scholarly journals KEMAJUAN GENETDX PADA DUA VARIETAS BARU KAPAS, KANESIA 8 DAN KANESIA

2020 ◽  
Vol 10 (2) ◽  
pp. 66
Author(s):  
. HASNAM ◽  
EMY SULISTYOWATI ◽  
SIWI SUMARTINI ◽  
FITRINTNGDYAH TRI KADARWATI ◽  
PRIMA D. RIAJAYA
Keyword(s):  
Gossypium Hirsutum ◽  
Competitive Ability ◽  
Fiber Strength ◽  
Fiber Quality ◽  
Insect Pest ◽  
Leaf Damage ◽  
High Yield ◽  
Good Tolerance ◽  
Breeding Lines ◽  
South Sulawesi

<p>Tujuan utama pemuliaan kapas di Indonesia adalah meningkatkan produktivitas dan kualitas serat dalam upaya meningkatkan pendapatan petani dan memperbaiki mutu benang tcnun seta kualitas tekstil yang harus bersaing di pasar internasional. Scjumlah enam persilangan telah dilakukan antara dua varietas dai India. I.RA 5166 dan SRT-1 dengan dua varietas dai Amerika Serikat, Dcltapine 55 dan Deltapinc Acala 90 dan satu vaietas dai Australia, Siokra. Seleksi individu, seleksi galur dan seleksi individu dalam galur dilaksanakan pada generasi F2 sampai F5 berdasarkan jumlah buah, tingkat kerusakan daun terhadap Sundapteryx biguttula. dan mutu serat; semua proses di atas dilakukan pada kondisi lahan tadah hujan, dan tanpa penggunaan insektisida terhadap tanaman; dari proses di atas diperoleh 12 galur harapan. Sejumlah 13 percobaan dilakukan antara tahun 1993 sampai dengan 2001 untuk mengamati kcragaan galur-galur baru tersebut; pengujian dilakukan di Jawa Timur dan Sulawesi Selatan, menggunakan teknik-teknik penelitian standar. Dengan proscdur ini dapat diidcntifikasi beberapa galur yang menunjuk¬ kan perbaikan serenlak hasil dan kualitas serat kapas. Beberapa penelitian juga dilakukan untuk mcngcvaluasi tanggap galur-galur tersebut pada tumpangsari dengan kedelai dan kacang hijau di Jawa Timur. Dua galur, 88003/16/2 dan 92016/6 (sudah dilepas dengan nama vaietas Kanesia 8 dan Kanesia 9 pada bulan Juni 2003), menunjukkan produktivitas dan kualitas serai yang lebih linggi. Rata-rata, kedua vaietas menghasilkan 1.85 ton dan 191 ton kapas berbiji per hektar atau 8-12% lebih tinggi dai hasil vaietas Kanesia 7 yang sudah dilepas sebelumnya. Persentase serat 35.2%, kekuatan serat berkisar antara 22.6-24.7 gram tex'1, serat lebih panjang dan berkisar 29.2-30.3 mm sedangkan angka mikroncr lebih rendah yang menyatakan bahwa serat lebih halus. Semua perbaikan di atas menunjukkan perbaikan mutu serat. Kanesia 8 dan Kanesia 9 juga menunjukkan peningkatan ketahanan terhadap Sundapteryx biguttula dan komplcks hama kapas. Kanesia 8 dan Kanesia 9 kurang kompctitif dalam tumpang sari dengan kedelai jika dibandingkan dengan Kanesia 7. Pada tumpang sari dengan kacang hijau Kanesia 8 juga mengalami kehilangan hasil yang tinggi, sedangkan Kanesia 9 menunjukkan toleransi yang tinggi dalam kompctisi dengan kacang hijau. Pelepasan Kanesia 8 dan Kanesia 9 akan memberikan pilihan varietas yang lebih banyak bagi petani dan perusahaan pemintalan untuk menyesuaikan dengan produk akhirnya.</p><p>Kata kunci : Gossypium hirsutum, prosedur pemuliaan, produktivitas, kualitas serat, Sundapteryx biguttula, tumpangsari</p><p> </p><p><strong>ABSTRACT </strong></p><p><strong>Genetic improvement on two new cotton varieties, Kanesia 8 and Kanesia 9</strong></p><p>The main objective of cotton breeding in Indonesia is to improve productivity and fiber quality which is aimed to increase farmers' income and to make beter yam and textile quality that has to compete in international market Six crosses were made between two Indian varieties, LRA 5166 and SRT-1 with two USA vaieties, Deltapine 55 and Deltapinc Acala 90 and one Australian variety, Siokra. Individual plants, lines and individual within lines were selected on F2-F5 generations based on boll- counts, leaf-damage by jassids and fiber traits, those were conducted under rainfed and insecticide-ree condition; twelve promising lines were produced from this process. A total of 13 trials were carried out to observe performance of these new lines during 1993 to 2001; those were located in East Java and South Sulawesi using the standardized experimental techniques. By these procedures make it possible to identify several breeding lines showing simultaneous improvement in yield and fiber quality. Several tests were also made to evaluate response of those lines under intercropping with soybean and mungbean, which were located in East Java. Two breeding lines, 88003/16/2 and 92016/6 (those have been released as Kanesia 8 and Kanesia 9 in 2003), showed higher productivity and fiber quality. In average, these new vaieties produced 1.85 and 1.91 ton ha'1 seed cotton respectively or 8 to 12% higher than those on Kanesia 7, the previously released vaiety. Lint turn-out was 35.2% fiber-strength was varied from 22.6 to 24.7 gram tex'1 , fiber lengths ranged from 29.2 to 30.3 mm with lower micronaire-valucs indicating better fiber-ineness. All of those improvements represented a trend toward a higher quality iber. Kanesia 8 and Kanesia 9 also showed a slight improvement in resistance to jasssids and insect pest-complex. Kanesia 8 and Kanesia 9 performed lower competitive ability under intercropping with soybean in comparison with Kanesia 7. Under intercropping with mungbean Kanesia 8 also suffered high yield loss, wherein Kanesia 9 showed good tolerance to mungbean. The release of Kanesia 8 and Kanesia 9 is expected to give a broader choice for the cotton growers and spinning-mills to match with their inal product.</p><p>Key words: Coton (Gossypium hirsutum), breeding procedure, productivity, liber quality, Sundapteryx bigullul. inter¬ cropping.</p>

scholarly journals Correlation Analysis of stem hardness traits with fiber and yield-related traits in core collections of Gossypium hirsutum

2020 ◽  
Author(s):  
Irum Raza ◽  
Dao-Wu Hu ◽  
Adeel Ahmad ◽  
Hongge Li ◽  
Shou-Pu He ◽  
...  
Keyword(s):  
Gossypium Hirsutum ◽  
Principal Components ◽  
Upland Cotton ◽  
Bending Strength ◽  
Fiber Strength ◽  
Fiber Quality ◽  
High Yield ◽  
Genotypic Difference ◽  
Phenotypic Traits ◽  
Compression Properties

Abstract Background Stem hardness is one of the major influencing factors for plant architecture in upland cotton (Gossypium hirsutum L.). Evaluating hardness phenotypic traits is very important for the selection of elite lines for resistance to lodging in Gossypium hirsutum L. Cotton breeder are interested in using diverse genotypes to enhance fiber quality and high-yield. The research for hardness and its relation with fiber quality and yield were very few. This study was designed to find the relationship of stem hardness traits with fiber quality and yield contributing traits of upland cotton. Results Experiments were carried out to measure the bending, acupuncture, and compression properties of the stem from a collection of upland cotton genotypes, comprising 237 accessions. The results showed that the genotypic difference in stem hardness was highly significant among the genotypes, and the stem hardness traits (BL, BU, AL, AU, CL, and CU) have a positive association with fiber quality traits and yield-related traits. Statistical analyses of the results showed that bending (BL, BU) has a maximum coefficient of variance and trait fiber length and fiber strength have less coefficient of variance among the genotypes. Principal component analysis (PCA) reduced quantitative characters into nine principal components. The first nine principal components (PC) with Eigenvalues >1 explained 86% of the variation among 237 accessions of the cotton crop. Both 2017& 2018, PCA results indicated that BL, BU, FL, FE, and LI variables contributed their variability in PC1 and BU, AU, CU, FD, LP, and FWPB have shown their variability in PC2. Conclusion We describe here, to the best of our knowledge, the systematic study of the mechanism involved in the regulation of enhancing fiber quality and yield by stem bending strength, acupuncture, and compression properties of Gossypium hirsutum crop.

scholarly journals Correlation Analysis of Stem Hardness Traits with Fiber and Yield Related Traits in Core Collections of Gossypium hirsutum

2020 ◽  
Author(s):  
Irum Raza ◽  
Dao-Wu Hu ◽  
Adeel Ahmad ◽  
Hongge Li ◽  
Shou-Pu He ◽  
...  
Keyword(s):  
Gossypium Hirsutum ◽  
Principal Components ◽  
Upland Cotton ◽  
Bending Strength ◽  
Fiber Strength ◽  
Fiber Quality ◽  
High Yield ◽  
Genotypic Difference ◽  
Phenotypic Traits ◽  
Compression Properties

Abstract Background Stem hardness is one of the major influencing factors for plant architecture in upland cotton (Gossypium hirsutum L.). Evaluating hardness phenotypic traits is very important for the selection elite lines for resistant to lodging in Gossypium hirsutum L. Cotton breeder are interested in using diverse genotypes to enhance fibre quality and high- yield. The research for hardness and its relation with fiber quality and yield were very few. This study was designed to find the relationship of stem hardness traits with fiber quality and yield contributing traits of upland cotton. Results Experiments were carried out to measure the bending, acupuncture and compression properties of stem from a collection of upland cotton genotypes, comprising 237 accessions. The results showed that the genotypic difference in stem hardness were highly significant among the genotypes, and the stem hardness traits (BL, BU, AL, AU, CL and CU) have a positive association with fiber quality traits and yield related traits. In descriptive statistics result bending (BL, BU) have maximum coefficient of variance and trait fiber length and fiber strength have less coefficient of variance among the genotypes. Principal component analysis (PCA) reduced quantitative characters into nine principal components. The first nine principal components (PC) with Eigen values >1 explained 0.86% of variation among 237 accessions of cotton crop. Both 2017& 2018, PCA results indicated that BL, BU, FL, FE and LI variables contributed their variability in PC1 and BU, AU, CU, FD, LP and FWPB have shown their variability in PC2. Conclusion We describe here, to the best of our knowledge, the systematic study of the mechanism involved in the regulation of enhancing fiber quality and yield by stem bending strength, acupuncture and compression properties of Gossypium hirsutum crop.

scholarly journals Correlation analysis of stem hardness traits with fiber and yield-related traits in core collections of Gossypium hirsutum

2021 ◽  
Vol 4 (1) ◽  
Author(s):  
Irum RAZA ◽  
Daowu HU ◽  
Adeel AHMAD ◽  
Hongge LI ◽  
Shoupu HE ◽  
...  
Keyword(s):  
Gossypium Hirsutum ◽  
Principal Components ◽  
Upland Cotton ◽  
Bending Strength ◽  
Fiber Strength ◽  
Fiber Quality ◽  
High Yield ◽  
Genotypic Difference ◽  
Phenotypic Traits ◽  
Compression Properties

Abstract Background Stem hardness is one of the major influencing factors for plant architecture in upland cotton (Gossypium hirsutum L.). Evaluating hardness phenotypic traits is very important for the selection of elite lines for resistance to lodging in Gossypium hirsutum L. Cotton breeders are interested in using diverse genotypes to enhance fiber quality and high-yield. Few pieces of research for hardness and its relationship with fiber quality and yield were found. This study was designed to find the relationship of stem hardness traits with fiber quality and yield contributing traits of upland cotton. Results Experiments were carried out to measure the bending, acupuncture, and compression properties of the stem from a collection of upland cotton genotypes, comprising 237 accessions. The results showed that the genotypic difference in stem hardness was highly significant among the genotypes, and the stem hardness traits (BL, BU, AL, AU, CL, and CU) have a positive association with fiber quality traits and yield-related traits. Statistical analyses of the results showed that in descriptive statistics result bending (BL, BU) has a maximum coefficient of variance, but fiber length and fiber strength have less coefficient of variance among the genotypes. Principal component analysis (PCA) trimmed quantitative characters into nine principal components. The first nine principal components (PC) with Eigenvalues > 1 explained 86% of the variation among 237 accessions of cotton. Both 2017 and 2018, PCA results indicated that BL, BU, FL, FE, and LI contributed to their variability in PC1, and BU, AU, CU, FD, LP, and FWPB have shown their variability in PC2. Conclusion We describe here the systematic study of the mechanism involved in the regulation of enhancing fiber quality and yield by stem bending strength, acupuncture, and compression properties of G. hirsutum.

scholarly journals Identifikasi Sumber Ketahanan Aksesi Plasma Nutfah Kedelai untuk Ulat Grayak Spodoptera litura F.

2016 ◽  
Vol 16 (1) ◽  
pp. 29 ◽  
Author(s):  
Suharsono Suharsono ◽  
M. Muchlish Adie
Keyword(s):  
Spodoptera Litura ◽  
Insect Pest ◽  
Larval Mortality ◽  
Crop Protection ◽  
Leaf Damage ◽  
Larval Feeding ◽  
Breeding Lines ◽  
Common Cutworm ◽  
The Common ◽  
Biological Aspects

<p>The important<br />aspect of development of resistant plant to insect pest is source<br />of resistance. Study the resistance of 14 advance soybean<br />breeding lines to common cutworm Spodoptera litura F. was<br />conducted at the Laboratory of Crop Protection, Indonesian<br />Legumes and Tuber Crops Research Institute (ILETRI)<br />Malang in February-September, 2006. Leaf damage and larval<br />development on resistant genotypes was recorded to measure<br />the level of resistance. It was found that the susceptibility of<br />soybeans to the common cutworm significantly varied among<br />the breeding lines. The leaf damage of IAC-100, IAC 80-596-<br />2, and W/80-2-4-20 from larval feeding were 17.67, 18.52, and<br />23.70% respectively lower than Wilis variety with 35.57% of<br />leaf damage. These breeding lines consistently possess same<br />level of resistance to S. litura. In addition, the resistant<br />breeding lines affect on biological aspects i.e. prolonged<br />duration of larval stage, reduced larval and pupae gain weight,<br />and cause significant larval mortality compared with Wilis<br />variety. The study suggested that IAC-100, IAC 80-596-2, and<br />W/80-2-4-20 could be used as a source of resistance for S.<br />litura in breeding program.</p>

Cotton (Gossypium hirsutum) Development and Yield Following Fluometuron Postemergence Applied

1989 ◽  
Vol 3 (3) ◽  
pp. 501-504 ◽  
Author(s):  
David S. Guthrie ◽  
Alan C. York
Keyword(s):  
Gossypium Hirsutum ◽  
Fiber Strength ◽  
Fiber Quality ◽  
Lint Yield ◽  
Production Yield ◽  
Boll Weight ◽  
Delayed Development ◽  
Over The Top

Fluometuron at 1.1 kg ai/ha was applied postemergence (over-the-top) to cotton in the V3 to V4 stage to determine effects on flower and boll production, yield, and fiber quality. Treated plants produced more bolls but boll weight was reduced. Lint yield was not affected. Flower and boll production during the first 2 weeks of flowering were reduced, but treated plants produced more flowers and bolls during mid- and late bloom. A delay in sympodia development delayed development of fruiting structures. Fluometuron treatment promoted sympodia development on monopodia at nodes three and four. Fiber micronaire was reduced in 1 of 2 yr. Fiber strength, length, and length uniformity were not affected.

Cotton (Gossypium Hirsutum) Response to DPX-PE350 Applied Postemergence

1993 ◽  
Vol 7 (1) ◽  
pp. 159-162 ◽  
Author(s):  
David L. Jordan ◽  
Robert E. Frans ◽  
Marilyn R. McClelland
Keyword(s):  
Adverse Effect ◽  
Gossypium Hirsutum ◽  
Fiber Length ◽  
Field Experiments ◽  
Fiber Strength ◽  
Fiber Quality ◽  
Growth Stages ◽  
Cotton Yield ◽  
Seed Cotton ◽  
Over The Top

Field experiments were conducted from 1989 through 1991 to determine the effect of DPX-PE350 applied postemergence over-the-top on cotton yield and fiber quality. DPX-PE350, at rates ranging from 50 to 280 g ae ha−1applied to cotton in the VC to R6 growth stages, had no adverse effect on seed cotton yield, micronaire, fiber length, fiber length uniformity, or fiber strength. Cotton injury was 10% or less in all experiments.

scholarly journals Resistance of Cucumber Cultivars to a New Strain of Cucurbit Downy Mildew

HortScience ◽  
2012 ◽  
Vol 47 (2) ◽  
pp. 171-178 ◽  
Author(s):  
Adam D. Call ◽  
Adam D. Criswell ◽  
Todd C. Wehner ◽  
Kaori Ando ◽  
Rebecca Grumet
Keyword(s):  
North Carolina ◽  
Downy Mildew ◽  
The United States ◽  
Leaf Damage ◽  
High Yield ◽  
Breeding Lines ◽  
Yield And Quality ◽  
Resistant Lines ◽  
High Level ◽  
Moderately Resistant

Downy mildew, a foliar disease caused by the oomycete Pseudoperonospora cubensis (Berk. and Curt.) Rostow, is one of the most destructive pathogens of cucurbits. From 1961 to 2003, resistant cucumber cultivars in the United States had sufficient resistance to grow a successful crop without the use of fungicides. The pathogen resurged as a major problem in 2004. Since then, the dm-1 gene has not been effective against the new strain of downy mildew, and yield losses are high without the use of fungicides. The objective of this experiment was to identify cultivars having high yield and resistance to the new downy mildew. The experiment had 86 cultivars and breeding lines (hereafter collectively referred to as cultigens) and was conducted in Clinton, NC, in 2007 and 2009, in Castle Hayne, NC, in 2008 and 2009, and in Bath, MI, in 2007 to 2009. Plots were rated weekly on a 0 to 9 scale (0 = none, 1–2 = trace, 3–4 = slight, 5–6 = moderate, 7–8 = severe, and 9 = dead). Mean ratings for downy mildew leaf damage ranged from 2.9 to 5.7 in Michigan in 2008 and 2009 and from 3.8 to 6.8 in North Carolina in 2007 to 2009. None of the cultigens tested in this study showed a high level of resistance, although differences in resistance were detected. Lines WI 2757 and M 21 and cultivar Picklet were consistently among the top resistant lines in North Carolina and Michigan. The cultivars Coolgreen, Wis. SMR 18, and Straight 8 were identified as moderately to highly susceptible. An unreleased hybrid, ‘Nun 5053 F1’, and the cultivar Cates were the top yielding lines overall. The highest yield in a single year and location was from the cultivar Cates in Clinton, NC, in 2009, with 25.6 Mg·ha−1. The best cultivars in this study were only moderately resistant and would likely require fungicide applications to achieve high yield and quality in the presence of downy mildew. Until high resistance becomes available, growers would benefit by using fungicides in combination with tolerant and moderately resistant cultigens.

Effects of cultural system (organic and conventional) on growth and fiber quality of two cotton (Gossypium hirsutum L.) varieties

2010 ◽  
Vol 25 (3) ◽  
pp. 228-235 ◽  
Author(s):  
Dimitrios Bilalis ◽  
Sotiria Patsiali ◽  
Anestis Karkanis ◽  
Aristidis Konstantas ◽  
Marios Makris ◽  
...  
Keyword(s):  
Gossypium Hirsutum ◽  
Field Experiments ◽  
Fiber Strength ◽  
Fiber Quality ◽  
Growth Yield ◽  
Good Growth ◽  
Conventional System ◽  
Cultural Systems ◽  
Fiber Fineness

AbstractOrganic cotton is a new industrial crop product. Field experiments were conducted to determine the effects of cultural systems and varieties on the growth, fiber quality and yield components of cotton crop (Gossypium hirsutum L.). The experiments, conducted during 2006 and 2007, were laid out in a split plot design with four replicates, two main plots (organic and conventional system) and two sub-plots (cotton varieties: Athena and Campo). There were no significant differences between the organic and conventional system for cotton growth, yield and fiber quality. The results suggest that the soil N released from both the inorganic (80:40:40 kg ha−1 N:P2O5:K2O) and organic pool (green manure) were sufficient to maintain good growth. Inferior-quality fiber was produced in the variety. Campo, which had the lowest fiber fineness (micronaire), strength, length and reflection. In addition, this variety had the highest fiber elongation and yellowness. There were no significant differences between varieties as far as uniformity and leaf trash ratio are concerned. A positive correlation was observed between fiber strength and length. However, a negative correlation was found between lint yield and fiber strength.

scholarly journals Exogenous application of bio-stimulant and growth retardant improved the productivity of cotton cultivars under different planting arrangement

2022 ◽  
Vol 82 ◽  
Author(s):  
M. Arif ◽  
N. Hussain ◽  
A. Yasmeen ◽  
S. Naz ◽  
A. Anwar ◽  
...  
Keyword(s):  
Fiber Strength ◽  
Fiber Quality ◽  
Foliar Spray ◽  
Research Area ◽  
Growth Retardant ◽  
Utilization Efficiency ◽  
Planting Density ◽  
High Yield ◽  
Row Spacing ◽  
Growth Promoter

Abstract Optimum planting arrangement is an important attribute for efficient utilization of available resources and to obtain high yield of cotton. Application of plant growth promoter and retardant on cotton in improved planting density are the innovative techniques in the establishment of more productive cotton crop. Therefore, we planned a field study to assess the role of bio-stimulant and growth retardant in the resource utilization efficiency of cotton cultivars planted under variable row spacing at Agronomic Research Area Bahauddin Zakariya University and Usmania Agricultural Farm Shujabad during Kharif 2012. Experimental treatments consisted of cotton genotypes viz. CIM-573 and CIM-598, cultivated under conventional (75 cm), medium (50 cm) and ultra-narrow row spacing (25 cm) with foliar spray of bio-stimulant (moringa leaf extract) and growth retardant (mepiquate chloride), either sole or in combination, keeping distilled water as a control. Exogenously applied MLE alone and MLE + MC significantly enhanced the number of squares, flowers and green bolls per plant leading to higher cotton seed and lint yield of CIM 598 cultivar cultivated under conventional row spacing. While application of MC alone and MLE + MC produced maximum micronaire value, fiber strength and fiber uniformity ratio of CIM 573 cultivar cultivated under conventional row spacing. The results suggested that application of MLE is a possible approach to enhance the cotton productivity and the use of MC to enhance the fiber quality attributes under conventional row spacing.

scholarly journals Genetic variability and association study of yield attributing traits in F2 populations of American cotton

2021 ◽  
Vol 6 (1) ◽  
pp. 21
Author(s):  
Ali Hassan ◽  
Muhammad Zubair Ishaq ◽  
Sana Munir ◽  
Munazza Abbas ◽  
Ahmad Naeem Shehzad ◽  
...  
Keyword(s):  
Genetic Variability ◽  
Plant Height ◽  
Fiber Strength ◽  
Fiber Quality ◽  
High Yield ◽  
Genetic Constitution ◽  
Genetic Advance ◽  
Crop Species ◽  
Fruiting Branch ◽  
F2 Progeny

Cotton is one of the most important fiber crops, grown all over the world. Genetic variability is a crucial factor from evolutionary point of view for crop species. It defines the adaptation of populations by allowing them to alter their genetic constitution in changing environment. Genetic variability in Gossypium hirsutum is declining due to selection pressure, hence causing low yield. Present study was conducted to evaluate ten parental genotypes with their F2 generations to uncover their genetic potential for yield by accessing genetic variability, heritability, genetic advance and association between fiber, yield and yield linked traits. High values of phenotypic and genotypic coefficient of variance were observed for node of first fruiting branch, monopodia per plant, boll weight, fiber strength and yield per plant. All morphological and fiber quality traits represented broad sense heritability ranging from 51% to 90%. High value of genetic advance was shown by plant height and yield per plant. Positive association of yield per plant was recorded for traits such as plant height, node of first fruiting branch, monopodia per plant, number of bolls per plant, seeds per boll, and ginning out turn. Additionally, F2 progeny of CIM-534×MNH-814 had high yield per plant along with maximum number of bolls per plant and seed per boll. So, such F2 progeny can further be explored to improve yield and yield contributing traits.

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