Pengaruh invigorasi benih hanjeli (Coix lacryma-jobi L.) terdeteriorasi terhadap mutu fisiologis serta dampaknya terhadap hasil

Abstract

Sumadi dan T. Nurmala : Pengaruh invigorasi benih hanjeli (Coix lacryma-jobi L.) terdeteriorasi terhadap mutu fisiologis serta dampaknya terhadap hasil Sumadi • T. Nurmala Pengaruh invigorasi benih hanjeli (Coix lacryma-jobi L.) terdeteriorasi terhadap mutu fisiologis serta dampaknya terhadap hasilThe effect of invigoration deteriorated job's tears seeds to physiological quality and its impact on yield Abstract. Seed invigoration is an effort to improve the quality of deteriorated seeds by various growth regulators, pesticides enriched with hormones, and biological agents. The objective of the study was to determine the appropriate substance for quality enhancement of deteriorated job's tears seeds and their impact on yield. High seed quality is one of the factors affected growth and yield. The experiment was conducted from November 2015 to June 2016 at the Experimental Stations, Faculty of Agriculture, University of Padjadjaran, Jatinangor, Sumedang. Experiments designed by split plot design that replicated three times. The main plot was two levels of deterioration of seeds, there were medium vigor seeds (germination capacity (GC) ± 80% ); deteriorated seeds or low vigor (GC ± 50%). Subplot consisted of five levels of invigoration treatment, there were control; soaking the seeds in 70 0 C hot water for 30 minutes; coating of seeds with thiametoxam; soaking the seeds in instant gibberellic acid (GA) and coating the seeds with Trichoderma compost solution. The results of the experiment showed that there was an interaction effect between the level of seed deterioration and seed invigoration as measured by seedling emergence potential, but no affected on yield components and seed weight per plant. Invigoration with GA and Trichoderma able to vigour increased of deteriorated seeds

Respons Peningkatan Perkecambahan Benih dan Pertumbuhan Bibit Tanaman Secang (Caesalpinia sappan L.) terhadap Penggunaan Zat Pengatur Tumbuh dan Media Tanam yang Berbeda

“…Perbaikan mutu benih untuk meningkatkan vigor dan viabilitas benih terdeteriorasi dapat dilakukan dengan perendaman benih menggunakan zat pengatur tumbuh (ZPT) sebelum penanaman (Sumadi & Nurmala, 2019). ZPT yang mampu bersinergi dalam mendorong diferensiasi pada suatu jaringan tanaman adalah kombinasi kerja dari ZPT sitokinin dan auksin (Asra dkk., 2020).…”