dc.contributor.advisor | Palupi, Endah Retno | |
dc.contributor.advisor | Permatasari, Okti Syah Isyani | |
dc.contributor.author | Khairani, Retno | |
dc.date.accessioned | 2022-06-08T04:58:59Z | |
dc.date.available | 2022-06-08T04:58:59Z | |
dc.date.issued | 2022 | |
dc.identifier.uri | http://repository.ipb.ac.id/handle/123456789/111985 | |
dc.description.abstract | Cabai (Capsicum annum L.) adalah salah satu komoditas hortikultura
dengan permintaan tinggi, namun produktivitasnya masih lebih rendah daripada
potensinya. Salah satu upaya meningkatkan produktivitas cabai adalah
penggunaan benih bermutu. Perlakuan invigorasi dapat meningkatkan vigor benih,
terutama keserempakan pemunculan benih di lapang sehingga pertumbuhan
tanaman lebih seragam. Penelitian ini bertujuan meningkatkan vigor benih cabai
yang telah mundur melalui perlakuan osmoconditioning dengan PEG 6000 dan
mempelajari daya simpan benih dan pertumbuhan benih di lapang setelah
invigorasi. Penelitian dilakukan di Laboratorium Teknik Benih dan Perbanyakan
Tanaman, Politeknik Pertanian Negeri Payakumbuh pada bulan Maret hingga
Agustus 2021. Penelitian terdiri atas 4 bagian percobaan, yaitu (1) Penetapan lama
perendaman benih cabai untuk invigorasi, dalam rentang waktu 18-26 jam, (2)
Penetapan tekanan osmotik yang tepat untuk invigorasi benih cabai, disusun
dalam Rancangan Acak Lengkap (RAL) satu faktor yaitu PEG 6000 tekanan -1,1
MPa dan -1,5 MPa, (3) Daya simpan benih setelah invigorasi, menggunakan
rancangan tersarang, terdiri atas faktor suhu penyimpanan yang tersarang pada
periode penyimpanan dan (4) Perkecambahan dan pertumbuhan vegetatif di
lapang setelah invigorasi benih. Hasil penelitian menunjukkan bahwa perendaman
selama 24 jam dalam osmotikum PEG 6000 bertekanan -1,1 MPa mampu
meningkatkan vigor dan viabilitas benih cabai yang telah mundur. Benih yang
diberi perlakuan osmoconditioning PEG 6000 -1,1 MPa mampu mempertahankan
mutunya selama 2 minggu dan meningkatkan daya tumbuh benih di lapang namun
tidak berpengaruh terhadap pertumbuhan vegetatif tanaman. | id |
dc.description.abstract | Chili (Capsicum annum L.) is one of horticultural crops with high demand.
Chilli productivity is generally lower than its potential. The use of quality seeds is
one of important steps to increase production seed invigoration is a treatment ti
improve viability and vigor, especially seed emergence inthe field thus increase
plant growth uniformity Improvement of seed quality can be achieved through
invigoration. This study was aimed to improve the quality of chili seeds by
osmoconditioning using PEG 6000 and to study the storability of the invigorated
seeds. The research was conducted at the Seed and Plant Propagation Engineering
Laboratory, Payakumbuh State Agricultural Polytechnic from March to August
2021. The research consisted of 4 experiments i.e, 1) Determin the soaking
duration for seed invigoration, within the range of 18-26 hours, 2) determin the
suitable osmotic pressure for expired chili seed invigoration, arranged in a
completely randomized design (CDR) with one factor i.e, PEG 6000 at -1,1 MPa
and -1,5 MPa with 4 replications, 3) seed stability after invigoration treatment,
using CRD nested design in which storage period was nested to storage
temperature, and 4) field emergence and vegetative growth in the field following
seed invigoration. The result showed that invigoration by soaking the seed in PEG
6000 at -1,1 MPa for 24 hour increased vigor and viability of expired chili seeds.
The improved vigor post osmoconditioning was able to be maintained for 2 weeks.
Osmoconditioning in PEG 6000 at -1,1 MPa increased field emergence but had no
effect on the vegetatif growth of the plants. | id |
dc.language.iso | id | id |
dc.publisher | IPB University | id |
dc.title | Perlakuan Osmoconditioning untuk Meningkatkan Vigor dan Daya Simpan Benih Cabai (Capsicum annum L) | id |
dc.title.alternative | Osmoconditioning Treatment to Increase Vigor and Shelf Life of Chili Seeds (Capsicum annum L) | id |
dc.type | Undergraduate Thesis | id |
dc.subject.keyword | expired seed | id |
dc.subject.keyword | soaking duration | id |
dc.subject.keyword | PEG 6000 | id |
dc.subject.keyword | seed storage | id |
dc.subject.keyword | vegetative growth | id |