作者: 戲服 時間: 2025-3-21 21:18
https://doi.org/10.1007/978-3-322-89492-2uctive system from autogamy to exogamy. Prerequisites to such a programme include sufficient yield heterosis, genetic emasculation and effective pollen shedders. Investigations on the occurrence of heterosis in rapeseed-mustard are encouraging, with reports of yield heterosis up to 150%. Hybrid adva作者: 解脫 時間: 2025-3-22 04:24 作者: 燈絲 時間: 2025-3-22 07:26 作者: 善變 時間: 2025-3-22 11:46 作者: 最低點(diǎn) 時間: 2025-3-22 14:29
https://doi.org/10.1007/978-3-322-89492-2 endosperm disintegration, abnormal development of ovular tissue or chromosome and genetic instability. Hybrid inviability may result from the action of specific genes or due to disharmony between the nucleus of one species and the cytoplasm of another, or adverse embryo-endosperm interaction. Recen作者: 膽汁 時間: 2025-3-22 19:42
Oscar Tamburrini,Francesco Dalla Palmaation have helped the synthesis not only of the naturally occurring forms but also of new alloploid combinations of members from the secondary and tertiary gene pool, which was so far not possible. This has provided a spectrum of new genetic variation for exploitation in crop improvement (see Prakas作者: 拔出 時間: 2025-3-23 00:15 作者: Demulcent 時間: 2025-3-23 02:57
Organisation industrieller Dienstleistungen, isoenzymes (Arus and Orton 1983; Quiros et al. 1987); results from most isoenzyme research are reported as zymograms. Each of the above-mentioned applications of isoenzyme research to the breeding of oilseed . species will be covered in detail in this chapter.作者: euphoria 時間: 2025-3-23 07:01
Kuldeep S. Labana (Ex-Head),Surinder S. Banga,Shas作者: 聲明 時間: 2025-3-23 10:26 作者: 仔細(xì)檢查 時間: 2025-3-23 15:12
Heterosis and Its Utilization,uctive system from autogamy to exogamy. Prerequisites to such a programme include sufficient yield heterosis, genetic emasculation and effective pollen shedders. Investigations on the occurrence of heterosis in rapeseed-mustard are encouraging, with reports of yield heterosis up to 150%. Hybrid adva作者: 異常 時間: 2025-3-23 18:42
Physiological Constraints and Their Genetic Manipulation,d have centred on planting designs which reduce micro-environmental variation in the breeding block (Gardner 1961; Fasoulas 1973) or the use of alternative selection criteria (Bhatt 1988). The results of selection experiments involving special planting designs have been inconsistent, although some i作者: Culpable 時間: 2025-3-23 23:53 作者: insolence 時間: 2025-3-24 04:03
Oil and Meal Quality,ping low glucosinolates and zero erucic acid varieties. Quality-wise the improved rapeseed oil is now equivalent to peanut and olive oil. From the nutritional, cooking and stability points of view, possibilities exist for further alterations in the fatty acid composition in favour of increased level作者: padding 時間: 2025-3-24 06:41 作者: 鉆孔 時間: 2025-3-24 14:06 作者: organic-matrix 時間: 2025-3-24 15:54 作者: 有抱負(fù)者 時間: 2025-3-24 20:29
Status of Isoenzyme Research, isoenzymes (Arus and Orton 1983; Quiros et al. 1987); results from most isoenzyme research are reported as zymograms. Each of the above-mentioned applications of isoenzyme research to the breeding of oilseed . species will be covered in detail in this chapter.作者: 挑剔小責(zé) 時間: 2025-3-25 01:25 作者: 造反,叛亂 時間: 2025-3-25 05:03 作者: instill 時間: 2025-3-25 08:47
Heterosis and Its Utilization,of . Lately, it has become apparent that the new techniques of plant breeding are imperative to sustain the generation of new high-yielding varieties. The need arises from the fact that the traditional methods of breeding do not mobilize a sufficient amount of genetic diversity. The success of hybri作者: Recess 時間: 2025-3-25 13:41 作者: 諷刺滑稽戲劇 時間: 2025-3-25 18:15 作者: 不適 時間: 2025-3-25 22:00
Oil and Meal Quality,as considered inferior in quality to most other vegetable oils as it contained very high amounts of undesirable long chain fatty acids like eicosenoic acid (about 10%) and erucic acid (about 50%). The utilization of seed meal as a protein supplement was also limited due to the presence of glucosinol作者: 赦免 時間: 2025-3-26 00:07
Embryo Rescue Techniques for Wide Hybridization,t if the existing genetic variability in the breeding material is limited, as is the case in oleiferous .. Wide hybridization can be used to transfer the desirable variability. Usually, it is difficult to produce such hybrids due to cross-incompatibility barriers. These may result from either failur作者: 小丑 時間: 2025-3-26 07:29
Genome Manipulations,ly falls into two categories: (1) doubling of the genome, i.e. autopolyploidy, and (2) combining two or more different sets, i.e. allopolyploidy. The artificial synthesis of alloploid brassicas has fascinated cytogeneticists, breeders and, of late, tissue culturists, their motive being the introduct作者: 輕率看法 時間: 2025-3-26 11:36 作者: 繼而發(fā)生 時間: 2025-3-26 14:50 作者: 觀察 時間: 2025-3-26 20:47 作者: 無表情 時間: 2025-3-26 22:16
Disease Resistance, vary, depending upon the type and nature of pathogen association, time and severity of the attack, resistance level of the cultivars grown and prevailing environmental conditions. These diseases limit oilseed brassica production over a wide geographical area all over the world. Even in normal years作者: Enthralling 時間: 2025-3-27 05:11 作者: forbid 時間: 2025-3-27 06:38 作者: Nebulizer 時間: 2025-3-27 12:13
https://doi.org/10.1007/978-3-322-89492-2lion metric tonnes (Anonymous 1991). This provides about 12% of the world’s edible vegetable oil supplies. These crops have wide adaptation and are grown under varied agroclimatic conditions. Both winter and spring forms of rape . and turnip rape . are cultivated in Europe, while spring-grown cultiv作者: Colonoscopy 時間: 2025-3-27 16:56 作者: expository 時間: 2025-3-27 17:57
https://doi.org/10.1007/978-3-322-89492-2of . Lately, it has become apparent that the new techniques of plant breeding are imperative to sustain the generation of new high-yielding varieties. The need arises from the fact that the traditional methods of breeding do not mobilize a sufficient amount of genetic diversity. The success of hybri作者: acquisition 時間: 2025-3-28 00:11 作者: 打折 時間: 2025-3-28 03:02 作者: 亞當(dāng)心理陰影 時間: 2025-3-28 08:32
https://doi.org/10.1007/978-3-322-89492-2as considered inferior in quality to most other vegetable oils as it contained very high amounts of undesirable long chain fatty acids like eicosenoic acid (about 10%) and erucic acid (about 50%). The utilization of seed meal as a protein supplement was also limited due to the presence of glucosinol作者: 離開 時間: 2025-3-28 11:09 作者: Offbeat 時間: 2025-3-28 17:58 作者: bizarre 時間: 2025-3-28 21:12 作者: otic-capsule 時間: 2025-3-29 01:16 作者: depreciate 時間: 2025-3-29 05:23
Organisation industrieller Dienstleistungen,y of . species (Vaughan and Waite 1967a, b, 1968; Vaughan and Denford 1968); subsequently, however, the use of isoenzymes as genetic markers for cultivar identification, purity analysis (Chen and Tong 1985; Thorpe et al. 1987; Duke 1988) and for identification of hybrids received greater attention (作者: 有特色 時間: 2025-3-29 09:16 作者: Coeval 時間: 2025-3-29 12:14 作者: jungle 時間: 2025-3-29 17:22 作者: abysmal 時間: 2025-3-29 23:43
Breeding Oilseed Brassicas978-3-662-06166-4Series ISSN 0341-5376 作者: 盡管 時間: 2025-3-30 00:31 作者: oracle 時間: 2025-3-30 07:29 作者: blackout 時間: 2025-3-30 08:25 作者: monologue 時間: 2025-3-30 12:39 作者: instulate 時間: 2025-3-30 18:00 作者: 內(nèi)行 時間: 2025-3-30 23:07 作者: 不斷的變動 時間: 2025-3-31 01:00
Manipulation of Cytoplasmic Genomes,ybrids are referred to as cybrids. The ability to substitute specific chloroplast populations or plastomes independent of the mitochondrial genome (chondriome) or vice versa is, with a few exceptions, a technique exclusive to the protoplast fusion. This is in comparison to the backcross substitution, where only whole cytoplasm can be transferred.作者: 聽覺 時間: 2025-3-31 06:00
Freezing Injury, Resistance and Responses,ensitive. Recent research suggests that the injury occurs during freezing at the moment of passing through a critical temperature and, significantly, the primary site of injury is the plasma membrane (Rajashekar et al. 1979). Frost tolerance is an important factor in successful cultivation of . crops in many countries, especially in India.
