Evaluation Of Some Scab Resistant Apple Hybrids As  Early Season Genotypes

K D Farooqui; G  Hussain; M A Mir

doi:10.48165/

Authors

K D Farooqui Division of Fruit Science, S.K. University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir - 190 025 (India)
G Hussain Division of Fruit Science, S.K. University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir - 190 025 (India)
M A Mir Division of Fruit Science, S.K. University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar, Jammu & Kashmir - 190 025 (India)

DOI:

https://doi.org/10.48165/

Keywords:

Apple hybrids, flower phenology, fruit characteristics, scab resistant

Abstract

Five scab-resistant hybrids [ASPE-99 (Sunhari x Prima), ASPE-36 (Lal Ambri x Prima), ALPE-99 (Sunhari x Prima), ASPE-22 (Sunhari x Prima) and ALPE-57 (Lal Ambri x Prima)] developed by SKUAST Kashmir, were evaluated for phenological, pomological and storage characteristics in 2009 and 2010. The days taken to full bloom ranged between 80.5 to 86.5 in hybrids and 76.5 to 83.0 in check cultivars. ASPE-36 and ASPE-99 matured earlier (82 days for fruit development) while ALPE-57, ASPE-22 and ALPE-99 matured 6.0-16.5 days later. Fruit shape in hybrids was oblate and slight to moderately lopsided with smooth surface. Fruits were crisp, juicy, moderately flavoured and red coloured with yellowish background and creamy flesh. Fruit firmness was maximum in ALPE-57 followed by ALPE-99 and ASPE-36. Hybrids significantly varied in fruit size and weight with high values in ALPE 99, ALPE-57 and ASPE-22. Hybrids had higher TSS and total sugars and were less acidic than checks. Total sugar was maximum and titrable acidity minimum in ASPE-22. The storage life of hybrids was higher than control with maximum storage life of 156-172 days under CA storage, 73-88 days under refrigeration and 34-45 days under normal storage conditions. Hybrids ASPE-99, ASPE-22 and ALPE-57 were identified as prospective genotypes for release as improved early season scab-resistant cultivars.

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