EFFECT OF FUNGICIDES ON THE PERFORMANCE OF YOUNG McINTOSH AND CORTLAND APPLE TREES

Ross, R. G.; Crowe, A. D.; Webster, D. H.

doi:10.4141/cjps70-100

Cited by 3 publications

(2 citation statements)

References 4 publications

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“…Organic fungicides have also been shown to influence Pn in fruit crops. Ross et al (61) found that young 'McIntosh' apple trees sprayed with zineb had the highest yields, followed in descending order by trees sprayed with captan, dodine, dichlone, ferbam,glyodin and bordeaux. In a 4-year test on mature 'McIntosh' trees Ross and Longley (62) found an increase in yield over the previous 5-year average of 40, 31, 18 and 7%, respectively, for trees sprayed with captan, dodine, mercury, and a combination of captan and dichlone.…”

Section: Pesticidesmentioning

confidence: 99%

Cultural Factors Influencing Net Photosynthesis of Apple Trees1

Ferree¹

1978

horts

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The impact of environmental factors on the photosynthetic potential of tree fruits is largely uncontrollable, but one can affect photo synthetic efficiency through the manipulation of various cultural practices. Application of pesticides and other chemicals; tree size and shape; mineral nutrition; and pest damage are all important factors and should be carefully considered in maximizing net photosynthesis (Pn) and ultimate tree performance.

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Section: Pesticidesmentioning

confidence: 99%

Cultural Factors Influencing Net Photosynthesis of Apple Trees1

Ferree¹

1978

horts

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“…Flotation-sulfur reduced leaf chlorophyll content, fruit size, and caused poor fruit color of apples (12). Bordeaux mixture suppressed shoot growth and temporarily depressed Pn (1,14).…”

mentioning

confidence: 99%

Net Photosynthesis and Dark Respiration of Apple Leaves as Affected by Pesticides1

Ayers

Barden

1975

J. Amer. Soc. Hort. Sci.

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Of 33 chemicals tested, 21 had no effect on net photosynthesis (Pn) or dark respiration (Rd) of apple (Malus pumila Mill.). Of the 12 having an effect, most reduced Pn, 2 increased Pn, and 1 increased Rd. Oil and emulsifiable concentrate formulations generally reduced Pn, while Plictran and formetanate hydrochloride increased Pn. In 1 test qxythioquinox increased Rd whereas other materials had little or no effect in any test. There was no difference in response by cultivar or to environment, but the method of treatment introduced wide variation in the effects of certain chemicals.

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Effects of pesticides on plant nutrition

Hance

1981

Residue Reviews

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EFFECT OF FUNGICIDES ON THE PERFORMANCE OF YOUNG McINTOSH AND CORTLAND APPLE TREES

Cited by 3 publications

References 4 publications

Cultural Factors Influencing Net Photosynthesis of Apple Trees1

Cultural Factors Influencing Net Photosynthesis of Apple Trees1

Net Photosynthesis and Dark Respiration of Apple Leaves as Affected by Pesticides1

Effects of pesticides on plant nutrition

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