نتایج جستجو برای: seed potato

تعداد نتایج: 97333  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده فنی 1392

روانگرایی در ماسه های ریزدانه اشباع در هنگام زلزله، موجب خرابی سازه های زیادی در نقاط مختلف دنیا بوده است. از عوامل موثر در این پدیده می توان به تراکم خاک، دانه بندی خاک، عمق لایه مورد نظر و تنش های موثر همه جانبه، شدت و مدت زمان زمین لرزه و درصد عبوری از الک شماره 200 (مقدار ریزدانه و جنس آن) اشاره نمود. عالباً در روشهای رایج ارزیابی وقوع روانگرایی از خصوصیات درجای خاک، همانند نتایج آزمایش های ...

Current research examines the economic, social, cultural, policy, educational and promotional factors in using sustainable agriculture operations. Research is an applied type and its method is correlation. The statistical population consisted of 102 members of Iran Potato Cultivars. Data were collected using a census method and a questionnaire was used. The Cronbach's alpha coefficient was obta...

Journal: :پژوهش های علوم دامی ایران 0
سعدون محمدیان داریوش علیپور مهدی محمودی ابیانه

introduction using agricultural-industrial waste is one way to overcome the shortage of animal feed. potato is one of the most important products in the world after rice, wheat and maize. potato pulp is a by-product which remains after extraction of starch, and can be used as animal feed. because of the high moisture content of the potato pulp, silage is the best way to maintain it. however, it...

2005
Joseph J. Coombs David S. Douches Susannah G. Cooper Walter L. Pett

Colorado potato beetle (Leptinotarsa decemlineata Say) is the leading insect pest of potato (Solanum tuberosum L.) in northern latitudes. Host plant resistance is an important tool in an integrated pest management program for controlling insect pests. Field studies were conducted to compare natural host plant resistance mechanisms (glandular trichomes and Solanum chacoense Bitter-derived resist...

Journal: :یافته های تحقیقاتی در گیاهان زراعی و باغی 0
حسن حسن آبادی مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج احمد موسی پور گرجی داود حسن پناه رحیم احمدوند خسرو پرویزی محمد کاظمی رامین حاجیان فر

the cultivar khavaran has come out of the national potato breeding program started in 2001 and continued for ten years in the seed and plant improvement institute karaj, iran. the breeding methodology has initiated by selection among germplasm consisting an open pollination of the clone 397097-13. the khavaran release included single plant selection, visual assessment, preliminary observation n...

2013
Andja Vučetić Tanja Vukov Ivana Jovičić Olivera Petrović-Obradović

Aphid flight activities in seed potato fields have been studied by the yellow water traps. It is a good method for monitoring aphids as vectors of viruses, but this study also showed it is a suitable method for insect-diversity research. During the four-year studies, over 11.500 specimens were collected and a total of 107 different taxa of aphids were identified. The most abundant species were ...

Journal: :Plant physiology 1990
L J Mikitzel N R Knowles

Studies were conducted to characterize the effect of advanced potato (Solanum tuberosum L.) seed-tuber age on plant growth potential and whole-plant morphology. Plant growth from single-eye seedcores from 5- to 18-month old ;Russet Burbank' seedtubers was compared. Loss in apical dominance was apparent with advanced age. On a per-core basis, the amount of plant dry weight was equal for the two ...

Journal: :EDIS 2022

This new 6-page publication of the UF/IFAS Horticultural Sciences Department focuses on adjustment potato seed piece spacing table-stock cultivars for Florida production. The aim is to provide management strategies that minimize costs, increase yield, and reach marked demand specific tuber size distribution, all which are important factors industry. Written by Mario H. M. L. Andrade, Luis G. Pe...

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