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Articles 31 - 38 of 38
Full-Text Articles in Food Science
Preserving Figs, Carolyn Washburn, Charlotte P. Brennand
Preserving Figs, Carolyn Washburn, Charlotte P. Brennand
All Current Publications
This publication provides facts about figs including selection and preparation; freezing; canning; jams jelly, preserves; drying; pickling; storage; and nutritional information.
Onion Thrips (Thrips Tabaci), Dan Drost, Diane Alston
Onion Thrips (Thrips Tabaci), Dan Drost, Diane Alston
All Current Publications
This publication includes a description and tips for management of onion thrips in Utah.
Use Of Annual And Perennial Triticeae Species For Wheat Improvement, A. Mujeeb-Kazi
Use Of Annual And Perennial Triticeae Species For Wheat Improvement, A. Mujeeb-Kazi
Herbarium Publications
Constraints due to global biotic and abiotic stress continue to exist in wheat germ plasm. Novel genetic diversity resides in several annual/perennial Triticeae species that can be introgressed into wheat through intergeneric hybridization, of which Thinopyrum curvifolium is the principle source as it addresses the emphasis here for achieving wheat derivatives resistant to Helminthosporium leaf blight (Cochliobolus sativus). Some additional sources like Th. elongatum (2n=2x= 14) and Secale cereale are also mentioned. The interspecific hybridization strategy offers alien genetic introgression opportunities, for which the closely related Triticum species have a priority. Of these sources, the D genome T. tauschii (Aegilops …
Plant Germplasm Resources, S. A. Eberhart, H. E. Bockelman
Plant Germplasm Resources, S. A. Eberhart, H. E. Bockelman
Herbarium Publications
Landraces and wild relatives of crops from centers of diversity have been rich sources of resistance to new pathogens, insect pests, and other stresses as well as for traits to improve food and fiber quality, animal feed, and industrial products. Because very few crops grown in the U.S. are native, plant introductions are vital to our agriculture. The National Plant Germplasm System (NPGS) was established to acquire, preserve, and distribute plant genetic resources from around the world so that scientists have immediate access to these source materials. The active collection is maintained and distributed by 19 national germplasm repositories. The …
The Evaluation On Crossabilities Of Chinese Wheat Landraces, M. C. Luo, C. Yen, J. L. Yang, Z. L. Yang
The Evaluation On Crossabilities Of Chinese Wheat Landraces, M. C. Luo, C. Yen, J. L. Yang, Z. L. Yang
Herbarium Publications
The total of 865 accessions of Chinese bread wheat landraces (Triticum aestivum L.) has been investigated on their crossabilities with rye (Secale cereale L.), of which 121 land races showed similar crossability to Chinese Spring, 50 accessions had much higher crossability than Chinese Spring, and 693 varieties were non-crossable with rye or had lower crossability than Chinese Spring. The analysis on the geographical distribution indicated that the landraces with high crossability occurred in most parts of China. Some utilization of high crossability resources was also discussed.
Attempts To Produce Alien Addition Lines In Triticum Durum, Domenico Pignone
Attempts To Produce Alien Addition Lines In Triticum Durum, Domenico Pignone
Herbarium Publications
Aneuploid stocks in durum wheat are few, and alien additions are particularly rare. The present contribution describes the results of a program aimed at the addition of alien chromosomes to tetraploid wheat. Aegilops caudata, Ae. longissima and Dasypyrum villosum were used as chromosome donors. The crossing program involved the production of amphidiploids with the wheat cytoplasm and the recurrent crossing with durum wheat pollen. IS monosomic addition (2n= 29) plants were obtained and partly selfed and/or backcrossed to wheat. Two disomic addition (2n = 30) plants, possessing two different Ae. caudata chromosomes, were obtained; unfortunately they were very weak and …
Evaluation And Utilization Of Biodiversity In Triticeae For Wheat Lmprovement, A. B. Damania, J. Valkoun
Evaluation And Utilization Of Biodiversity In Triticeae For Wheat Lmprovement, A. B. Damania, J. Valkoun
Herbarium Publications
To adapt new varieties to a wide spectrum of environments breeders and farmers have emphasized the need for broadening the current narrow genetic base of modern varieties of important cereal crops such as wheat and barley. In response to this need, several thousand samples of indigenously cultivated Triticeae species and their wild relatives have been collected from the centers of diversity. However, gene bank collections are of little use if they are not evaluated and the information disseminated widely. Evaluation is essentially the link between conservation and use. Some of the collected material has been evaluated at the International Center …
Factors Determining Fruit Set And Seed Development In Artificially Pollinated Tomatoes, Charles Howard Henry
Factors Determining Fruit Set And Seed Development In Artificially Pollinated Tomatoes, Charles Howard Henry
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Commercial plantings of tomato hybrids will give increases in earliness and yield because of hybrid vigor, but seed costs become a limiting factor. The necessity of hand-pollination makes the production of first generation hybrid tomato seed a costly enterprise. Failures of fruit set and seed development in artificially pollinated tomatoes are two contributing causes for the increased cost of F1 seed.
The purpose of this investigation is to study some basic factors influencing these failures and to find ways of increasing fruit set and number of seeds per fruit.
The scope in addition to the field studies described includes …