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Comparative performance and digestive physiology ofDiaphania indica(Lepidoptera: Crambidae) onTrichosanthes anguina(Cucurbitaceae) cultivars
Bulletin of Entomological Research ( IF 1.9 ) Pub Date : 2020-06-02 , DOI: 10.1017/s0007485320000255
Rahul Debnath 1 , Syed Husne Mobarak 1 , Paroma Mitra 1 , Anandamay Barik 1
Affiliation  

Diaphania indica(Saunders) (Lepidoptera: Crambidae) is an important phytophagous pest ofTrichosanthes anguinaL. in India. We studied life table parameters by age-stage, two-sex, amylolytic and proteolytic activities, and food utilization parameters ofD. indicaon the leaves of threeT. anguinacultivars (Baruipur Long, Polo No. 1 and MNSR-1). Further, nutrients (total carbohydrates, proteins, lipids, amino acids and nitrogen) and antinutrients (total phenols, flavonols and tannins) in leaves were determined. The development time (egg to adult emergence) was the shortest on MNSR-1 (19.79 d) and the longest on Polo No. 1 (25.72 d). Fecundity was the highest and lowest on MNSR-1 (259 eggs) and Polo No. 1 (151.22 eggs), respectively. The lowest intrinsic rate of increase (rm) and net reproductive rate (R0) ofD. indicaon Polo No. 1 were 0.1112 d−1and 27.22 offspring individual−1, respectively. The mean generation time (T) was the shortest on MNSR-1 (23.99 days) and the longest on Polo No. 1 (29.70 d). The larvae ofD. indicafed with MNSR-1 had the highest level of amylolytic and proteolytic activities, and the lowest activities were in the larvae fed with Polo No. 1. The fifth-instar larvae fed with Polo No. 1 had the lowest consumption index and growth rate. The higher larval development time and lower fecundity ofD. indicaon Polo No. 1 were due to the lower level of nutrients and a higher level of antinutrients than other cultivars. Our results concluded that Polo No. 1 cultivar could be suggested for cultivation.

中文翻译:

Diaphania indica (Lepidoptera: Crambidae) 对葫芦科 (Cucurbitaceae) 品种的比较性能和消化生理

籼稻(Saunders)(鳞翅目:蟹科)是一种重要的植食性害虫苦瓜L. 在印度。我们研究了年龄阶段、两性、淀粉分解和蛋白水解活性以及食物利用参数的生命表参数D.籼稻在三片叶子上T. anguina品种(Baruipur Long、Polo No. 1 和 MNSR-1)。此外,测定了叶子中的营养物质(总碳水化合物、蛋白质、脂质、氨基酸和氮)和抗营养物质(总酚、黄酮醇和单宁)。发育时间(卵到成虫出现)在 MNSR-1 上最短(19.79 天),在 Polo 1 号上最长(25.72 天)。MNSR-1(259 个卵)和 Polo No. 1(151.22 个卵)的繁殖力分别最高和最低。最低的内在增长率(r) 和净繁殖率 (R0) 的D.籼稻Polo 1 号为 0.1112 d-1和 27.22 后代个体-1, 分别。平均生成时间 () 在 MNSR-1 上最短(23.99 天),在 Polo 1 号上最长(29.70 天)。的幼虫D.籼稻饲喂MNSR-1的淀粉水解和蛋白水解活性最高,饲喂Polo 1号幼虫的活性最低。饲喂Polo 1的5龄幼虫消耗指数和生长速度最低。幼虫发育时间越长,繁殖力越低D.籼稻与其他品种相比,Polo No. 1 的营养成分含量较低,抗营养成分含量较高。我们的结果得出结论,可以建议种植 Polo 1 号品种。
更新日期:2020-06-02
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