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A Review on Hereditary Qualities Assorted Variety of American Cotton

Agricultural Sciences 2018年第5期9卷 587-608页

作者： Umer Farooq Jawad Amin muhammad Qasim muhammad Ismail Umair Majeed muhammad ahtisham tahir Hasnain Haider Waqar Hussain muhammad Imran Department of Plant Breeding and Genetics Bahauddin Zakariya University Multan Pakistan Department of Agronomy Muhammad Nawaz Shareef University of Agriculture Multan Pakistan Department of Plant Breeding and Genetics University of Agriculture Faisalabad Pakistan Department of Agronomy University of Agriculture Faisalabad Pakistan

Cotton is an economically important natural fiber in the world, whose seeds are used as food and fiber used in the manufacturing of textiles. Cotton is naturally a renewable synthetic fiber which is derived from petroleum. Restriction in conventional breeding program to hereditary change may be because of those of information something like yield revenue and fiber quality of traits. Vitally, the genome representation of the cotton for various traits is the basic need for breeding purposes. The present review discusses the issues of conventional breeding and genomics resources & efforts are utilized to enhance the yield of cotton.

关键词： Cotton Genetic Diversity QTL MAS RFLP SSR SNP

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Evaluating the Optimum Transplanting Time for Different Coarse Rice Genotypes under Semi-Arid Conditions of Faisalabad

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Agricultural Sciences 2018年第1期9卷 69-77页

作者： muhammad ahtisham tahir muhammad Ahmad Arain Saba Durrani Abdul Shakoor Ahtsham Bilal Nasir Ali muhammad Ishfaq Umer Farooq Siraj Ahmed muhammad Irfan Department of Agronomy University of Agriculture Faisalabad Pakistan Department of Botany University of Agriculture Faisalabad Pakistan Department of Plant Breeding and Genetics University of Agriculture Faisalabad Pakistan Department of Plant Breeding and Genetics Bahauddin Zakariya University Multan Pakistan

Continuously changing climate and availability of different rice genotypes make it necessary to find optimum time of sowing as well as suitable variety for cultivation to get maximum productivity under a specific set of climatic conditions. A field study was carried out to search out the suitable rice transplanting time for four different coarse genotypes under the semi-arid environment of Faisalabad. The experiment was conducted at Agronomic Research Area, University of Agriculture, Faisalabad and was laid out in randomized complete block design (RCBD) with split plot arrangement keeping transplanting time in main plots while rice genotypes in subplots. Variability among treatments was measured by Fisher’s ANOVA (P ≤ 5%) and LSD test was applied to compare the differences among treatments’ means. The ANOVA indicated statistically significant differences among genotypes as well as transplanting dates irrespective of all studied traits while interactive effects of both were found to be non-significant. NIBGE-1 performed best with maximum paddy yield of 6.05 t/ha while KSK-434 performed poor with paddy yield of 2.78 t/ha. Increased paddy yield and yield related parameters of all rice genotypes were recorded where transplantation was done on 25th of June. Generally, paddy yield decreased with delaying the transplanting time. The results suggested that NIBGE-1 can perform better under the semi-arid conditions of Faisalabad and last week of June might be the optimum time for nursery transplantation. It can also be further elucidated that late transplanting causes yield reduction which could not be recommended among farmers.

关键词： Coarse Rice Genotypes Transplanting Time Paddy Yield Semi-Arid

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