نتایج جستجو برای: boll weight

تعداد نتایج: 350080  

Amir Hassan Omidi Arash Roozbahani Mahdi Aghaalikhani,

In order to study the effect of bio-fertilizers  in decrease the effects of water stress on yield, yield components and oil percentage of Goldasht spring safflower cultivars (Carthamus tinctorius L.), an experiment on split plot in a randomized complete block design with three replications was carried out  in 2012 at the Agricultural Research Station of Islamic Azad University of Roude...

2016
Botao Li Yuzhen Shi Juwu Gong Junwen Li Aiying Liu Haihong Shang Wankui Gong Tingting Chen Qun Ge Chaoyang Jia Yake Lei Yushu Hu Youlu Yuan

We hybridized 10 chromosome segment substitution lines (CSSLs) each from two CSSL populations and produced 50 F1 hybrids according to North Carolina Design II. We analyzed the genetic effects and heterosis of yield and yield components in the F1 hybrids and parents in four environments via the additive-dominance genetic model. Yield and yield components of the CSSLs were controlled by combined ...

2010
A. SEFER MUSTAFAYEV FATIH KILLI

This study was carried out during 2002-2005 in the east Mediterranean region of Turkey (in Kahramanmaras province), at the experimental field of Agricultural Faculty of Kahramanmaras Sutcu Imam University. Four naturally coloured cotton lines (light brown, dark brown, cream and green) (G. hirsutum L.) brought from Azerbaijan National Academy, Genetic Resources Institute and white linted cotton ...

Journal: :Journal of economic entomology 2004
Thomas W Sappington Alan D Brashears Megha N Parajulee Stanley C Carroll Mark D Arnold John W Norman Allen E Knutson

There is concern that cotton gins located in boll weevil, Anthonomus grandis grandis Boheman, eradication zones serving customers in adjacent infested zones may serve as a site for boll weevil reintroductions if weevils are transported alive inside cotton modules. We surveyed fields in three distinct areas of Texas and found that weevils can be present in large numbers in cotton fields that hav...

Journal: :Bioscience, biotechnology, and biochemistry 2004
Osmundo Brilhante De Oliveira Neto João Aguiar Nogueira Batista Daniel John Rigden Octávio Luiz Franco Rodrigo Rocha Fragoso Ana Carolina Santos Monteiro Rose Gomes Monnerat Maria Fátima Grossi-De-Sa

The cotton boll weevil (Anthonomus grandis) causes severe cotton crop losses in North and South America. This report describes the presence of cysteine proteinase activity in the cotton boll weevil. Cysteine proteinase inhibitors from different sources were assayed against total A. grandis proteinases but, unexpectedly, no inhibitor tested was particularly effective. In order to screen for acti...

Journal: :Journal of economic entomology 2008
Kyung Seok Kim Thomas W Sappington Charles T Allen

Thirty-seven boll weevils, Anthonomus grandis grandis Boheman (Coleoptera: Curculionidae), were captured in pheromone traps near Lubbock, TX, in the Southern High Plains/Caprock eradication zone during August-October 2006. No boll weevils had been captured in this zone or neighboring zones to the north earlier in the year, and only very low numbers had been captured in neighboring zones to the ...

    Indigenous diploid cotton is cultivated in many areas of country due to the saline soil and water. To study adaptability and seedcotton yield stability of three promising native cotton lines selected from interspecific hybrids of G. herbaceum & G. arboreum including three lines along with two diploid controls were planted in a randomized complete block design in four locations (Kashmar, Nis...

2011
Muhammad Saeed Wangzhen Guo Ihsan Ullah Yusuf Zafar Tianzhen Zhang

Increasing scarcity of irrigation water is a major threat to sustainable production of cotton (Gossypium hirsutum L.). Identifying genomic regions contributing to abiotic stress tolerance will help develop cotton cultivars suitable for water-limited regions through molecular marker-assisted breeding. A molecular mapping F2 population was derived from an intraspecific cross of the drought sensit...

Journal: :International Journal of Enviornment and Climate Change 2023

The present experiment was conducted in two environments viz. irrigated and rainfed, with three replications randomized block design at Research Area of Cotton Section, Department Genetics & Plant Breeding, Chaudhary Charan Singh Haryana Agricultural University, Hisar (Haryana) during Kharif 2021-22. Fifty elite desi cotton (Gossypium arboreum L.) genotypes were grown as experimental materi...

Journal: :پژوهش آب در کشاورزی 0
محسن دهقانی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان. مجید جعفرآقایی عضو هیئت علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان اصفهان. سید حسن طباطبایی دانشیار گروه مهندسی آب دانشگاه شهرکرد.

due to limited water resources, applying efficient water use in agriculture is very important. this experiment was carried out in kabootarabad agricultural research station for two years using split plots in a randomized complete block design with four replications. six irrigation treatments based on evaporation from class a pan were applied as the main factor at three cotton growing stages, na...

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