Parameter Genetik Karakter Komponen Buah pada Beberapa Aksesi Nanas

Hadiati, Sri; Murdaningsih, H K; Baihaki, A.; Yuwariah, Yuyun

doi:10.24198/zuriat.v14i2.6799

Cited by 5 publications

(6 citation statements)

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“…It is further explained in Table 5 below. The grouping of genetic diversity according to [22], namely, KKG 0-25% belongs to the category of low genetic diversity, relative KKG 25-50% belongs to rather low genetic diversity, KKG 50-75% belongs to the category of low genetic diversity in rather high genetic diversity, and KKG 75-100% belong to high genetic diversity.…”

Section: Resultsmentioning

confidence: 99%

Agronomic Appearance, Genetic Parameters of Red and Black Rice (Oryza sativa L.) in Different Environments Dry Land

Sudarmayanti

Muliarta²,

Sudika³

2022

PoS

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Increasing yield and adaptability of brown and black rice in functional suboptimal environments begins with increasing genetic diversity through conventional crosses between diverse germplasm. This study aims to determine the yield, genetic diversity, heritability, and interactions between rice genotypes in two different growing environments. The study was conducted in April-August 2021. The study was designed using a two-factor Randomized Block Design (RAK) with three replications. The first factor genotype consisted of 15 treatments, namely: 6 brown rice lines (G1-G6), five black rice lines (G7-G11), three the parents are Baas Selem (G13), Situpatenggang (G14), and GH Padi red rice (the elder of the brown rice line) and one comparison variety Inpago Unram 1 (G15). The second factor consists of two locations: Tampak Siring Village, Batukliang District (379 m a.s.l.) and Mujur Village, Praya Timur District (103 m a.s.l.) Central Lombok Regency. The results showed that the yield of Inpago Unram 1 (G15) was higher than other genotypes, namely 7.10 t/ha. The lines with the exact yield as the GH of red rice (brown rice strain parent) and Situ Patenggang (black rice parent) were G6 and G10 with a value of 5.21 t/ha and 5.35 t/ha, respectively. High heritability values were indicated by plant height and grain yield, while the other traits were classified as low to moderate with a range below 0.20 to 0.45. The coefficient of genetic diversity in the number of productive tillers was relatively high, namely 51.27%. Slightly low values were obtained for plant height and number of non-productive tillers with values of 38.63% and 48.26%, respectively. Developing G6 and G10 genotypes are recommended because they have higher yields. All tested genotypes were able to adapt to two different growing environments.

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Section: Resultsmentioning

confidence: 99%

Agronomic Appearance, Genetic Parameters of Red and Black Rice (Oryza sativa L.) in Different Environments Dry Land

Sudarmayanti

Muliarta²,

Sudika³

2022

PoS

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“…57.91%. High estimated heritability indicated that genetic factor was more important in determining variance of a character compared to environmental factor, this value determined progress of selection (Hadiati et al, 2003). Number of timer bud that dropped before being open showed high CVG and CVP, but estimated heritability was included in low category.…”

Section: Resultsmentioning

confidence: 99%

“…The pod maturity age, percentage of opened flower, and number of bean per pod had low CVG and CVP as well as low H (Table 5) so that those characters were more influenced by environmental factor than by genetic factor. Breed heritability estimation showed that those characters were easily inherited, therefore the selection activity could be done in early generation (Hadiati et al, 2003). Heritability value could be used as a basic in simultaneous selection (Nasution, 2010).…”

Section: Resultsmentioning

confidence: 99%

Phenology of Flowering and Pod Maturity on Some Cocoa Clones (Theobroma cacao L)

Sari

Susilo

2015

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Phenology of flowering is an important aspect in the growth cycle of cocoa (Theobroma cacao L.) because the performance of plant especially flowering is linked with anthesis time, time and duration of stigma receptivity, fruit formation, crossing, and seed development which determine the plant breeding programs . Research was conducted at the Kaliwining experimental station of Indonesian Coffee and Cocoa Research Institute (ICCRI). The cocoa plant was originated from top grafting seedling with the age of eight years. Design of experiment was randomized complete block design consisted of eight clones as treatment with three replications. Each plot consisted of 20 sample flowers. The parameters observed were phenology of flowering and pod maturity. Phenology of flowering observed were age of flowering, number of opened flower buds, number of flower buds that dropped before being opened, number of flower buds that dropped after being opened, and number of opening flowers that developed into tiny fruits. Observation on pod and been quality was done on pod size, pod weight, pod length, pod girth, and bean number. The result of experiment showed that difference in phenologyof flowering and age of pod maturity existed within eight cocoa clones tested. KKM 22 showed the shortest flowering age and pod maturity, and lowest number of beans. The highest success of pollination was observed on Sca 6 and KW 617. ICCRI 03, Sulawesi 03, ICCRI 07, KKM 22 and KW 617 showed relative low success of pollination, that iswas between 10 to 17.6%. Age of flower opening did not significantly influence age of pod maturity, on the other hand it did not negatively influence percentage of flower opening and percentage of pollinated flowers. The characteristic of flowering age had high genetic coefficient of variation as well as high estimated value of heritability. Percentage number of flower buds that dropped before open showed high genotypic and phenotypic coefficient of variation, however the estimated heritability was grouped in low category. The characteristic of pod maturity age, percentage of flower opening and bean number in each pod had low values of genotypic and phenotypic coefficient of variation,and low heritability.

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“…Improving character through plant breeding tends to be difficult. According to Hadiati et al (2003), broad genetic variability will provide a higher chance of selection.…”

Section: High Enoughmentioning

confidence: 99%

Qualitative Characteristics and Genetic Parameters of F3 Purple Corn Lines from Open Pollination Hybridization

2023

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Purple corn is a cereal plant that has health benefits. Purple corn contains anthocyanins, which are useful as anticancer and antioxidants, and has high nutritional value. Improving the quality of corn production can be done through plant breeding. This study aimed to determine the value of variability, heritability and expected genetic advance of F3 purple corn from open-pollinated hybridization. The research was conducted from December 2020 to April 2021 at Universitas Bangka Belitung. The study used a single plant design experimental method. The selection used was ear to row. The results showed that the color of the seeds of the F3 line was dominated by orange. The lines have different quantitative characters. The lines that have the most purple color were F3-PXU-11-25, F3-PXU-6-16, and F3-PXU-11-20. The value of phenotypic variability and genotypic variability of the broad criteria was found in the weight of corn cob with husk and without husk. The broad heritability was high on the weight corn cob with and without husk. The value of the expected genetic advance progress of the high criteria was on the characters of cob length, the weight of 100 seeds, the weight of corn cob with husk, and the weight of corn cob without husk.

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Parameter Genetik Karakter Komponen Buah pada Beberapa Aksesi Nanas

Cited by 5 publications

References 0 publications

Agronomic Appearance, Genetic Parameters of Red and Black Rice (Oryza sativa L.) in Different Environments Dry Land

Agronomic Appearance, Genetic Parameters of Red and Black Rice (Oryza sativa L.) in Different Environments Dry Land

Phenology of Flowering and Pod Maturity on Some Cocoa Clones (Theobroma cacao L)

Qualitative Characteristics and Genetic Parameters of F3 Purple Corn Lines from Open Pollination Hybridization

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