Papaya Biology, Cultivation, Production and Uses
Diseases 121 Infection on these petioles is important since they may act as a source of inoculum for infection of fruit. The tru ...
122 Papaya region of the stem is susceptible to infection during rainy periods and causes stem canker like appearance. The infec ...
Diseases 123 to prevent damping off of seedlings. Pick up, remove and destroy fallen fruits, espe- cially those with diseased sy ...
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125 11 Physiological Disorders Some environmental and nutritional stresses cause several physiological disorders, namely, bumpy, ...
126 Papaya 11.1.2 Management Among micronutrients, boron is the most important in papaya crop, affecting directly the quality an ...
Physiological Disorders 127 sprays (0.1%) is more effective than soil application. The basal application of borax at 5.0 g/plant ...
128 Papaya process of feminisation of stamen (Hama et al. 2004; Drea et al. 2007). Such type consists of bisexual flower types w ...
Physiological Disorders 129 with the water deficit. The hermaphrodite varieties when exposed to very low and high temperature, h ...
130 Papaya Average deformed seeds/fruit (+++) was significantly higher rated in February harvest as compared to fruits harvested ...
Physiological Disorders 131 11.5.1 Management If temperatures at night are going very low, a temporary structure should be erect ...
132 Papaya 11.6 Chilling and Heat Injury Chilling injury symptoms include pitting, blotchy colouration, uneven ripening, skin sc ...
133 12 Unfruitfulness Hardly a day goes by without farmers calling to ask why their papaya trees are not bearing/fruiting, or ar ...
134 Papaya forms or sex reversal is possible. These variations of the hermaphrodite flower, classified as floral abnormalities, ...
Unfruitfulness 135 occur on the day of anthesis (Dhaliwal and Gill 1991). A hermaphrodite flower’s pollen may be released before ...
136 Papaya 12.2.4 Nutrition Papaya is a heavy-feeder fruit crop. If sufficient amount of balanced fertiliser is applied to the p ...
Unfruitfulness 137 2007). Honeybees, thrips, hawk moths and apparently also mosquitoes and midges have been reported as pollinat ...
138 Papaya like, lentil, gram, greengram and blackgram should be preferred, because they add nitrogen into the soil and suppress ...
Unfruitfulness 139 general the fruit takes about 5 months to develop. Soil application of paclobutrazol, a growth retardant, at ...
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