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黄开健

作品数:72 被引量:297H指数:11
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72 条 记 录,以下是 1-10
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玉米若干数量性状遗传相关和通径分析被引量:1
2008年
采用NCⅡ设计以10个热、温带玉米种质群体组配25个杂交组合进行主要数量性状与产量遗传相关和通径分析,以探寻各性状在玉米产量构成中的相对重要性。遗传相关分析发现,各性状与产量遗传相关性依次为:穗长>百粒重>行粒数>穗行数>出粒率>生育期>穗粗>株高>穗位高;通径分析表明对产量直接贡献依次为:穗长>百粒重>行粒数>穗行数>株高>穗位高>出子率>穗粗>生育期。研究结果认为高产育种要高度重视长穗型,注重百粒重和行粒数选择,兼顾协调各性状之间关系。
谭华郑德波陈国品黄爱花吴永升黄开健
关键词:玉米通径分析
桂单6205(玉米)
谭华邹成林郑德波蒋维萍韦慧黄爱花黄开健韦新兴莫润秀翟瑞宁
一、课题来源与背景:玉米是广西仅次于水稻的第二大粮食作物。广西玉米生产区域的气候、土壤和环境条件复杂且恶劣,形成了众多的农业生态特征,常年需要推广多个玉米杂交种才能满足各地玉米生产的需要。为适应广西玉米品种更新换代,满足...
关键词:
关键词:玉米品种选育栽培技术
一种半自动化玉米防雨晾晒架
邹成林谭华熊发前莫润秀黄爱花翟瑞宁黄开健韦新兴杨萌黄艳芬
一、课题来源与背景:在农业种植中,玉米是一种较为常见的农作物,在对玉米进行收割后,要对玉米进行晾晒操作,以便于后续对玉米的加工或储藏。传统的玉米晾晒架不方便对晾晒的玉米回收,不能及时更换别的玉米进行晾晒。除此之外,在下雨...
关键词:
关键词:伺服电机
桂甜糯623
莫润秀黄开健黄爱花韦新兴翟瑞宁邹成林谭华杨萌韦慧
一、课题来源与背景:甜糯玉米是鲜食玉米的一种类型,糯中带甜好、果皮薄、口感独特、营养丰富、种植效益显著,使得糯玉米的需求量不断增加,种植区域逐年扩张,加工生产规模迅速扩大。从发展新型农业,提高农民收入来看,适度发展甜糯玉...
关键词:
关键词:玉米杂交选育栽培技术
桂单6209(玉米)
邹成林谭华郑德波蒋维萍韦慧黄爱花韦新兴翟瑞宁黄开健
一、课题来源与背景:玉米是广西仅次于水稻的第二大粮食作物。广西玉米生产区域的气候、土壤和环境条件复杂且恶劣,形成了众多的农业生态特征,常年需要推广多个玉米杂交种才能满足各地玉米生产的需要。为适应广西玉米品种更新换代,满足...
关键词:
关键词:玉米品种选育
Effects of Drought Stress and Re-watering on Growth and Yield of Different Maize Varieties at Tasseling Stage被引量:3
2017年
[Objective] The aim was to explore the response of different maize vari- eties in Guangxi to drought stress and re-watering at tasseling stage, so as to pro- vide reference for study on drought resistance mechanism, breeding of drought-re- sistant varieties and selection of maize varieties for fall sowing. [Method] At the tasseling stage, total five degrees of drought stress (4, 8, 12, 16 and 20 d) and corresponding re-watering after drought stress were simulated by a tub planting ex- periment in greenhouse for five different maize varieties (Guidan 0810, Dika 008, Zhengda 619, Chenyu 969, Guidan 901). Normal watering was set as the control. Sampling was carried out on Day 1 after drought stress and on Day 15 after re- watering, and the secondary root number, maximum root length, green leaf number, root dry weight and shoot dry weight were measured. At the harvest time, the ear yield per plant was measured. With yield as the basis, the drought resistance coef- ficient and drought resistance index were calculated. Cluster analysis was conducted for drought resistance coefficient. [Result] The shoot dry weight, root dry weight, secondary root number, maximum root length and green leaf number of maize in the treatment groups decreased compared with those in the control group. The ratio of each index between the treatment and control groups declined with the extension of drought stress. After re-watering, the re-growth amount of each index all de- creased as the stress time prolonged. Post-re-watering over compensation effect oc- curred in none of the indices except the maximum root length, after 4 days of drought stress. Under drought stress, the reductions of all the indices of Guidan 0810, Dika 008 and Zhengda 619 were smaller than those of Chenyu 969 and Guidan 901. After re-watering, the re-growth abilities of Guidan 0810, Dika 008 and Zhengda 619 were stronger than those of Chenyu 969 and Guidan 901. The drought resistance coefficients and drought resistance indexes of Guidan 0810, Dika 008 and Zhengda
何静丹文仁来田树云苏月贵何雪银苏义成程伟东黄开健张述宽
关键词:MAIZE
一种模拟干旱胁迫鉴定玉米萌芽抗旱性的装置
邹成林翟瑞宁谭华黄爱花韦新兴莫润秀黄开健黄艳芬
一、课题来源与背景:玉米不仅是重要的粮食和饲料作物,也是重要的食品工业原料和能源植物。进入21世纪以来,中国玉米种植面积从2.3?10hm迅速攀升至3.6?10hm,超过水稻、小麦位居“谷物之王”,然而,干旱胁迫作为自然...
关键词:
关键词:玉米饲料作物
黑色甜加糯型玉米新品种桂黑甜糯621
2024年
桂黑甜糯621于2021年通过了广西农作物品种审定委员会审定。该品种适应性强,目前已在广西、海南、广东等地大面积推广种植,可引种到安徽、江苏、上海、浙江、江西、福建、广东、海南等类似生态区栽培。1.特征特性。在广西地区栽培,该品种从出苗至鲜果穗采收春季平均需86天、秋季平均需68天。
杨棣惠刘敬东黄开健黄爱花莫润秀
关键词:鲜果穗玉米新品种生态区出苗
一种玉米试验种植田间划线设备
本实用新型涉及田间划线技术领域,公开了一种玉米试验种植田间划线设备,包括支撑板,所述支撑板一侧固定连接有第一滑轨,所述支撑板一侧设置有限位组件,所述第一滑轨外壁滑动连接有第一滑块,所述第一滑块在第一滑轨外壁对称设置,所述...
翟瑞宁邹成林黄爱花莫润秀黄开健韦新兴杨萌钦洁
Effect of Fertilizing Level and Planting Densities on Yield and Nitrogen Utilization in Maize被引量:1
2015年
Elite maize hybrid Guidan0810 was selected as material, and the effects of fertilizing level and planting densities on yield and nitrogen utilization were dis- cussed in the study. In field experiments as per double-cropping system, 4 main plots (fertilization levels) and 6 subplots (planting densities) were set in a split plot design. The results suggested that yield had close relationship with fertilization levels and planting densities. Different fertilization levels and planting densities significantly affected yield. With the increase of nitrogen fertilization, nitrogen use efficiency, nitrogen agronomic efficiency and nitrogen physiological efficiency declined. Under the same fertilization level, nitrogen use efficiency, nitrogen agronomic efficiency and nitrogen physiological efficiency grew a little with the increase of planting density, so nitrogen efficiency could be improved by regulating planting density. The results also showed that A2 (including N 225.0 kg/hm2, P205 75.0 kg/hm^2, K20 187.5 kg/hm^2) matching to B3 (52 500 plants/hm^2) or B4(60 000 plants/hm^2) was a better design, which could obtain a higher yield in the range of 7 913.2-8 207.8 kg/hm2, respectively.
谭华邹成林郑德波黄爱花莫润秀韦新兴吴永升蒋维萍韦慧黄开健
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