Bemisia tabaci Gennadius (Hemiptera: Aleyrodidae) biotype B is a key pest of Solanum lycopersicum L. (Solanaceae) throughout the world. In this study, we examined the induction of resistance on tomato plants treated with SA, BABA, and Trichoderma either individually or in combination against B. tabaci biotype B through the assessment of some biological and behavioral aspects of this insect pest. Also, to understand the mode of action of these inducers, we correlated and analyzed the biochemical basis of plant resistance, by measuring levels of polyphenol oxidase (PPO), peroxidase (POD), phenylalanine ammonia lyase (PAL), and phenolic content in leaves of treated tomato plants. The longest development time of whitefly immature stages was recorded for plants treated with root β-aminobutyric acid application (RBABA) + root Trichoderma application (RT), root salicylic acid application (RSA) + RT, and RT. In a free-choice assay, B. tabaci adults showed a significantly lower preference for settling and oviposition in RBABA + RT, RSA + RT, and RT in comparison with control. In a no-choice assay, B. tabaci females laid significantly fewer eggs on treatments than those in control, with better results observed in RBABA + RT. Plants responded to different treatments and showed higher induction of PPO, POD, and PAL activities, besides the higher accumulation of phenols in RBABA + RT, RSA + RT, and RT treatments. These results suggest that RBABA + RT, RSA + RT, and RT could be utilized for the induction of effective plant defense against B. tabaci.

中文翻译：

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水杨酸，β-氨基丁酸和木霉引发的番茄抗烟粉虱。

B型烟粉虱（Bemisia tabaci Gennadius）（半翅目：Aleyrodidae）生物型B是全世界茄科茄属（Solanum lycopersicum L。）（Solanaceae）的一种主要害虫。在这项研究中，我们研究了用SA，BABA和木霉处理的番茄植株对烟粉虱的抗性诱导作用。通过评估该害虫的某些生物学和行为方面来评估B型生物。此外，为了了解这些诱导剂的作用方式，我们通过测量多酚氧化酶（PPO），过氧化物酶（POD），苯丙氨酸氨裂合酶（PAL）和叶片中的酚含量来关联和分析植物抗性的生化基础。处理过的番茄植株。记录了用根β-氨基丁酸施用（RBABA）+根木霉施用（RT），根水杨酸施用（RSA）+ RT和RT处理过的植物，粉虱未成熟期的最长发育时间。在自由选择测定中，烟粉虱与对照组相比，成年人对RBABA + RT，RSA + RT和RT的定居和产卵明显偏低。在无选择分析中，烟粉虱女性在处理过程中产卵的数量明显少于对照组，在RBABA + RT中观察到更好的结果。除RBABA + RT，RSA + RT和RT处理中酚类的积累较高外，植物对不同处理的反应也表现出较高的PPO，POD和PAL活性诱导。这些结果表明，RBABA + RT，RSA + RT和RT可用于诱导有效的针对烟粉虱的植物防御。