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01000naa a22002652 4500 |
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NLM187262993 |
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DE-627 |
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20231223175712.0 |
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tu |
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231223s1977 xx ||||| 00| ||eng c |
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|a pubmed24n0624.xml
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|a (DE-627)NLM187262993
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|a (NLM)19305610
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Potter, J W
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Analysis of crop losses in tomato due to Pratylenchus penetrans
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| 264 |
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1 |
|c 1977
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 30.06.2010
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| 500 |
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|a Date Revised 20.10.2021
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| 500 |
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|a published: Print
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| 500 |
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a The effects of Pratylenchus penetrans upon yields of 'Veebrite' tomato were studied at initial soil population densities (P(i)) of 360, 2,010, 4,580, and 14,360 nematodes/kg of soil in 20-cm (i.d.) clay-tile microplots. The lowest P(i) appeared to stimulate fruit production. Higher P(i)'s suppressed fruit production (total weight of marketable tomatoes and numbers of intermediate- and large-sized fruits), in comparison to control yields, the highest P(i) resulted in 38% fewer fruits which weighed 44% less. These losses were at least partly due to a delay in fruit ripening, caused by the nematodes, which did not become apparent until the fourth week. Nematode populations in the soil increased at all but the highest P(i); final populations were around 7,000/kg of soil. Nematode populations in roots ranged from 230-590/gm of root at the completion of the experiment. Nematode control by fumigation would definitely be warranted at soil population densities of 2,000/kg or higher; with 500-2,000/kg, the decision to fumigate would depend on soil type and economic and hiological factors
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| 650 |
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|a Journal Article
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| 650 |
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4 |
|a Lycopersicon esculentum
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| 650 |
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4 |
|a populations
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| 650 |
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4 |
|a root-lesion nematodes
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| 700 |
1 |
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|a Olthof, T H
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Journal of nematology
|d 1969
|g 9(1977), 4 vom: 01. Okt., Seite 290-5
|w (DE-627)NLM098196421
|x 0022-300X
|7 nnns
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| 773 |
1 |
8 |
|g volume:9
|g year:1977
|g number:4
|g day:01
|g month:10
|g pages:290-5
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| 912 |
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|a GBV_USEFLAG_A
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| 912 |
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|a SYSFLAG_A
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| 912 |
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|a GBV_NLM
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| 912 |
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|a GBV_ILN_350
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| 951 |
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|a AR
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| 952 |
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|d 9
|j 1977
|e 4
|b 01
|c 10
|h 290-5
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