Bottom-up effects of various potato cultivars on the performance of Tuta absolut

IF 5.6 1区农林科学 Q1 ENTOMOLOGY

Entomologia Generalis Pub Date : 2024-04-18 DOI:10.1127/entomologia/2024/2291

Yun Yang, Yan Wang, Guangzu Du, Wenqian Wang, Ganlin Sun, Bin Chen, Limin Zhang

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Abstract

The South American tomato leaf miner, Tuta absoluta (Lepidoptera: Gelechiidae) is a worldwide devastating insect pest of tomato. The pest has also been found to be damaging potato, but little is known about the performance on potato. To evaluate the adaptability of T. absoluta on potato and screen the resistant cultivars, the performance of T. absoluta was determined on four widely-grown potato cultivars (Qingshu No. 9 [QN9], Lishu No. 6 [LN6], Hezuo No. 88 [HN88] and Mila [MI]) in China using the age-stage two-sex life table, compared with tomato cultivar (Shouhe) as a control. The activity of several enzymes in the larvae were also determined. We found that T. absoluta could complete life cycles on the leaves and tubers of four potato cultivars, but was less harmful to tubers. The intrinsic rate of increase was the least on leaves of HN88, higher on leaves of QN9, LN6 and MI, and highest on tomato leaves. The lowest and highest fecundity of T. absoluta was recorded on the cultivar HN88 tubers and MI leaves, respectively. Moreover, the lowest pupal weight of T. absoluta was observed on the cultivar of QN9 leaves. The enzyme activities of the larvae feeding on difference cultivars did not show a clear pattern. In conclusion, T. absoluta showed high damage potential to potato, with the highest and lowest fitness to the potato cultivar MI and HN88, respectively. Considering bottom-up effects as a key driver in integrated pest management (IPM), the cultivars HN88 and QN9 could be preferably used in the IPM.

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各种马铃薯栽培品种对 Tuta absolut 产量的自下而上的影响

南美番茄潜叶蝇 Tuta absoluta（鳞翅目：Gelechiidae）是一种世界性的番茄毁灭性害虫。该害虫也被发现危害马铃薯，但人们对其在马铃薯上的表现知之甚少。为了评价 T. absoluta 在马铃薯上的适应性并筛选抗性品种，采用龄期双性生命表法测定了 T. absoluta 在中国广泛种植的 4 个马铃薯品种（青薯 9 号 [QN9]、丽薯 6 号 [LN6]、禾左 88 号 [HN88] 和米拉 [MI]）上的表现，并与番茄品种（首禾）作为对照进行了比较。同时还测定了幼虫体内几种酶的活性。我们发现，T. absoluta 可以在四个马铃薯栽培品种的叶片和块茎上完成生命周期，但对块茎的危害较小。HN88叶片上的内增殖率最低，QN9、LN6和MI叶片上的内增殖率较高，番茄叶片上的内增殖率最高。在 HN88 栽培品种块茎和 MI 叶片上记录到的 T. absoluta 的繁殖力分别最低和最高。此外，在 QN9 栽培品种的叶片上观察到的 T. absoluta 蛹重最低。取食不同栽培品种的幼虫的酶活性没有显示出明显的规律。总之，T. absoluta 对马铃薯的危害潜力很大，对马铃薯栽培品种 MI 和 HN88 的适应性分别最高和最低。考虑到自下而上的效应是害虫综合防治（IPM）的关键驱动因素，HN88 和 QN9 栽培品种可优先用于 IPM。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Entomologia Generalis 生物-昆虫学

CiteScore

7.10

自引率

18.80%

发文量

审稿时长

>12 weeks

期刊介绍： Its scope covers all aspects of basic and applied research dealing with insects and more broadly with arthropods inhabiting wild, agricultural and/or urban habitats. The journal also considers research integrating various disciplines and issues within the broad field of entomology and ecology. Entomologia Generalis publishes high quality research articles on advances in knowledge on the ecology and biology of arthropods, as well as on their importance for key ecosystems services, e.g. as biological control and pollination. The journal devotes special attention to contributions providing significant advances (i) on the fundamental knowledge and on sustainable control strategies of arthropod pests (including of stored products) and vectors of diseases, (ii) on the biology and ecology of beneficial arthropods, (iii) on the spread and impact of invasive pests, and (iv) on potential side effects of pest management methods. Entomologia Generalis welcomes review articles on significant developments in the field of entomology. These are usually invited by the editorial board, but proposals may be sent to the Editor-in-Chief for preliminary assessment by the editorial board before formal submission to the journal. The journal also considers comments on papers published in Entomologia Generalis, as well as short notes on topics that are of broader interest.