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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Indonesian Journal of Forestry Research JURNAL PEMULIAAN TANAMAN HUTAN Bioeksperimen: Jurnal Penelitian Biologi Jurnal Sylva Lestari Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek)
Liliana Baskorowati
Balai Besar Penelitian Bioteknologi dan Pemuliaan Tanaman Hutan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science Materials Science & Nanotechnology

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FLOWERING INTENSITY AND FLOWER VISITORS OF Santalum album L. AT EX-SITU CONSERVATION PLOT, WATUSIPAT, GUNUNG KIDUL, YOGYAKARTA Baskorowati, Liliana
Indonesian Journal of Forestry Research Vol 8, No 2 (2011): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

Flowering intensity, insects visiting flowers and pollinators of S. album were determined in a study conducted in an ex-situ conservation plot, Watusipat, Gunung Kidul, Yogyakarta. Observations were undertaken during flowering season in 2009 and 2010, with an objective to determine the patterns of flowering and flower visiting insects of S. album in this population. In this study site, S. album typically flowers twice a year and reaches a peak on June and November. Flowers are visited by various insects, major in honey bees and ants. Santalum album is predominantly cross pollinated by insects however, low number of fruit set found in an open pollination. Variation of flowering intensity and the degree of self-incompatibility may influence the low number of fruit production in this species.
STIGMA RECEPTIVITY AND POLLEN VIABILITY OF Melaleuca alternifolia Baskorowati, Liliana
Indonesian Journal of Forestry Research Vol 6, No 1 (2009): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

Stigma  receptivity based on seed set and pollen  tubes growth  following controlled pollination of flowers  of different  ages was examined  in Melaleuca alternifolia. The stigma secretion during 10 days after anthesis and pollen viability under three different temperatures and five storage times were also observed. These series of research were undertaken because successful controlled pollination of M. alternifolia depends on the application of viable pollen to the receptive compatible  stigma. The objective of this research was therefore to determine the stigma receptivity and pollen viability of M. alternifolia. Results showed that the stigma receptivity began to develop  on day  one and finished  on day  seven after anthesis,  peak receptivity occurred from day three to day six. The stigma receptivity also coincides with the appearance of secretion in the stigma, occurring  from day three to day seven after anthesis. Therefore,  the time for pollination of M. alternifolia appeared to extend for  approximately 7 days after anthesis. Data for M. alternifolia showed that regardless of storage temperature, pollen  was still  viable  after 26 weeks  of storage;  results also demonstrated  that the lowest temperature  (-18oC) was the best regime for long term storage.
GENETIC VARIABILITY IN RESISTANCE OF Falcataria moluccana (Miq.) Barneby & J. W. Grimes TO GALL RUST DISEASE Baskorowati, Liliana; Susanto, M.; Charomaini, M.
Indonesian Journal of Forestry Research Vol 9, No 1 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

POLLEN TUBES GROWTH FOLLOWING SELF- AND CROSSPOLLINATION IN Melaleuca alternifolia (Maiden & Betche) Cheel Baskorowati, Liliana
Indonesian Journal of Forestry Research Vol 6, No 2 (2009): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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VARIATION OF SEED PRODUCTION AND VIABILITY IN A FULL-SIB TRIAL OF Melaleuca cajuputi sub sp. cajuputi IN GUNUNGKIDUL YOGYAKARTA Baskorowati, Liliana; Susanto, Mudji; Prasetyono, Prasetyono; Kartikawati, Noor; Rimbawanto, Anto
Indonesian Journal of Forestry Research Vol 9, No 2 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

Family variation of capsule production and the seed viability in the Paliyan full-sib trial of Melaleuca cajuputi subsp. cajuputi, at Gunungkidul, Yogyakarta, were observed. The full-sib trial was designed as Incomplete Block Design, consisting of 39 families; six individual as tree plot and replicated in eight blocks. Height and diameter at breast height were assessed to identify the correlation between capsule category and growth performance. The capsule production was assessed visually to one of the capsule categories: “0” for none; “1” for light; “2” for medium and “3” for heavy. Results showed that each family of M. cajuputi sub sp. cajuputi equally contributed  to the seed production.   Progeny analysis showed that the seed productions were not strongly under genetic control (h2i) = 0.12. This study also found positive correlation between the flowering strength (the flower production levels) and the number of capsule (R2=0.279). However, there were no significant differences between the flowering levels and the viability of M. cajuputi sub sp. cajuputi. Mean seed viability was 31%,  there were no significantly differences of capsules production between trees having high flowering intensity and low flowering intensity. Low seed viability was assumed due to the unsynchronicity of flowering, leading to the low levels of outcrossing rate. Therefore, selection of families with synchronicity of flowering was recommended to establish a seed orchard.
KETAHANAN SERANGAN PENYAKIT KARAT TUMOR PADA UJI KETURUNAAN SENGON (Falcataria moluccana) DI BONDOWOSO, JAWA TIMUR Setiadi, Dedi; Susanto, Mudji; Baskorowati, Liliana
Jurnal Pemuliaan Tanaman Hutan Vol 8, No 1 (2014): Jurnal Pemuliaan Tanaman Hutan
Publisher : BBPPBPTH

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Abstract

As a part of tree improvement project of sengon (Falcataria moluccana L. Nielsen) several progeny test  were established in December 2011. One of those progeny test  was established in Bondowoso, East Java.  Row Column Desgin (Incomplete Block Design) was used as experimental design involving 70 families (9 Papua provenance and 1 provenance Solomon), 4 replications (blocks), 4 trees per plot and a spacing of 3 x 2 m. Observations were made at the age of 6 and 12 months, including recorded the percent of survival plants, height, diameter and the gall rust incidence. Results showed that in general, the early growth of individual plant in this plot demonstrated a fairly good performance with the survival rate of 98.5% (6 months old), and 96.9% (1 year old). The early growth of sengon varied significantly between provenances. The best growth demonstrated by provenances from Meagama, Holima and Hobikosi. Early estimation of individual heritability of plant height categorised in low (h2i= 0.07 to 0.11, h2f= 0.16 to 0.21), whereas individual heritability of diameter were catagorised in medium (h2i= 0, 08 to 0.27, h2f= 0.15 to 0.43). Moreover, the positive value of the genetic correlation revealed between height and diameter (0.88 and 0.85). Several individual trees originated from Holima, Meagama and Elagaima exhibited 0% of gall rust disease incidence.
MORFOLOGI PEMBUNGAAN DAN SISTEM REPRODUKSI MERBAU (Intsia bijuga) PADA PLOT POPULASI PERBANYAKAN DI PALIYAN, GUNUNGKIDUL Baskorowati, Liliana
Jurnal Pemuliaan Tanaman Hutan Vol 9, No 3 (2015): Jurnal Pemuliaan Tanaman Hutan
Publisher : BBPPBPTH

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Abstract

Informasi tentang morfologi pembungaan sebagai langkah awal mengetahui sistem reproduksi untuk menentukan langkah konservasi sangat diperlukan. Tujuan penelitian ini adalah untuk mengetahui morfologi pembungaan dan sistem reproduksi merbau. Pengamatan intensitas pembungaan dan pembuahan dilakukan setiap 1 minggu sekali selama 6 bulan mulai bulan Mei hingga November2013. Pengamatan perkembangan organ generatif dilakukan setiap hari untuk mengetahui tahapan perkembangan bunga dan buah.Hasil penelitian menunjukkan bahwa pembungaan tersusun dalam malai, hermaprodit dengan kemasakan bunga yang tidak serempak. Organ reproduksi bertipe heterostyly dan bersifat protandry. Tidak terdapat buah yang terbentuk dari hasil percobaan dengan penyebukan sendiri (self-pollination). Hal ini memperkuat dugaan tentang sistem polinasi silang (xenogamy). Pembungaan terjadi dua kali setahun dengan puncak pembungaan Juni dan November, diikuti dengan kemasakan buah pada 3 bulan berikutnya. Terdapat berbagai macam serangga yang mengunjungi bunga merbau, namun sangat sedikit serangga penyerbuk yang ditemukan pada populasi uji. Rendahnya keberhasilan reproduksi selain dikarenakan sedikitnya jumlah bunga dan serangga pengunjung, juga karena adanya ketidakcocokan berkawin sendiri, sehingga upaya melakukan perkawinan silang atau memperbanyak serangga penyerbuk perlu dilakukan.
Pengaruh Jfaktor lingkungan terhadap intensitas pembungaan Melaleuca alternifolia Baskorowati, Liliana
Jurnal Pemuliaan Tanaman Hutan Vol 7, No 1 (2013): Jurnal Pemuliaan Tanaman Hutan
Publisher : BBPPBPTH

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Abstract

A detiled knowledge of a species flowering phenology is essential for estimating the reproductive success. Time, frequency and intencity of flowering may vary within species due to genetic differences also modified by abiotic and biotic factors. For M. alternifolia, knowledge of flowering phenology is important to develope an efficient breeding strategy. therefore, this study were undertaken to find out the environmental factors influenced the flowering intensity of M. alternifolia. Flowering phenology assessments were undertaken by counting the number of buds, inflorescences and capsules of individual trees at natural population for 6 years. Where as the assesment of all individual trees at seed orchards were carried out by estimating the number of buds, inflorecences  capsules using 8 point scales during 4 years. the average of maximum and minimum temperatures and the rainfall datas were collected from meteorogical station close to study sites. This study revealed that M. alternifolia was remarkably consistent in its main flowering period both within an outside of its natural range in new south wales. This suggest that floral initiation was associated with day length pattern between sites in this study. Flowering intensity  of M. alternifolia appears to be strongly associated with the total rainfall during the spring flowering season with low temperature as trigger of floral initiation during winter months.
VARIATION OF SEED PRODUCTION AND VIABILITY IN A FULL-SIB TRIAL OF Melaleuca cajuputi sub sp. cajuputi IN GUNUNGKIDUL YOGYAKARTA Baskorowati, Liliana; Susanto, Mudji; Prasetyono, Prasetyono; Kartikawati, Noor; Rimbawanto, Anto
Indonesian Journal of Forestry Research Vol 9, No 2 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2012.9.2.73-80

Abstract

Family variation of capsule production and the seed viability in the Paliyan full-sib trial of Melaleuca cajuputi subsp. cajuputi, at Gunungkidul, Yogyakarta, were observed. The full-sib trial was designed as Incomplete Block Design, consisting of 39 families; six individual as tree plot and replicated in eight blocks. Height and diameter at breast height were assessed to identify the correlation between capsule category and growth performance. The capsule production was assessed visually to one of the capsule categories: “0” for none; “1” for light; “2” for medium and “3” for heavy. Results showed that each family of M. cajuputi sub sp. cajuputi equally contributed  to the seed production.   Progeny analysis showed that the seed productions were not strongly under genetic control (h2i) = 0.12. This study also found positive correlation between the flowering strength (the flower production levels) and the number of capsule (R2=0.279). However, there were no significant differences between the flowering levels and the viability of M. cajuputi sub sp. cajuputi. Mean seed viability was 31%,  there were no significantly differences of capsules production between trees having high flowering intensity and low flowering intensity. Low seed viability was assumed due to the unsynchronicity of flowering, leading to the low levels of outcrossing rate. Therefore, selection of families with synchronicity of flowering was recommended to establish a seed orchard.
FLOWERING INTENSITY AND FLOWER VISITORS OF Santalum album L. AT EX-SITU CONSERVATION PLOT, WATUSIPAT, GUNUNG KIDUL, YOGYAKARTA Baskorowati, Liliana
Indonesian Journal of Forestry Research Vol 8, No 2 (2011): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2011.8.2.130-143

Abstract

Flowering intensity, insects visiting flowers and pollinators of S. album were determined in a study conducted in an ex-situ conservation plot, Watusipat, Gunung Kidul, Yogyakarta. Observations were undertaken during flowering season in 2009 and 2010, with an objective to determine the patterns of flowering and flower visiting insects of S. album in this population. In this study site, S. album typically flowers twice a year and reaches a peak on June and November. Flowers are visited by various insects, major in honey bees and ants. Santalum album is predominantly cross pollinated by insects however, low number of fruit set found in an open pollination. Variation of flowering intensity and the degree of self-incompatibility may influence the low number of fruit production in this species.
Co-Authors Anto Rimbawanto bayu pamungkas Dedi Setiadi Eko Pujiono Fauzan, Yusuf Sigit Ahmad Fauzi, Mohammad Anis Hamdan Adma Adinugraha ILG Nurtjahjaningsih, ILG M. Charomaini M. Susanto Mashudi Mashudi Mashudi Mudji Susanto Noor Kartikawati Nurrohmah, Siti Husna Nurtjahjaningsih, Ida Luh Gede Prasetyono Prasetyono Rina Laksmi Hendrati Sugeng Pudjiono, Sugeng Sumardi Sumardi . Tri Rini Nuringtyas Wibisono, Mochamat Gunawan Wirabuana, Pandu Yudha Adi Putera