Pengaruh pengeringan dan letak benih dalam buah terhadap viabilitas benih pepaya (Carica papaya L.)

Influence of seed drying and the location of seed on viability of papaya seed (Carica papaya L.)

Abstract

This research was conducted at the Laboratory of Seed Technology Faculty of Agriculture, University of North Sumatra, Medan in March until April 2016 using a completely randomized design with two factors. The first factor is drying (0, 1, 2, 3, 4) and the second factor is the location of the seeds (base, middle and end). The parameters measured were the germination rate, germination test (germination normal, abnormal, and the seeds are not grown), vigor index, seedling fresh weight and seedling dry weight. The results showed that the drying treatment significantly affected all parameters of observation, the drying treatment were affected increases the germination rate, vigor index, germination normal, seedling fresh weight, seedling dry weight and the drying treatment was affected the seeds are not grown. The location of seed treatment had no significant effect on all parameters of observation. The interaction between the treatment of seed drying and the location of seed significantly affected all parameters of observation.

Penelitian ini dilaksanakan di Laboratorium Teknologi Benih Fakultas Pertanian Universitas Sumatera Utara, Medan pada bulan Maret sampai dengan April 2016 menggunakan Rancangan Acak Lengkap dengan 2 faktor. Faktor pertama yaitu pengeringan (0, 1, 2, 3, 4) dan faktor kedua yaitu letak benih (pangkal,tengah dan ujung). Parameter yang diamati adalah laju perkecambahan, uji daya kecambah (kecambah normal, abnormal dan benih yang belum tumbuh), indeks vigor, bobot segar kecambah, dan bobot kering kecambah. Hasil penelitian menunjukkan bahwa perlakuan pengeringan berpengaruh nyata terhadap seluruh parameter pengamatan, perlakuan pengeringan nyata meningkatkan laju perkecambahan, kecambah normal, indeks vigor, bobot segar kecambah, bobot kering kecambah dan perlakuan pengeringan nyata menurunkan benih belum tumbuh. Perlakuan letak benih tidak berpengaruh nyata terhadap seluruh parameter pengamatan. Interaksi antara perlakuan pengeringan dan konsentrasi letak benih berpengaruh nyata terhadap seluruh parameter pengamatan.