Pengaruh suhu dan lama penyimpanan terhadap viabilitas benih kapas (Gossypium hirsutum L.)

Hikmah, Dzaakiyatul (2011) Pengaruh suhu dan lama penyimpanan terhadap viabilitas benih kapas (Gossypium hirsutum L.). Undergraduate thesis, Universitas Islam Negeri Maulana Malik Ibrahim.

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Abstract

INDONESIA:

Kapas merupakan salah satu dari kelompok tanaman serat yang penting di Indonesia, sebab tumbuhan ini memiliki banyak manfaat. Kecenderungan penurunan produksi kapas dalam negeri disebabkan oleh banyak faktor. rendahnya vigor kapas sehingga biji sulit untuk berkecambah. Penyimpanan benih bermutu dengan menggunakan teknologi maju sangat dibutuhkan, selain untuk memenuhi kebutuhan benih untuk persediaan penanaman musim berikutnya, juga untuk kepentingan jangka panjang.

Teknik penyimpanan benih antara lain teknik kriopreservasi (penyimpanan benih pada suhu yang sangat rendah) metode ini penting dalam penyimpanan plasma nutfah untuk jangka panjang. Penelitian ini bertujuan mengetahui (1) pengaruh suhu terhadap viabilitas benih kapas (2) pengaruh lama penyimpanan terhadap viabilitas benih kapas (3) pengaruh interaksi suhu dan lama penyimpanan terhadap viabilitas benih kapas. Penelitian ini dilaksanakan pada bulan Juni-Agustus 2011, di Laboratorium Biologi Universitas Islam Negeri MALIKI Malang. Penelitian ini merupakan penelitian eksperimental dengan rancangan acak Lengkap (RAL) Faktorial dengan menggunakan 2 faktor, 12 kombinasi perlakuan dan 3 kali ulangan. Faktor pertama adalah suhu penyimpanan yang terdiri dari 4 taraf, yaitu: Suhu deep freezer (-70ºC), Suhu freezer (-5ºC), Suhu Lemari es (3ºC) dan Suhu ruang. Faktor kedua adalah lama penyimpanan yang terdiri dari 3 taraf, yaitu: (L1) 30 hari, (L2) 60 hari dan (L3) 90 hari. Kedua faktor dikombinasikan dan diamati pengaruhnya terhadap viabilitas (daya kecambah, vigor, waktu kecambah, dan panjang kecambah). Teknik analisis data menggunakan ANOVA dua jalur dan dilanjutkan dengan uji lanjut berupa uji Uji Jarak Duncan (DMRT) pada taraf 5%.

Hasil penelitian menunjukkan bahwa (1) ada pengaruh suhu penyimpanan terhadap viabilitas benih kapas meliputi daya kecambah, vigor, panjang kecambah, dan waktu kecambah. (2) ada pengaruh lama penyimpanan terhadap viabilitas benih kapas meliputi kecambah, vigor, panjang kecambah, dan waktu kecambah. (3) ada pengaruh interaksi suhu dan lama penyimpanan terhadap viabilitas benih kapas meliputi kecambah, vigor, panjang kecambah, dan waktu kecambah.

ENGLISH:

Cotton is one of important fiber group plant in Indonesia. It is because cotton has many significant uses. The inclining of cotton production in domestic country caused by several factors, for example the low of cotton vigor so as the seed hard to sprout out. In this case, the storage of qualified seed using high technology is needed. Besides that, it is important to fulfill the need of seed for next cultivating supply and for long-time period purposes.

The technical storage of cotton seed can be done for examples cryopreservation technique (technical storage in the lowest temperature), this method important in long storage seed plasma. This research purposes to understand (1) The temperature influence to cotton seed viability (2) the long storage influence to cotton seed viability (3) the influence of temperature and long storage interaction to cotton seed viability. This research has done in June until August 2011 in Biological Laboratory, The State Islamic University of Maulana Malik Ibrahim Malang. It is kind of experimental research with complete set random (RAL) factorial using 2 factors, 12 perpetration combination and 3-times repetition. First factor is temperature storage that insist of 4 levels those are deep freezer temperature freezer (-70ºC), freezer temperature (-5ºC), refrigerator temperature (3ºC) and space temperature. Second factor is long storage that insists of 3 levels, those are: (L1) 30 days, (L2) 60 days and (L3) 90 days. Both factors are combined and analyzed the influence into viability (sprout capacity, vigor, germination period and long-sprout). Data analysis technique using ANOVA in two lines and continued by advanced experiment using Duncan Distance Test (DMRT) in 5% level.

The result shows that (1) There is temperature storage influence into viability of cotton seed included sprout capacity, vigor, long-sprout and germination period. (2) There is long-period storage influence into viability of cotton seed included sprout capacity, vigor, long-sprout and germination period. (3) There is influence between temperature and long-period storage interaction into viability of cotton seed included sprout capacity, vigor, long-sprout and germination period.

Item Type: Thesis (Undergraduate)
Supervisor: Suyono, Suyono and Syarifah, Umaiyatus
Keywords: Benih Kapas; Suhu Penyimpanan; Lama Penyimpanan; Viabilitas; Cotton Seed; Temperature Storage; Long Storage; Viability
Subjects: 06 BIOLOGICAL SCIENCES > 0607 Plant Biology > 060703 Plant Developmental and Reproductive Biology
Departement: Fakultas Sains dan Teknologi > Jurusan Biologi
Location: 060703
Depositing User: Zulaikha Zulaikha
Date Deposited: 08 Sep 2015 02:17
Last Modified: 08 Sep 2015 02:17
URI: http://etheses.uin-malang.ac.id/id/eprint/1658

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