نتایج جستجو برای: leaf numbers

تعداد نتایج: 280627  

Journal: :علوم باغبانی ایران 0
محمد مهدی ضرابی علیرضا طلایی حسین لسانی

in this regard, the morphophysiologic and anatomic characteristics of six olive cultivars (nabali, feshomi, arbequin, zard, gordal and roghani) were investigated under drought. experiments were designed based on factorial and complete block random plot with two control treatments, -1.5 mpa stress and three replicates. the investigated factors were as follows: leaf area, specific leaf area, leaf...

محسن زاده گلفزانی, محمد ,

    In order to investigat e of Tobacco germplasm genetic diversity, 49 genotypes were grown in Tobacco Research Institute (Rasht, IRAN) as a simple lattice design 7×7 with 2 replications and 12 treatments were evaluated as well. Correlation analysis to studied traits showed that Fresh leaf yield with leaf number, leaf length, leaf width, leaf area index, plant height, flowering period and days...

2014
Xiao-Hua Dai Jia-Sheng Xu Lu-Rong Cai

The effects of a forest road on Castanopsis carlesii (Hemsley) Hayata (Fagales: Fagaceae) seedlings and their leaf herbivory were investigated in a subtropical forest at Jiulianshan National Nature Reserve, Jiangxi, China. A total of 1124 seedlings, 33949 leaves, 468 leaf mines, and 205 leaf galls were found. Generally, individual numbers, tree heights, and leaf numbers of C. carlesii seedlings...

2015
Bed Prakash Amit Yerpude

This proposed system has used the K-means clustering technique for the segmentation purpose and the Back Propagation Neural Network (BPNN) technique for the classification of the mango leaf disease. This system has been tested with the different numbers of test data set collected from different regions. The system is tested for different numbers of clusters to get the optimal number of cluster ...

عزت‌اله فرشادفر, , محسن فرشادفر, ,

Agropyron is one of the most resistant plants to biotic and abiotic stresses. It plays an important role in forage yield in rangelands. Genetic variability based on different markers is the important step in crop improvement. In order to evaluate the genetic variation of different Agropyron species based on morphological and chemical traits, this experiment was carried out in the Agriculture an...

2001
CHANG-CHI CHU THOMAS P. FREEMAN JAMES S. BUCKNER THOMAS J. HENNEBERRY DENNIS R. NELSON ERIC T. NATWICK

The relationships between leaf trichomedensities, leaf age, and sweetpotatowhiteßy, Bemisia tabaci (Gennadius) biotype B, infestations of 13 upland cotton, Gossypium hirsutum L., cultivars were investigated in 1990 and 2000. Stoneville 474 supported higher numbers of B. tabaci biotype B eggs, nymphs and adults, and also had higher numbers of stellate trichomes on abaxial leaf surfaces compared ...

2017
Suhaila Ab Hamid Che Salmah Md Rawi

Leaf litter decomposition in a tropical stream was examined in two types of leaf packs; single species leaf packs of Pometia pinnata and two species leaf packs of equal combination of Pometia pinnata and Dolichandrone spathacea leaves. Both leaf packs were immersed in a river and weekly examined for remains of decomposed leaves and presence of EPT. In the control leaf packs, leaves in the two s...

ژورنال: علوم آب و خاک 2004
عزت‌اله فرشادفر, , محسن فرشادفر, ,

Agropyron is one of the most resistant plants to biotic and abiotic stresses. It plays an important role in forage yield in rangelands. Genetic variability based on different markers is the important step in crop improvement. In order to evaluate the genetic variation of different Agropyron species based on morphological and chemical traits, this experiment was carried out in the Agriculture an...

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