Respons Tanaman Paprika (Capsicum annuum var. grossum) terhadap Serangan Thrips parvispinus Karny (Thysanoptera:Thripidae)

Laksminiwati Prabaningrum, Tonny Koestoni Moekasan

Abstract


ABSTRAK. Penelitian mengenai respons tanaman paprika terhadap serangan Thrips parvispinus Karny telah dilaksanakan dari bulan Maret sampai Desember 2003 di Balai Penelitian Tanaman Sayuran di Lembang (1.250 m dpl). Tujuannya adalah mengetahui pengaruh waktu penyerangan T. parvispinus terhadap kerusakan tanaman dan kehilangan hasil. Penelitian ini menggunakan rancangan acak lengkap dengan 4 macam perlakuan, dan tiap perlakuan diulang sebanyak 8 kali. Macam perlakuan yang diuji adalah tanaman yang terserang mulai (a) 2 minggu setelah tanam, (b) 4 minggu setelah tanam, (c) 6 minggu setelah tanam, dan (d) 8 minggu setelah tanam. Hasil penelitian menunjukkan bahwa (1) serangan trips dapat menurunkan hasil panen paprika secara nyata, (2) serangan T. parvispinus dalam bentuk nimfa maupun imago memiliki pengaruh nyata terhadap penurunan hasil panen paprika, (3) semakin awal terjadinya serangan, semakin tinggi kerusakan tanaman dan penurunan hasilnya, baik secara kualitas maupun kuantitas, (4) tanaman berumur muda atau pada fase vegetatif lebih rentan terhadap serangan trips, dan (5) pengendalian trips pada tanaman paprika harus dilakukan sejak awal tanam.

ABSTRACT. Prabaningrum, L. and T.K. Moekasan. 2008. Response of Sweet Pepper (Capsicum annuum var. grossum) to Infestation of Thrips parvispinus Karny (Thysanoptera:Thripidae). The experiment was conducted from March until December 2003 at the Indonesian Vegetable Research Institute in Lembang. The aim of the study was to determine effect of time of initial infestation on plant damage and yield loss. Four treatments were arranged using randomized complete block design and each treatment was replicated 8 times. The treatments tested were plant infested at (a) 2 weeks after transplanting, (b) 4 weeks after transplanting, (c) 6 weeks after transplanting, and (d) 8 weeks after transplanting. Results showed that (1) thrips infestation could significantly reduce the yield, (2) infestation of both nymph and imago of thrips could significantly decrease the yield, (3) the earlier of plant infested the higher of plant damage and the yield loss, either the quantity or the quality, (4) the young plant or plant in vegetative periode was susceptible to thrips infestation, and (5) control measure of thrips has to be done earliest.


Keywords


Capsicum annuum; Respons; Thrips parvispinus; Kerusakan; Kehilangan hasil.

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DOI: http://dx.doi.org/10.21082/jhort.v18n1.2008.p%25p

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