搜索结果: 1-15 共查到“农学 heterosis”相关记录20条 . 查询时间(0.734 秒)
Combining ability analysis and heterosis in a diallel cross of okra (Abelmoschus esculentus L. Moench)
Okra cultivars genetic components diallel cross, additive non additive
2011/1/12
The genetic basis of yield and its components were studied using a 9 × 9 diallel cross techniques according to Griffing’s Method 2, Model 1 in 2007. The 36 F1’s and the 9 parents were evaluated in 2 ...
HETEROSIS AND INBREEDING DEPRESSION FOR QUALITY TRAITS IN DIVERSE COTTON GENOTYPES
Gossypium hirsutum genotypes hybrid vigour
2010/9/26
Magnitude of heterosis in F2 and inbreeding depression for different quality traits of five cotton (Gossypium hirsutum) cultivars (TH-3/83, NIAB-78, CIM-109,Mc-Nair-3150 and Reshmi) in F3 generation w...
HETEROSIS STUDIES IN WHEAT CROSSES (Research Note)
Triticum aestivum crossbreeding hybrid vigour agronomic characters Pakistan
2009/9/30
A study was undertaken to estimate the heterotic and heterobeltiotic effects in wheat
during the year 2002-03 at Wheat Research Institute, AARI, Faisalabad, Pakistan to
identify combinations express...
Heterosis in Japonica/Indica F1 Rice Hybrids with Special Reference to Nodal Root Function
Dry matter partitioning Heterosis Japonica/indica F1 hybrid Nitrogen uptake
2009/8/6
Although root system of japonica/indica F1 hybrids of rice (Oryza sativa L.) must play an important role for expression of heterosis, few studies have been conducted. This study was carried out to eva...
Heterosis for Root System Development in Japonica/Indica F1 Rice Hybrid
Heterosis Japonica/indica F1 hybrid Lateral root Nodal root Rice Specific root length Total root length
2009/8/4
Vigorous growth of F1 hybrid of rice (Oryza sativa L.) may be partially attributed to the development and function of the root system, but only a few studies have been conducted in this aspect. This s...
Effect of Breed, Heterosis and Sex on Body Weight, and Glutathione Peroxidase Activities in Red Blood Cell Haemolysate and Blood Plasma at the Age of Sexual Maturity in Chickens
body weight breed glutathione peroxidase heteroxidase sex
2009/7/30
The purpose of the present study was to collect information about the possible genetic background of glutathione peroxidase (GSHPx) activity in four pure breeds and their crosses of chickens, and its ...
Sterility of Thermo-Sensitive Genic Male Sterile Line,Heterosis for Grain Yield and Related Characters in F1 Hybrid Rice (Oryza sativa L.)
Dry matter F1 hybrid Grain yield Heterosis Sterility
2009/7/28
The thermo-sensitive genic male sterile (TGMS) T29s line was sterile when exposed to daily mean temperatures of 24.1°C or above during the critical stage (from 15 to 11 days before heading). It was co...
Quality improvement of bacterial wilt resistant / tolerant tomato accessions was attempted by crossing with selected processing varieties. The Fl hybrids which showed the highest per se performance ...
Heterosis for yield components and fruit characters in tomato
Fruit characters heterobeltiosis relative heterosis yield components
2009/2/20
Heterosis for yield components and fruit characters was studied using line x tester analysis between bacterial wilt resistant / tolerant accessions and processing varieties. Heterotic hybrids were i...
Heterosis for yield and yield components in rice（Oryza sativa L.）
Heterosis yield yield components rice（Oryza sativa L.）
2009/2/20
Eight genetically diverse high yielding rice cultivars selected from clusters formulated through Mahalanobis D2 statistics were crossed in a diallel fashion. The parents and crosses were evaluated...
Heterosis in Indian mustard（Brassica juncea L. Czern & Cosson）
relative heterosis heterobeltiosis
2009/2/20
An investigation involving 45 genotypes (nine parents and their diallels, excluding reciprocals) to identify the high heterotic crosses in Brassica juncea L. was undertaken during the winter seaso...
Heterosis studies in ash gourd [Benincasa hispida（Thunb）Cogn.] for yield and related traits
Diallel crossing Hybrid vigour Earliness Wax gourd
2009/2/19
Ten elite inbred lines of ash gourd (Benincasa hispida) were selected based on their performance and were crossed in a diallel mating system (without reciprocal crosses) to generate 45 F1 hybrids. T...
Evaluation of Yield and Yield Components in Inbred Maize Lines I. Heterosis and Line x Tester Analysis of Combining Ability
Maize Zea mays L. line x tester analysis combining ability heterosis
2009/1/14
In maize, three male testers and six female lines together with their 18 F1 hybrids were evaluated to study the general and specific combining ability estimates and heterosis following line x tester ...
Heterosis and Combining Ability for Yield Components and Fiber Quality Parameters in a Half Diallel Cotton（G. hirsutum L.）Population
Cotton diallel analyses heterosis general and specific combining ability
2009/1/13
Combining ability and heterosis were determined in a population obtained from the half diallel crossing of 6 different cotton genotypes for yield components and fiber quality parameters. For breeding...
Photosynthetic Characteristics and Heterosis in Transgenic Hybrid Rice with Maize Phosphoenolpyruvate Carboxylase (pepc) Gene
hybrid rice phosphoenolpyruvate carboxylase gene photosynthetic characteristic
2009/1/7
Three F1 hybrids derived from the sterile rice lines Gang 46A, 776A and 2480A and the improved restorer line Shuhui 881 containing maize phosphoenolpyruvate carboxylase (pepc) gene were used to analyz...