Papaya Biology, Cultivation, Production and Uses

264 Index

Pollen, 250
as allergen, 175
anther, 243
fertility potential of, 17
for foundation seed, 137
from hermaphrodite sterile flower, 23
in male flowers, 151
male sterile, 247
pollen parent, 250
pollinators, 18
precocious separation of chromosome, 29
production, 244
quality factor, 16
seedless fruits, 133
seed production, 89–90
staminate, 252
Viability of, 136
Pollination, 250
Pollinators, 18, 250; see also Floral morphology
Polycarpic, 250
fruit crop, 151
Polygalacturonase (PG), 157
Polygamous, 250
Polyhouse, 189, 193; see also Protected
cultivation
disease management in, 195
leaf burning, 191
management strategy, 196–197
nitrogenous fertiliser requirement, 192
nursery raising under, 196
Polyploidy, 39–40, 250; see also Breeding
Post-harvest management, 155; see also Fruit;
Fruit processing
climacteric rise, 156
degree of maturity, 156
factors in shelf-life, 155
fruit softening, 157
respiration rates, 156
water loss, 157
Potassium meta-bi-sulphate (KMS), 145
Powdery mildew, 117–118; see also Diseases
PPFD, see Photosynthetic photon flux density
(PPFD)
PRA, see Participatory rural
appraisal (PRA)
Precocity, 11, 108, 250
Producer, 163, 250
Promotive Therapy (PT), 187; see also
Medicinal uses
Propagation, 67; see also Planting;
Seed sowing
air layering, 67
budding, 67–68
conventional, 69
multiple shoot induction, 70
softwood cuttings, 67
tissue culture, 68–69

Protected cultivation, 189; see also Irrigation;

Polyhouse

advantages, 189

Cercospora leaf spot, 193

components, 192

future prospects, 197–198

irrigation, 193

meristems, 191

multipurpose nets, 193

nutrient management, 192

prosperity, 197

scenario, 189

scope, 190

Protogynous, 250

PRSV, see Papaya ringspot virus (PRSV)

P T, see Promotive Therapy (PT)

Pure seed, 250

R

Randomly Amplified Polymorphic DNA

(RAPD), 24, 213, 255

RAPD, see Randomly Amplified Polymorphic

DNA (R APD)

Recessive gene, 250

Recurrent selection, 35–36; see also Breeding

Relative humidity, 251

R ipen ing, 251

Roguing, 59; see also Cultural practices

Rooting hormone, 251

Rot, 119; see also Diseases

S

Sauce, 161–162; see also Fruit processing

SCA, see Specific combining ability (SCA)

Scale insects, 102–103; see also Pest

SCAR, see Sequence characterised amplified

region (SCAR)

Scion, 251

Scorch, 251

Second filial generation, 245

Seed, 251

foundation, 245

pure, 250

Seed certification, 95; see also Seed production

clone certification standards, 95

field standards, 95

seed standards, 96

tag, 96

Seedling, 251

sex identification of, 24–25

Seed production, 89; see also Seed certification

constraints in, 92

deformed seeds, 94

dioecious varieties, 89

gynodioecious varieties, 89