Table of Content

12 May 1986, Volume 12 Issue 03

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ORIGINAL PAPERS

TRITICUM DURUM-HAYNALDIA VILLOSA AMPHIDIPLOID

Liu Dajun;Chen Peidu;Wu Peilian;Wang Yiaonan;Qiu Bexing;Wang Sulin

Acta Agron Sin. 1986, 12(03):  155-162. 

Abstract ( 1744 )   PDF (183KB) ( 899 )   Save

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The plants with normal fertility and characteristics of both parentssuch as the ear morphology of T.durum and clusterring bristles on glumeridges,hairiness of leaf edges and leaf sheath edges and the immunityto powdery mildew of H.villosa were obtained from self-pollinated oropen-pollinated prog

STUDY ON DIFFERENTIAL ABILITY OF CHINESE DIFFERENTIAL VARIETIES AND JAPANESE ONES

Shen Jinhua;Ling Zhongzhuan;Ni Pichong;Li Zhijian;Wang JiuLin

Acta Agron Sin. 1986, 12(03):  163-170. 

Abstract ( 1561 )   PDF (183KB) ( 753 )   Save

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27 isolates belonging to 4 Chinese races of blast fungus,which wereisolated from japonica varieties in North China,were divided into 11races by using 9 Japanese differential varieties with single resistancegene in 1982.42 isolates,classified into 7 Chinese races,were determ-ined by 12 Kiyosawa’s differential varieties in 1983.The result indicatedthat 19 Japanese races were included in 42 isolates.It can be concludedthat kiyosawa’s differential varieties and Japanese ones have higher abi-lity differentiating...

DYNAMIC CHANGES OF NUCLEIC ACIDS DURING RICE DEVELOPMENT IN RELATION TO ORGANOGENESIS

Zhang Jinyu;Tang Risheng;Yu Jimei;Wu Guangnan

Acta Agron Sin. 1986, 12(03):  171-176. 

Abstract ( 1570 )   PDF (345KB) ( 789 )   Save

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During the course of rice development,the total amounts of nucleicacids,proteins and dry matter per plant increased since germination,and reached their peaks at different stages respectively and then decre-ased a little at maturity.Among them,total amount of nucleic acidsreached its peak first at the panicle initiation stage and proteins anddry matter reached their peaks later at heading.Large proportion of nucleic acids was distributed in the most vigo-rous growing organ of rice plant as growing center of ...

THE RELATIONSHIP BETWEEN THE ATP CONTENT IN ANTHERS OF MAIZE AND SORGHUM AND CYTOPLASMIC MALE-STERILITY

Wang Xiuzhen;Teng Xiaoyue;Yen Lungfei;Zhou Rengang

Acta Agron Sin. 1986, 12(03):  177-182. 

Abstract ( 1651 )   PDF (115KB) ( 822 )   Save

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The ATP contents in anthers of male-sterile lines and maintainerlines of maize and sorghum were determined by means of luminous photo-meter,and the relationship between the male sterile lines and maintainerlines were compared.The results are as follows:(1)The ATP cont-ents in anthers of the maintainer lines are higher.than those of themale-sterile lines.Particularly in sorghum,the ATP content of themaintainer line is seven times higher than that of the male-sterile line.(2)Pollens with a higher content of A...

PRELIMINARY OBSERVATIONS ON THE MORPHOLOGY OF PHOTOSYNTHETIC CELLS OF BARLEY LEAF SHEATH AT DIFFERENT POSITIONS ON THE MAIN STEM

Zheng Peiyao;Li Xiaoyun

Acta Agron Sin. 1986, 12(03):  183-186. 

Abstract ( 1725 )   PDF (1259KB) ( 769 )   Save

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The photosynthetic cell structure of leaf sheaths at different positi-ons on the main stem in barley plants was observed.There are various types of photosynthetic cells in the leaf sheathsof barley plants.According to their shapes,these cells may be dividedinto two types:one is termed as regular cells,including simple cellsand complex cells with 2-5 linked protuberances;another is called ir-regular cells containing simple and complex cells with 2-6 irregularlylobed protuberances.The leaf sheath of barley sh...

STUDIES ON SOME DEVELOPMENTAL CHARACTERISTICS DURING THE LATE GROWTH STAGE OF EARLY MATURING WHEAT CULTIVARS 1.EFFECT OF LOW TEMPERATURE ON POIIEN DEVEIOPMENT

Qian Cunming;Zhou Chaofei;Xia Suisheng;Ma Zhaozhi

Acta Agron Sin. 1986, 12(03):  187-194. 

Abstract ( 1642 )   PDF (434KB) ( 891 )   Save

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Experiments were carried out in growth chamber to study the effectof low temperature(9℃ and 11℃)on pollen development,from tetradto flowering,of early maturing wheat cultivars.Fifteen cultivars of various oringin were choosen.Those cultivarsrepresented an array of genotypes showing differences in physiologicalmaturity and haveing different responses to vernalization and photoperi-od.The difference in pollen development rate among wheat cultivars und-er low temperature was prominent.At temperature of 9℃,the ...

THE ANALYSIS OF UPLAND COTTONSEED QUALITIES

Chen Zhongfang;hang Zhiwei;Cheng Hongliang

Acta Agron Sin. 1986, 12(03):  195-200. 

Abstract ( 1562 )   PDF (339KB) ( 779 )   Save

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The seed qualities of sixty-one upland cotton cultivars were meas-ured in this study.There was a high significant negative correlationbetween contents of rough(total)protein and fat(r=-0.8921,p<0.01).The average content of rough fat and the linoleio acid obtainedfrom this investigation were 34.77% and 54.83% respectively,the posi-tive correlation between them was presented,but not significant.Theaverage content of rough protein and the lysine reported here was40.308%,2.3687% respectively,the positive relati...

THE SINGLE KERNEL EVALUATION TECHNIQUES FOR THE HIGH-LYSINE CORN(Ⅱ)……COOMASSIE BRILLIANT BIUE STAINING METHOD

Wang Yudong

Acta Agron Sin. 1986, 12(03):  201-204. 

Abstract ( 1493 )   PDF (589KB) ( 820 )   Save

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The single kernel evaluation techniques for the high-lysine cornshould be both accurate and simple in order to determine the kernels inlarge quantity.Based on the fact that the Coomassie Brilliant Blue canbe bound to the protein quantitatively,the zein extraction solutionsfrom every kernel are applied to a filter paper,then stained with Coom-assie Brilliant Blue G 250 solution.After destaining the spots of diffe-rent color concentration appears on the filter paper.The dark spots arethe lower lysine kernels,...

MEGASPOROGENESIS AND MCROSPOROGENESIS AND THE DEVELOPMENT OF THEIR FEMALE AND MALE GAMETOPHYTE IN SUGAR BEET

Shen Jiaheng;Li Huirong;Yin Hua

Acta Agron Sin. 1986, 12(03):  205-212. 

Abstract ( 1696 )   PDF (3234KB) ( 815 )   Save

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This paper describes megasporogenesis and microsporogenesis,andthe development of their female and male gametophyte in sugar beet(Beta vulgaris L.),the main conclusions are as follows:1.During the meiosis of microspore mother cell,the cytokinesis issimultaneous.The tetrad is tetrahedral.2.When the uninuclear microspore divides into a vegetative cell anda generative cell,the spindle of the metaphase is asymmetric,and theformation of the vegetative nucleus is earlier than that of the generativenucleus.At the ...

REPORT

A PRELIMINARY STUDY OF RESOLUTION BANDED CHROMOSOMES IN BARLEY

Zhu Fengsui; Fu Junhua; Li Liancheng

Acta Agron Sin. 1986, 12(03):  213-214. 

Abstract ( 1434 )   PDF (184KB) ( 682 )   Save

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RELATIONSHIP OF MONOSACCHARIDE CONSTITUENT AND FIBER CHARACTERISTIC IN FOUR PHLOEM FIBER PLANTS

Wei Yu-ning; Li Yao-dong

Acta Agron Sin. 1986, 12(03):  215-216. 

Abstract ( 1511 )   PDF (118KB) ( 715 )   Save

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ORIGINAL PAPERS

ESTABLISHMENT AND ADJUSTMENT OF HIGH YIELDING COMMUNITY FOR HYBRID RICE GAN-HUA NO.2

Yen Zhende;Hu Chengtai

Acta Agron Sin. 1986, 12(03):  1945-154. 

Abstract ( 1611 )   PDF (1083KB) ( 862 )   Save

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Gan-hua no.2 is a Indica hybrid combination emasculated by chem-ical.The aspects of yield vigor were closely related to larger photosyn-thetic area,longer growth period and leaf area duration.Data foryears showed that heterosis in yield were mainly due to the increase intotal number of spikelets,ripened grains number per unit area andnumber of spikelets per panicle.It was found that the vigor of yield was also closely related to se-eding and transplanting time.Earlier seeding and transplanting showedhighest...