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Growth and yield attributes of some wheat cultivars in relation to missing an irrigation at different stages of growth in newly cultivated sandy soil [electronic resource].

By:

AHmed, M. A

Contributor(s):

Badr, Nadia. M

Language: English Summary language: Arabic Description: p.1487-1502Other title:

علاقة نمو ومحصول بعض أصناف القمح باسقاط رية خلال فترات مختلفة من النمو في الاراضي الرملية حديثة الاستزراع [Added title page title]

Uniform titles:

Annals of agricultural science, Moshtohor, 2004 v.42 (4) [electronic resource].

Subject(s):

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In: Annals of Agricultural Science, Moshtohor 2005.v.42(4)Summary: Two Field trials were conducted during 1999/2000 and 2000/200 1 seasons in newly cultivated lands of sandy soil conditions at the New Salheyia Region. Sharkia Governorate to study growth and yield of some wheat cu1tivars in relation to the imposed water stress imposed at different growth stages. The investigation aimed to study the response of five wheat cu1tivars (Giza-IS8. Sakha - 69. Sakha - 93, Giza-163 and Giza- 164) to water stress induced by skipping an irrigation (either at tillering. heading and I or milk-ripe stage). Results showed that growth characters of plant height. number and dry weight of tillers. number of blades and spikes/plant, flag leaf area, blades area/plant and LA! at 115 and 125 days from sowing were significantly decreased However, the decrease in (specific leaf weight) SLW was not significant. Moreover. yield and its components, of spikes dry weight/plant, grain, straw and biological yield per plant and per fed., RPPgr. RPPbio., RPPveg, were significantly decreased. Meanwhile. protein percentage per grain was significantly increased by missing an irrigation. Furthermore, wheat plants appeared to be more sensitive to water stress during tillering stage followed by heading stage followed by milk-ripe stage, respectively.It is worth tl18t wheat cultivars, Giza-j 5~. Giza-163, Giza-1M, Sakha'{;9 and Sakha-93 wece significantly differed iE gwwth characters at 115 and 1~5 days after Sil"ing except specific leaf weight at 125 days and yield and its component except harvest index. In addition, Sakha-93 cu1tivar characterized by its greatest significant values of its growtIl characters. yield and its components followed by Giza-163 and Giza-1M whereas Giza -158 and Sakha -69 characterized by its inferiority in growth parameters and yield and ils components compared with Sakha -93, Giza-163 and Giza-l64 cultivars. Data of the interaction between wheat cultivars and water stress at certain developmental stages of growth indicated that Sakha-93, Giza-163 and Giza-l64 seemed to be more suitable to drought conditions and to cultivation ill newly cultivated sandy lands at New Salheyia Region, Sharlda Governorate as compared with the other studied cu1tivars.

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Two Field trials were conducted during 1999/2000 and 2000/200 1 seasons in newly cultivated lands of sandy soil conditions at the New Salheyia Region. Sharkia Governorate to study growth and yield of some wheat cu1tivars in relation to the imposed water stress imposed at different growth stages. The investigation aimed to study the response of five wheat cu1tivars (Giza-IS8. Sakha - 69. Sakha - 93, Giza-163 and Giza- 164) to water stress induced by skipping an irrigation (either at tillering. heading and I or milk-ripe stage). Results showed that growth characters of plant height. number and dry weight of tillers. number of blades and spikes/plant, flag leaf area, blades area/plant and LA! at 115 and 125 days from sowing were significantly decreased However, the decrease in (specific leaf weight) SLW was not significant. Moreover. yield and its components, of spikes dry weight/plant, grain, straw and biological yield per plant and per fed., RPPgr. RPPbio., RPPveg, were significantly decreased. Meanwhile. protein percentage per grain was significantly increased by missing an irrigation. Furthermore, wheat plants appeared to be more sensitive to water stress during tillering stage followed by heading stage followed by milk-ripe stage, respectively.It is worth tl18t wheat cultivars, Giza-j 5~. Giza-163, Giza-1M, Sakha'{;9 and Sakha-93 wece significantly differed iE gwwth characters at 115 and 1~5 days after Sil"ing except specific leaf weight at 125 days and yield and its component except harvest index. In addition, Sakha-93 cu1tivar characterized by its greatest significant values of its growtIl characters. yield and its components followed by Giza-163 and Giza-1M whereas Giza -158 and Sakha -69 characterized by its inferiority in growth parameters and yield and ils components compared with Sakha -93, Giza-163 and Giza-l64 cultivars. Data of the interaction between wheat cultivars and water stress at certain developmental stages of growth indicated that Sakha-93, Giza-163 and Giza-l64 seemed to be more suitable to drought conditions and to cultivation ill newly cultivated sandy lands at New Salheyia Region, Sharlda Governorate as compared with the other studied cu1tivars.

Summary in Arabic.

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