的是：(1)评价罗勒精油（EO）对果螨的毒性；（ii） basilicum EO的化学特征；（iii）测定精油的主要化合物对果蚜的毒性；以及（iv）评估EO对鼠尾绦虫的选择性。EO对二龄幼虫有毒性（LD50 = 13.36 μg /只）。甲基chavicol是其主要成分（86.14%），对frugiperda具有一定的毒性。在自然寄主的卵期和蛹期暴露于EO时，可减少F2代和F3代的黄颡鱼幼虫的羽化，并根据IOBC分级将其归类为无害至轻度有害，不影响寄生率。性别比降低了。basilicum EO对成年雌鼠的死亡率为100%。综上所述，basilicum EO对frugiperda具有毒性，并在卵期和蛹期诱导T. remus羽化的跨代效应，但对成年雌性具有高毒性。这些结果表明，basilicum EO在其未成熟阶段与T. remus兼容，并强调了在IPM计划中防止成虫暴露的应用策略的必要性。

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